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ORA BANDA MINING LTD Capital/Financing Update 2024

Feb 14, 2024

65475_rns_2024-02-14_3fb05562-1957-44ec-83af-0dafa2c49e6a.pdf

Capital/Financing Update

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==> picture [166 x 88] intentionally omitted <==

ASX ANNOUNCEMENT

15 February 2024

RIVERINA UPDATE – RAMP UP ON SCHEDULE

Highlights

  • Riverina Underground operation is progressing on schedule with all capital projects now complete and first stoping ore scheduled in March

  • Development is ramping up as additional levels are accessed, with 575m in January representing a 97% increase from the July-December average of 292m (see Figure 2)

  • First batch sample of Riverina development ore through the processing plant returned 16,727t @ 2.74g/t and 93.9% recovery resulting in 1,383oz produced. This reconciliation was 4% above the mine call grade, and approximately 16% higher than the designed block model grade. When stoping commences, the grade is forecast to be double the development grade due to the stoping width of 2.2m compared to 4.5m in development

  • Underground diamond drilling continues with 7,379m of in-fill and extension drilling completed since last operational update (28 November 2023) and the following significant intersections highlighting the consistency and high-grade nature of the ore lodes:

  • 3.0m @ 20.1 g/t (Inc. 2.0m @ 29.8 g/t)

  • 2.4m @ 21.7 g/t

  • 1.2m @ 36.6 g/t

  • 0.8m @ 49.5 g/t

  • 1.0m @ 33.5 g/t (Inc. 0.3m @ 98.6 g/t)

  • 1.3m @ 23.9 g/t

  • 10.0m @ 3.2 g/t

  • 4.9m @ 6.5 g/t (Inc. 2.3m @ 13.0 g/t)

  • 13.0m @ 2.4 g/t (Inc. 5.0m @ 4.5 g/t) 

     - 2.0m @ 14.8 g/t    (Inc. 1.2m @ 23.7 g/t)

 - 1.3m @ 19.7 g/t     (Inc. 0.7m @ 35.5 g/t)

 - 1.0m @ 24.7 g/t

 - 1.3m @ 19.4 g/t     (Inc. 0.7m @ 36.5 g/t)

 - 1.1m @ 21.0 g/t

 - 10.5m @ 2.2 g/t

 - 4.8m @ 4.5 g/t     (Inc. 4.3m @ 4.9 g/t)

 - 2.0m @ 10.6 g/t     (Inc. 1.7m @ 12.2 g/t)

 - 4.5m @ 4.5 g/t

  • 1.7m @ 17.3 g/t

  • Commercial production scheduled to be achieved in the June quarter with key metrics of:

    • ~650m per month development (including capital and operating)

    • ~30kt per month stoping ore

    • ~50kt per month of total ore at a reserve grade of 4.3g/t (~6.9koz mined)

  • Achieving expected commercial production at Riverina in the June quarter will mark a significant inflection point for the company as it pivots from lower grade open pit ore to the high-grade underground ore as the primary mill feed, underpinning an increase in production and lower unit costs

Ora Banda Mining Limited (ASX: OBM) (“ Ora Banda ”, “ Company ”) is pleased to provide an update on the Riverina underground mining operations that remains the centrepiece of the Company’s DRIVE to 100 Project , targeting production of over 100,000 ounces in FY25.

A: Level 2, 1 Hood Street Subiaco, WA, 6008 T: + 61 8 6365 4548 E: [email protected] ASX: OBM ABN: 69 100 038 266

1

Ora Banda Mining Limited’s Managing Director, Luke Creagh, said:

“The team at Riverina, both Ora Banda and Byrnecut, have been doing an outstanding job to progress the ramp up of Riverina. We now have all capital projects complete with ore development continuing and first stopes expected to be mined in March.

“The diamond drilling from the underground rig continues to define and extend the mineralisation at Riverina and further supports our view that this is very early days in unlocking a big mineralised and high grade system.

“We remain on schedule to achieve commercial production in the June quarter, and this will mark a significant inflection point for the Company as it pivots away from a low grade, open pit operation to a high-grade underground operation as the primary mill feed resulting in increased production at lower costs.”

==> picture [451 x 227] intentionally omitted <==

Figure 1 – Overview showing location of Riverina compared to Davyhurst processing hub

2

Riverina Underground

On track to deliver first stoping ore in March Quarter

The overall development rates within the mine have increased, with January achieving a record advance rate of 575 metres. The completion of primary ventilation, dewatering and power infrastructure projects combined with the increase in headings available to the jumbos, sets the mine up well for continued increase in development metres towards the steady state target of 650m per month. Importantly, the delivery of first stoping ore remains on track for March, and steady state production is expected to be achieved in the June quarter.

==> picture [389 x 297] intentionally omitted <==

----- Start of picture text -----

Development metres advanced per month
700
600 Development metres increasing as 575
more headings become available,
500 with January representing an
increase of 97% from Jul-Dec
average of 292m per month
400
300
200
100
-
Jul-23 Aug-23 Sep-23 Oct-23 Nov-23 Dec-23 Jan-24
Dev m per month Jul-Dec average
Development metres
----- End of picture text -----

Figure 2 - Showing the increase in development metres as additional headings are accessed

Geology and reconciliation data

Continued ore development on the 2295 level (the first level of the mine) has exposed strong and consistent gold mineralisation both in terms of gold grades and ore geometry. The subvertical ore bearing structures remain linear, displaying good strike continuity with minimal geometric disruption or displacement seen from secondary structures. The host rock is basalt, and the ground conditions are considered good. The mine geology team continues to strengthen and enhance the mineralisation model through detailed mapping of all underground exposures combined with the generous amount of underground diamond drilling completed to date. This bodes well for the successful execution of the narrow vein open stoping planned to commence in March.

3

The first ore from Riverina development was processed as a single batch through the Davyhurst processing plant to ensure accurate reconciliation. This sample returned 16,727t @ 2.74g/t and 93.9% recovery resulting in 1,383oz produced. This reconciliation was 4% above the mine call grade, and approximately 16% higher than the designed block model grade. When stoping commences the grade is forecast to be double the development grade due the stoping width of 2.2m compared to 4.5m in development, which is consistent with the overall reserve grade of 4.3g/t.

Approximately 470 metres of ore development has been completed to date on the 2295 level. Of this development, there is high grade stoping runs totalling ~380 metres of strike, with an average lode width of 1.1 metres and with an average lode grade of 13.5g/t (undiluted & uncut). The face sampling results have been closely tracked against the pre-mining estimate for grade which has indicated positive grade reconciliation that was also demonstrated in the batch sample through the processing plant as mentioned above. A further 400 metres of designed ore driving is yet to be completed, totalling approximately 860m of ore development along the main lodes for this level.

Underground diamond drilling continues, aimed at further infill and extensional targets. The infill program is providing much needed geological definition that is required for the stoping phase. The extensional drilling has been important in relation to defining the limits of the mineralisation on any given level. Importantly, a significant amount of drilling has specifically targeted the Murchison Lodes, which were under drilled in the initial resource drill out. The primary target of the initial resource drilling was Main Lode East and Main Lode West. Evaluation work on the Murchison Lodes is ongoing and it is expected that additional ore development will follow on the 2295 level. The mine design has been laid out with this eventuality in mind, so there are several access options available to capitalise on these additional ore lodes (see Figure 3).

4

==> picture [451 x 586] intentionally omitted <==

Figure 3 – 2295 Level Plan showing development competed to date, remaining planned development and pay run locations

5

==> picture [231 x 307] intentionally omitted <==

Figure 4 ODS2A 35 – Face Grade 4.4m @ 21.9g/t (Uncut) Lode Grade 1.4m @ 68.2 g/t (Uncut)

==> picture [227 x 286] intentionally omitted <==

Figure 6 ODS2A 35 – Face Grade 4.8m @ 4.4g/t (Uncut Lode Grade 0.5m @ 41.0 g/t (Uncut))

==> picture [225 x 307] intentionally omitted <==

Figure 5 ODN2 23 – Face Grade 4.8m @ 9.6g/t (Uncut) Lode Grade 1.3m @ 35.0 g/t (Uncut)

==> picture [225 x 286] intentionally omitted <==

Figure 7 ODN3 16 – Face Grade 5.1m @ 9.3g/t (Uncut) Lode Grade 1.6m @ 29.4 g/t (Uncut)

6

==> picture [683 x 424] intentionally omitted <==

Figure 8 - Long Section looking west showing significant intersections

7

Capital Projects

All capital projects are now complete, including:

  • Primary ventilation fans and primary ventilation circuit

  • Primary surface pump station

  • Surface power station

  • Underground sub station

  • Surface infrastructure

==> picture [452 x 303] intentionally omitted <==

Figure 9 - Primary ventilation fans installed.

==> picture [452 x 254] intentionally omitted <==

Figure 10 - Aerial view of primary power station.

8

This announcement was authorised for release to the ASX by Luke Creagh, Managing Director.

For further information about Ora Banda Mining Ltd and its projects please visit the Company’s website at www.orabandamining.com.au.

Investor & Media Queries: Luke Creagh Managing Director +61 8 6365 4548 [email protected]

Competent Persons Statement

The information in this announcement that relates to new Exploration Results is based on and fairly represents information and supporting documentation prepared by Mr Andrew Czerw, an employee of Ora Banda Mining Limited, who is Member of the Australian Institute of Mining and Metallurgy. Mr Czerw has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’. Mr Czerw consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

The information in this announcement that relates to the Production Target for Riverina Underground are set out in the Company’s ASX announcement, ‘Mineral Resource and Ore Reserve Statement on 26 October 2023 and is available to view at www.orabandamining.com.au. The Company confirms that all material assumptions underpinning the Production Target in that announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from that announcement.

The information in this announcement that relates to previous Exploration Results is set out in the Company’s ASX announcement, Mineral Resource and Ore Reserve Statement on 26 October 2023, and is available to view at www.orabandamining.com.au (other than Sand King exploration results). Information regarding the Sand King exploration results are included the Company’s ASX announcement, ‘Sand King Exploration Results Show UG Potential’ dated 2 November 2023. The Company confirms that it is not aware of any new information or data that materially affects the information included in those announcements. The Company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from those announcements.

Forward-looking Statements

This announcement contains forward-looking statements which may be identified by words such as "believes", "estimates", "expects', "intends", "may", "will", "would", "could", or "should" and other similar words that involve risks and uncertainties. These statements are based on an assessment of present economic and operating conditions, and on a number of assumptions regarding future events and actions that, as at the date of this announcement, are expected to take place.

Such forward-looking statements are provided as a general guide only, are not guarantees of future performance and involve known and unknown risks, uncertainties, assumptions and other important factors, many of which are beyond the control of the Company, the Directors and management of the

9

Company. These and other factors could cause actual results to differ materially from those expressed or implied in any forward-looking statements. The Company has no intention to update or revise forwardlooking statements, or to publish prospective financial information in the future, regardless of whether new information, future events or any other factors affect the information contained in this announcement, except where required by law. The Company cannot and does not give assurances that the results, performance or achievements expressed or implied in the forward looking statements contained in this announcement will actually occur and investors are cautioned not to place undue reliance on these forward-looking statements.

10

Appendix 1 – Significant Intersections Table – OBM Drill holes

(1g/t cut-off, maximum 2m internal dilution, minimum width 0.2m)

Project Hole ID MGA
North		 MGA
East		 RL Azi Dip End
Depth		 Hole
Type		 Depth
From		 Depth
To		 Interval Grade Gram
Metres		 Au g/t interval
RIVERINA RDR23008
RDR23008		 332
205
0
303
UGD
264590
6706737		 50.00 51.50 1.50 1.7 2.5 1.5m @ 1.7 g/t
Incl 50.00 50.60 0.60 3.0 1.8 0.6m @ 3.0 g/t
RIVERINA RGC23002
RGC23002		 332
280
-11
129
UGD
6706741 264588		 93.00 94.00 1.00 4.7 4.7 1.0m @ 4.7 g/t
101.65 102.36 0.71 1.2 0.8 0.7m @ 1.2 g/t
RIVERINA RGC23024 332
248
-23
135
UGD
6706740 264588		 92.27 92.63 0.36 1.5 0.5 0.4m @ 1.5 g/t
RIVERINA RGC23025
RGC23025		 332
263
-22
129
UGD
6706740 264588		 89.00 90.00 1.00 24.7 24.7 1.0m @ 24.7 g/t
96.10 97.00 0.90 1.1 1.0 0.9m @ 1.1 g/t
RIVERINA RGC23027 332
288
-19
159
UGD
6706742 264589		 113.00 114.00 1.00 3.4 3.4 1.0m @ 3.4 g/t
RIVERINA RGC23031
RGC23031
RGC23031
RGC23031		 319
225
1
151
UGD
6706644 264593		 2.05 2.70 0.65 1.6 1.0 0.7m @ 1.6 g/t
5.00 5.60 0.60 1.3 0.8 0.6m @ 1.3 g/t
115.00 116.00 1.00 2.0 2.0 1.0m @ 2.0 g/t
139.30 140.01 0.71 9.9 7.0 0.7m @ 9.9 g/t
RIVERINA RGC23032
RGC23032
RGC23032
RGC23032		 319
241
1
155
UGD
6706645 264591		 56.31 56.64 0.33 3.4 1.1 0.3m @ 3.4 g/t
61.00 62.00 1.00 1.4 1.4 1.0m @ 1.4 g/t
114.00 115.16 1.16 36.6 42.4 1.2m @ 36.6 g/t
121.23 121.60 0.37 25.0 9.3 0.4m @ 25.0 g/t
RIVERINA RGC23038
RGC23038
RGC23038
RGC23038
RGC23038
RGC23038
RGC23038
RGC23038
RGC23038
RGC23038		 332
302
-34
123
UGD
6706742 264589		 21.14 24.00 2.86 1.6 4.6 2.9m @ 1.6 g/t
Incl 21.44 21.90 0.46 3.2 1.5 0.5m @ 3.2 g/t
28.85 37.40 8.55 1.4 12.0 8.6m @ 1.4 g/t
Incl 28.85 30.00 1.15 3.5 4.0 1.2m @ 3.5 g/t
Incl 34.44 35.50 1.06 2.7 2.8 1.1m @ 2.7 g/t
40.30 40.70 0.40 1.3 0.5 0.4m @ 1.3 g/t
89.15 89.45 0.30 1.5 0.5 0.3m @ 1.5 g/t
93.35 93.65 0.30 1.2 0.4 0.3m @ 1.2 g/t
101.40 108.00 6.60 1.4 9.2 6.6m @ 1.4 g/t
Incl 101.40 101.71 0.31 13.2 4.1 0.3m @ 13.2 g/t
RIVERINA RGC23039
RGC23039
RGC23039
RGC23039
RGC23039
RGC23039
RGC23039
RGC23039
RGC23039
RGC23039
RGC23039
RGC23039		 331
305
-24
120
UGD
6706743 264589		 1.20 1.50 0.30 4.7 1.4 0.3m @ 4.7 g/t
21.41 22.00 0.59 2.6 1.6 0.6m @ 2.6 g/t
29.15 33.00 3.85 1.5 5.7 3.9m @ 1.5 g/t
Incl 29.55 29.85 0.30 3.0 0.9 0.3m @ 3.0 g/t
Incl 31.25 31.62 0.37 5.9 2.2 0.4m @ 5.9 g/t
38.30 38.60 0.30 1.1 0.3 0.3m @ 1.1 g/t
69.00 69.40 0.40 1.0 0.4 0.4m @ 1.0 g/t
87.00 91.00 4.00 1.1 4.6 4.0m @ 1.1 g/t
Incl 87.00 88.00 1.00 2.6 2.6 1.0m @ 2.6 g/t
96.00 100.10 4.10 1.7 7.0 4.1m @ 1.7 g/t
Incl 98.97 99.80 0.83 4.9 4.1 0.8m @ 4.9 g/t
103.00 104.00 1.00 1.1 1.1 1.0m @ 1.1 g/t
RIVERINA RGC23040
RGC23040
RGC23040
RGC23040
RGC23040
RGC23040
RGC23040
RGC23040
RGC23040		 319
213
2
193
UGD
6706644 264592		 0.46 1.00 0.54 2.3 1.2 0.5m @ 2.3 g/t
16.00 18.00 2.00 1.1 2.2 2.0m @ 1.1 g/t
40.00 40.50 0.50 1.7 0.8 0.5m @ 1.7 g/t
47.00 47.47 0.47 1.1 0.5 0.5m @ 1.1 g/t
149.00 150.00 1.00 1.8 1.8 1.0m @ 1.8 g/t
167.70 168.30 0.60 18.7 11.2 0.6m @ 18.7 g/t
Incl 168.00 168.30 0.30 35.9 10.8 0.3m @ 35.9 g/t
170.50 171.00 0.50 2.0 1.0 0.5m @ 2.0 g/t
192.00 192.80 0.80 7.5 6.0 0.8m @ 7.5 g/t

11

Project Hole ID MGA
North		 MGA
East		 RL Azi Dip End
Depth		 Hole
Type		 Depth
From		 Depth
To		 Interval Grade Gram
Metres		 Au g/t interval
RIVERINA RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044
RGC23044		 319
204
1
275
UGD
6706645 264592		 1.00 2.00 1.00 3.6 3.6 1.0m @ 3.6 g/t
13.00 14.00 1.00 1.4 1.4 1.0m @ 1.4 g/t
19.00 20.00 1.00 4.1 4.1 1.0m @ 4.1 g/t
28.00 29.00 1.00 2.3 2.3 1.0m @ 2.3 g/t
40.80 41.10 0.30 1.2 0.4 0.3m @ 1.2 g/t
53.00 54.00 1.00 1.6 1.6 1.0m @ 1.6 g/t
62.00 62.34 0.34 1.6 0.5 0.3m @ 1.6 g/t
135.00 136.00 1.00 8.1 8.1 1.0m @ 8.1 g/t
160.48 161.00 0.52 1.4 0.7 0.5m @ 1.4 g/t
175.00 175.30 0.30 1.3 0.4 0.3m @ 1.3 g/t
212.00 216.50 4.50 4.5 20.2 4.5m @ 4.5 g/t
Incl 212.80 214.70 1.90 9.6 18.3 1.9m @ 9.6 g/t
229.20 234.00 4.80 2.9 14.0 4.8m @ 2.9 g/t
Incl 229.20 231.47 2.27 5.1 11.6 2.3m @ 5.1 g/t
240.00 241.00 1.00 1.0 1.0 1.0m @ 1.0 g/t
RIVERINA RGC23045
RGC23045
RGC23045
RGC23045
RGC23045
RGC23045
RGC23045		 319
207
0
258
UGD
6706645 264592		 0.30 0.74 0.44 2.4 1.1 0.4m @ 2.4 g/t
154.00 154.70 0.70 1.1 0.8 0.7m @ 1.1 g/t
196.84 199.00 2.16 1.4 3.0 2.2m @ 1.4 g/t
Incl 196.84 197.22 0.38 2.2 0.8 0.4m @ 2.2 g/t
218.00 220.00 2.00 7.5 14.9 2.0m @ 7.5 g/t
Incl 219.00 220.00 1.00 14.4 14.4 1.0m @ 14.4 g/t
223.00 224.00 1.00 1.5 1.5 1.0m @ 1.5 g/t
RIVERINA RGC23046
RGC23046
RGC23046
RGC23046
RGC23046
RGC23046
RGC23046
RGC23046		 319
208
-3
252
UGD
6706645 264592		 18.00 19.00 1.00 3.0 3.0 1.0m @ 3.0 g/t
42.85 43.26 0.41 1.7 0.7 0.4m @ 1.7 g/t
142.00 143.00 1.00 1.0 1.0 1.0m @ 1.0 g/t
197.35 198.64 1.29 19.7 25.4 1.3m @ 19.7 g/t
Incl 197.95 198.64 0.69 35.5 24.5 0.7m @ 35.5 g/t
221.00 234.00 13.00 2.4 30.9 13.0m @ 2.4 g/t
Incl 224.00 229.00 5.00 4.5 22.7 5.0m @ 4.5 g/t
Incl 233.00 234.00 1.00 3.1 3.1 1.0m @ 3.1 g/t
RIVERINA RGC23047
RGC23047
RGC23047
RGC23047
RGC23047
RGC23047
RGC23047
RGC23047
RGC23047		 319
212
-3
240
UGD
6706645 264592		 9.00 10.00 1.00 1.2 1.2 1.0m @ 1.2 g/t
44.53 45.47 0.94 1.5 1.4 0.9m @ 1.5 g/t
147.00 148.00 1.00 1.2 1.2 1.0m @ 1.2 g/t
175.29 178.00 2.71 2.4 6.5 2.7m @ 2.4 g/t
Incl 175.29 176.00 0.71 5.9 4.2 0.7m @ 5.9 g/t
204.70 207.72 3.02 20.1 60.8 3.0m @ 20.1 g/t
Incl 205.00 207.00 2.00 29.8 59.5 2.0m @ 29.8 g/t
232.00 233.00 1.00 1.3 1.3 1.0m @ 1.3 g/t
235.00 236.00 1.00 1.1 1.1 1.0m @ 1.1 g/t
RIVERINA RGC23048
RGC23048
RGC23048
RGC23048
RGC23048		 319
216
0
224
UGD
6706645 264592		 2.20 2.52 0.32 3.8 1.2 0.3m @ 3.8 g/t
5.73 6.10 0.37 1.3 0.5 0.4m @ 1.3 g/t
9.00 10.00 1.00 1.1 1.1 1.0m @ 1.1 g/t
87.00 89.00 2.00 4.4 8.8 2.0m @ 4.4 g/t
180.70 182.23 1.53 6.5 9.9 1.5m @ 6.5 g/t
RIVERINA RGC23049
RGC23049
RGC23049
RGC23049
RGC23049
RGC23049
RGC23049		 319
244
-5
126
UGD
6706647 264591		 54.00 55.40 1.40 1.5 2.1 1.4m @ 1.5 g/t
Incl 54.00 54.35 0.35 4.1 1.4 0.4m @ 4.1 g/t
57.20 57.55 0.35 1.2 0.4 0.4m @ 1.2 g/t
83.00 84.00 1.00 1.9 1.9 1.0m @ 1.9 g/t
96.00 97.00 1.00 1.2 1.2 1.0m @ 1.2 g/t
102.30 103.30 1.00 33.5 33.5 1.0m @ 33.5 g/t
Incl 102.60 102.93 0.33 98.6 32.6 0.3m @ 98.6 g/t
RIVERINA RGC23050
RGC23050
RGC23050
RGC23050
RGC23050
RGC23050
RGC23050
RGC23050		 319
224
-1
177
UGD
6706646 264591		 70.00 71.00 1.00 1.4 1.4 1.0m @ 1.4 g/t
74.00 75.00 1.00 1.7 1.7 1.0m @ 1.7 g/t
98.00 98.40 0.40 1.1 0.5 0.4m @ 1.1 g/t
98.70 99.22 0.52 1.0 0.5 0.5m @ 1.0 g/t
137.90 141.00 3.10 3.9 12.2 3.1m @ 3.9 g/t
Incl 138.20 138.81 0.61 16.3 9.9 0.6m @ 16.3 g/t
151.47 152.38 0.91 11.6 10.5 0.9m @ 11.6 g/t
175.00 175.64 0.64 1.5 0.9 0.6m @ 1.5 g/t

12

Project Hole ID MGA
North		 MGA
East		 RL Azi Dip End
Depth		 Hole
Type		 Depth
From		 Depth
To		 Interval Grade Gram
Metres		 Au g/t interval
RIVERINA RGC23051
RGC23051
RGC23051
RGC23051		 319
261
-4
120
UGD
6706647 264591		 21.00 22.00 1.00 5.2 5.2 1.0m @ 5.2 g/t
48.14 49.00 0.86 1.2 1.0 0.9m @ 1.2 g/t
51.98 52.56 0.58 1.4 0.8 0.6m @ 1.4 g/t
83.00 84.00 1.00 1.2 1.2 1.0m @ 1.2 g/t
RIVERINA RGC23052
RGC23052
RGC23052
RGC23052
RGC23052
RGC23052		 319
280
-3
120
UGD
6706647 264591		 1.50 1.94 0.44 1.2 0.5 0.4m @ 1.2 g/t
14.00 15.00 1.00 2.1 2.1 1.0m @ 2.1 g/t
51.50 54.00 2.50 3.1 7.8 2.5m @ 3.1 g/t
71.00 72.00 1.00 3.2 3.2 1.0m @ 3.2 g/t
97.14 97.44 0.30 2.6 0.8 0.3m @ 2.6 g/t
105.45 105.75 0.30 3.3 1.0 0.3m @ 3.3 g/t
RIVERINA RGC23053
RGC23053
RGC23053
RGC23053
RGC23053
RGC23053
RGC23053
RGC23053
RGC23053
RGC23053
RGC23053		 319
301
-1
150
UGD
6706648 264591		 40.56 45.00 4.44 1.0 4.5 4.4m @ 1.0 g/t
49.00 50.60 1.60 2.1 3.4 1.6m @ 2.1 g/t
Incl 49.00 50.30 1.30 2.2 2.8 1.3m @ 2.2 g/t
57.00 58.58 1.58 1.3 2.1 1.6m @ 1.3 g/t
Incl 58.18 58.58 0.40 2.0 0.8 0.4m @ 2.0 g/t
64.00 65.00 1.00 1.6 1.6 1.0m @ 1.6 g/t
116.00 117.00 1.00 1.8 1.8 1.0m @ 1.8 g/t
118.70 119.00 0.30 1.5 0.5 0.3m @ 1.5 g/t
129.60 133.00 3.40 1.4 4.6 3.4m @ 1.4 g/t
Incl 130.20 130.62 0.42 2.1 0.9 0.4m @ 2.1 g/t
Incl 132.00 133.00 1.00 2.8 2.8 1.0m @ 2.8 g/t
RIVERINA RGC23054
RGC23054
RGC23054
RGC23054
RGC23054
RGC23054
RGC23054
RGC23054
RGC23054
RGC23054
RGC23054		 319
279
-12
123
UGD
6706647 264591		 39.66 42.10 2.44 5.1 12.4 2.4m @ 5.1 g/t
50.53 56.25 5.72 1.2 6.7 5.7m @ 1.2 g/t
Incl 50.53 50.94 0.41 3.6 1.5 0.4m @ 3.6 g/t
Incl 53.50 54.00 0.50 2.5 1.3 0.5m @ 2.5 g/t
Incl 55.56 56.25 0.69 2.3 1.6 0.7m @ 2.3 g/t
57.34 57.70 0.36 1.1 0.4 0.4m @ 1.1 g/t
71.00 71.70 0.70 1.6 1.1 0.7m @ 1.6 g/t
97.00 99.00 2.00 5.1 10.2 2.0m @ 5.1 g/t
Incl 97.00 97.85 0.85 10.8 9.2 0.9m @ 10.8 g/t
106.60 110.00 3.40 2.9 9.9 3.4m @ 2.9 g/t
Incl 106.60 108.26 1.66 5.2 8.6 1.7m @ 5.2 g/t
RIVERINA RGC23055
RGC23055
RGC23055
RGC23055
RGC23055
RGC23055
RGC23055		 319
281
-14
123
UGD
6706647 264591		 39.00 42.85 3.85 1.8 6.8 3.9m @ 1.8 g/t
Incl 40.20 40.55 0.35 6.1 2.1 0.4m @ 6.1 g/t
77.00 78.00 1.00 2.7 2.7 1.0m @ 2.7 g/t
98.50 99.27 0.77 49.5 38.1 0.8m @ 49.5 g/t
101.50 102.20 0.70 2.8 2.0 0.7m @ 2.8 g/t
Incl 101.80 102.20 0.40 3.8 1.5 0.4m @ 3.8 g/t
109.70 110.82 1.12 13.7 15.3 1.1m @ 13.7 g/t
RIVERINA RGC23056
RGC23056
RGC23056
RGC23056		 319
273
-3
117
UGD
6706648 264591		 44.32 44.62 0.30 1.1 0.3 0.3m @ 1.1 g/t
51.40 52.90 1.50 1.3 1.9 1.5m @ 1.3 g/t
95.38 96.20 0.82 15.8 13.0 0.8m @ 15.8 g/t
Incl 95.38 95.90 0.52 23.9 12.4 0.5m @ 23.9 g/t
RIVERINA RGC23058
RGC23058
RGC23058
RGC23058
RGC23058		 318
257
-19
118
UGD
6706648 264591		 39.70 40.00 0.30 5.2 1.6 0.3m @ 5.2 g/t
53.50 56.27 2.77 2.0 5.6 2.8m @ 2.0 g/t
72.00 72.76 0.76 9.9 7.5 0.8m @ 9.9 g/t
106.50 107.15 0.65 1.7 1.1 0.7m @ 1.7 g/t
Incl 106.50 106.85 0.35 2.3 0.8 0.4m @ 2.3 g/t
RIVERINA RGC23060
RGC23060
RGC23060
RGC23060
RGC23060
RGC23060
RGC23060
RGC23060		 318
212
-27
156
UGD
6706645 264592		 23.00 24.00 1.00 2.8 2.8 1.0m @ 2.8 g/t
32.00 33.00 1.00 1.1 1.1 1.0m @ 1.1 g/t
61.00 62.00 1.00 2.0 2.0 1.0m @ 2.0 g/t
74.57 75.00 0.43 2.2 1.0 0.4m @ 2.2 g/t
102.44 103.00 0.56 7.8 4.4 0.6m @ 7.8 g/t
139.00 140.00 1.00 4.3 4.3 1.0m @ 4.3 g/t
146.00 147.80 1.80 1.4 2.5 1.8m @ 1.4 g/t
Incl 146.00 147.00 1.00 2.0 2.0 1.0m @ 2.0 g/t

13

Project Hole ID MGA
North		 MGA
East		 RL Azi Dip End
Depth		 Hole
Type		 Depth
From		 Depth
To		 Interval Grade Gram
Metres		 Au g/t interval
RIVERINA RGC23061
RGC23061
RGC23061
RGC23061
RGC23061
RGC23061		 318
223
-28
132
UGD
6706645 264592		 30.72 31.02 0.30 2.7 0.8 0.3m @ 2.7 g/t
67.00 68.00 1.00 1.5 1.5 1.0m @ 1.5 g/t
95.00 96.00 1.00 1.0 1.0 1.0m @ 1.0 g/t
103.27 104.00 0.73 2.1 1.5 0.7m @ 2.1 g/t
123.00 125.00 2.00 1.8 3.5 2.0m @ 1.8 g/t
Incl 123.00 124.00 1.00 2.0 2.0 1.0m @ 2.0 g/t
RIVERINA RGC23062
RGC23062
RGC23062
RGC23062
RGC23062
RGC23062		 318
238
-25
138
UGD
6706647 264591		 0.00 0.50 0.50 1.0 0.5 0.5m @ 1.0 g/t
68.92 69.40 0.48 1.2 0.6 0.5m @ 1.2 g/t
98.25 98.55 0.30 2.4 0.7 0.3m @ 2.4 g/t
110.00 110.33 0.33 12.9 4.2 0.3m @ 12.9 g/t
113.73 115.00 1.27 19.4 24.7 1.3m @ 19.4 g/t
Incl 113.73 114.38 0.65 36.5 23.7 0.7m @ 36.5 g/t
RIVERINA RGC23063
RGC23063
RGC23063
RGC23063
RGC23063
RGC23063
RGC23063
RGC23063
RGC23063
RGC23063
RGC23063
RGC23063		 318
273
-32
135
UGD
6706648 264591		 38.30 44.91 6.61 2.0 13.0 6.6m @ 2.0 g/t
Incl 40.00 44.91 4.91 2.5 12.2 4.9m @ 2.5 g/t
53.00 55.00 2.00 14.8 29.6 2.0m @ 14.8 g/t
Incl 53.00 54.21 1.21 23.7 28.6 1.2m @ 23.7 g/t
58.41 59.26 0.85 2.7 2.3 0.9m @ 2.7 g/t
Incl 58.90 59.26 0.36 4.8 1.7 0.4m @ 4.8 g/t
71.00 72.00 1.00 1.5 1.5 1.0m @ 1.5 g/t
95.00 97.00 2.00 1.5 2.9 2.0m @ 1.5 g/t
109.50 110.20 0.70 3.4 2.4 0.7m @ 3.4 g/t
Incl 109.50 109.85 0.35 5.6 2.0 0.4m @ 5.6 g/t
116.00 119.00 3.00 2.1 6.2 3.0m @ 2.1 g/t
126.17 126.87 0.70 18.7 13.1 0.7m @ 18.7 g/t
RIVERINA RGC23064
RGC23064
RGC23064
RGC23064
RGC23064
RGC23064
RGC23064
RGC23064
RGC23064
RGC23064
RGC23064
RGC23064		 318
283
-27
132
UGD
6706648 264591		 0.00 1.00 1.00 4.9 4.9 1.0m @ 4.9 g/t
6.00 8.00 2.00 2.8 5.5 2.0m @ 2.8 g/t
38.96 45.00 6.04 1.2 7.2 6.0m @ 1.2 g/t
Incl 38.96 39.26 0.30 2.5 0.7 0.3m @ 2.5 g/t
Incl 44.00 45.00 1.00 2.6 2.6 1.0m @ 2.6 g/t
47.18 47.86 0.68 2.3 1.5 0.7m @ 2.3 g/t
Incl 47.18 47.48 0.30 3.1 0.9 0.3m @ 3.1 g/t
51.60 54.00 2.40 21.7 52.0 2.4m @ 21.7 g/t
68.40 68.70 0.30 2.0 0.6 0.3m @ 2.0 g/t
109.89 110.52 0.63 5.3 3.3 0.6m @ 5.3 g/t
115.00 116.00 1.00 3.4 3.4 1.0m @ 3.4 g/t
125.52 128.00 2.48 5.2 12.8 2.5m @ 5.2 g/t
RIVERINA RGC23065
RGC23065
RGC23065
RGC23065
RGC23065
RGC23065
RGC23065
RGC23065
RGC23065
RGC23065
RGC23065		 318
291
-27
144
UGD
6706648 264591		 15.00 16.00 1.00 8.1 8.1 1.0m @ 8.1 g/t
38.64 41.70 3.06 2.9 9.0 3.1m @ 2.9 g/t
Incl 39.48 41.70 2.22 3.7 8.3 2.2m @ 3.7 g/t
48.00 48.50 0.50 1.4 0.7 0.5m @ 1.4 g/t
52.70 54.44 1.74 17.3 30.1 1.7m @ 17.3 g/t
66.59 67.45 0.86 1.6 1.4 0.9m @ 1.6 g/t
Incl 67.15 67.45 0.30 2.5 0.8 0.3m @ 2.5 g/t
91.00 92.00 1.00 3.0 3.0 1.0m @ 3.0 g/t
110.37 111.03 0.66 2.2 1.5 0.7m @ 2.2 g/t
116.00 117.00 1.00 8.7 8.7 1.0m @ 8.7 g/t
126.04 129.00 2.96 4.2 12.5 3.0m @ 4.2 g/t
RIVERINA RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066
RGC23066		 318
215
-40
231
UGD
6706645 264592		 17.00 18.00 1.00 2.3 2.3 1.0m @ 2.3 g/t
36.60 36.90 0.30 1.0 0.3 0.3m @ 1.0 g/t
38.00 39.00 1.00 1.3 1.3 1.0m @ 1.3 g/t
40.00 41.00 1.00 1.2 1.2 1.0m @ 1.2 g/t
58.70 63.48 4.78 4.5 21.5 4.8m @ 4.5 g/t
Incl 58.70 63.00 4.30 4.9 20.9 4.3m @ 4.9 g/t
66.10 70.00 3.90 2.1 8.1 3.9m @ 2.1 g/t
74.00 75.00 1.00 1.0 1.0 1.0m @ 1.0 g/t
80.00 80.47 0.47 3.7 1.7 0.5m @ 3.7 g/t
93.80 94.32 0.52 1.8 0.9 0.5m @ 1.8 g/t
143.00 144.00 1.00 3.5 3.5 1.0m @ 3.5 g/t
154.00 155.00 1.00 1.7 1.7 1.0m @ 1.7 g/t
166.00 168.00 2.00 1.3 2.6 2.0m @ 1.3 g/t
174.91 175.81 0.90 4.0 3.6 0.9m @ 4.0 g/t
196.20 196.60 0.40 1.2 0.5 0.4m @ 1.2 g/t

14

Project Hole ID MGA
North		 MGA
East		 RL Azi Dip End
Depth		 Hole
Type		 Depth
From		 Depth
To		 Interval Grade Gram
Metres		 Au g/t interval
RIVERINA RGC23067
RGC23067
RGC23067
RGC23067
RGC23067
RGC23067
RGC23067
RGC23067
RGC23067		 318
221
-41
209
UGD
6706645 264592		 57.50 68.00 10.50 2.2 23.0 10.5m @ 2.2 g/t
Incl 57.50 60.98 3.48 4.2 14.6 3.5m @ 4.2 g/t
Incl 65.00 65.52 0.52 5.2 2.7 0.5m @ 5.2 g/t
70.70 71.20 0.50 2.7 1.4 0.5m @ 2.7 g/t
122.80 123.10 0.30 15.7 4.7 0.3m @ 15.7 g/t
131.00 132.00 1.00 2.5 2.5 1.0m @ 2.5 g/t
149.00 154.00 5.00 3.9 19.3 5.0m @ 3.9 g/t
160.50 161.57 1.07 4.8 5.1 1.1m @ 4.8 g/t
Incl 160.50 161.00 0.50 8.4 4.2 0.5m @ 8.4 g/t
RIVERINA RGC23068
RGC23068
RGC23068
RGC23068
RGC23068
RGC23068
RGC23068
RGC23068
RGC23068
RGC23068		 318
227
-43
201
UGD
6706645 264592		 45.00 46.00 1.00 2.3 2.3 1.0m @ 2.3 g/t
50.00 50.50 0.50 3.8 1.9 0.5m @ 3.8 g/t
54.00 60.63 6.63 2.2 14.6 6.6m @ 2.2 g/t
Incl 55.00 60.63 5.63 2.4 13.4 5.6m @ 2.4 g/t
63.00 64.00 1.00 1.0 1.0 1.0m @ 1.0 g/t
124.00 125.00 1.00 4.1 4.1 1.0m @ 4.1 g/t
133.00 134.00 1.00 1.3 1.3 1.0m @ 1.3 g/t
153.50 154.60 1.10 21.0 23.1 1.1m @ 21.0 g/t
173.00 174.49 1.49 1.9 2.8 1.5m @ 1.9 g/t
Incl 173.00 173.50 0.50 3.0 1.5 0.5m @ 3.0 g/t
RIVERINA RGC23069
RGC23069
RGC23069
RGC23069
RGC23069
RGC23069
RGC23069
RGC23069
RGC23069
RGC23069		 318
245
-38
162
UGD
6706647 264592		 1.00 2.00 1.00 4.6 4.6 1.0m @ 4.6 g/t
25.37 25.94 0.57 1.2 0.7 0.6m @ 1.2 g/t
43.97 54.00 10.03 3.2 31.9 10.0m @ 3.2 g/t
64.54 65.05 0.51 1.4 0.7 0.5m @ 1.4 g/t
66.17 66.50 0.33 1.9 0.6 0.3m @ 1.9 g/t
77.00 78.00 1.00 1.1 1.1 1.0m @ 1.1 g/t
119.23 119.76 0.53 11.4 6.0 0.5m @ 11.4 g/t
127.04 128.35 1.31 12.3 16.1 1.3m @ 12.3 g/t
133.52 133.82 0.30 1.1 0.3 0.3m @ 1.1 g/t
134.12 134.42 0.30 1.2 0.4 0.3m @ 1.2 g/t
RIVERINA RGC23070
RGC23070
RGC23070
RGC23070
RGC23070
RGC23070
RGC23070
RGC23070
RGC23070
RGC23070		 318
251
-44
171
UGD
6706647 264592		 1.00 2.00 1.00 1.1 1.1 1.0m @ 1.1 g/t
43.02 43.38 0.36 1.5 0.6 0.4m @ 1.5 g/t
51.00 55.00 4.00 4.2 16.8 4.0m @ 4.2 g/t
57.90 58.44 0.54 4.0 2.2 0.5m @ 4.0 g/t
66.00 69.70 3.70 2.2 8.3 3.7m @ 2.2 g/t
Incl 66.00 68.59 2.59 2.7 7.0 2.6m @ 2.7 g/t
78.00 79.00 1.00 15.7 15.7 1.0m @ 15.7 g/t
81.20 82.00 0.80 1.0 0.8 0.8m @ 1.0 g/t
130.06 130.66 0.60 25.7 15.4 0.6m @ 25.7 g/t
147.27 148.61 1.34 23.9 32.1 1.3m @ 23.9 g/t
RIVERINA RGC23071
RGC23071
RGC23071
RGC23071
RGC23071
RGC23071
RGC23071
RGC23071
RGC23071
RGC23071
RGC23071		 318
254
-50
192
UGD
6706647 264592		 51.50 53.00 1.50 1.3 1.9 1.5m @ 1.3 g/t
64.00 68.00 4.00 1.2 4.8 4.0m @ 1.2 g/t
Incl 65.00 66.00 1.00 2.3 2.3 1.0m @ 2.3 g/t
71.11 74.00 2.89 1.8 5.3 2.9m @ 1.8 g/t
Incl 71.11 72.21 1.10 3.9 4.3 1.1m @ 3.9 g/t
84.00 85.00 1.00 17.4 17.4 1.0m @ 17.4 g/t
146.14 146.81 0.67 2.3 1.5 0.7m @ 2.3 g/t
Incl 146.14 146.51 0.37 3.1 1.1 0.4m @ 3.1 g/t
165.00 166.68 1.68 4.9 8.3 1.7m @ 4.9 g/t
Incl 165.00 166.28 1.28 5.9 7.5 1.3m @ 5.9 g/t
169.00 170.00 1.00 1.7 1.7 1.0m @ 1.7 g/t
RIVERINA RGC23072
RGC23072
RGC23072
RGC23072
RGC23072
RGC23072
RGC23072
RGC23072
RGC23072		 318
263
-45
171
UGD
6706647 264592		 24.00 25.00 1.00 2.8 2.8 1.0m @ 2.8 g/t
Incl 24.00 24.50 0.50 4.2 2.1 0.5m @ 4.2 g/t
55.16 57.80 2.64 2.3 6.2 2.6m @ 2.3 g/t
64.00 65.50 1.50 2.3 3.5 1.5m @ 2.3 g/t
87.00 87.40 0.40 1.0 0.4 0.4m @ 1.0 g/t
92.80 93.11 0.31 1.8 0.5 0.3m @ 1.8 g/t
132.00 132.62 0.62 4.9 3.0 0.6m @ 4.9 g/t
149.60 151.11 1.51 3.7 5.5 1.5m @ 3.7 g/t
Incl 150.27 151.11 0.84 5.3 4.4 0.8m @ 5.3 g/t

15

Project Hole ID MGA
North		 MGA
East		 RL Azi Dip End
Depth		 Hole
Type		 Depth
From		 Depth
To		 Interval Grade Gram
Metres		 Au g/t interval
RIVERINA RGC23073
RGC23073
RGC23073
RGC23073
RGC23073
RGC23073
RGC23073
RGC23073
RGC23073
RGC23073		 318
266
-50
192
UGD
6706648 264592		 45.00 46.70 1.70 2.1 3.5 1.7m @ 2.1 g/t
Incl 46.40 46.70 0.30 4.1 1.2 0.3m @ 4.1 g/t
51.00 52.00 1.00 2.3 2.3 1.0m @ 2.3 g/t
64.00 69.24 5.24 1.5 7.9 5.2m @ 1.5 g/t
Incl 67.00 69.24 2.24 2.4 5.4 2.2m @ 2.4 g/t
71.70 72.40 0.70 1.3 0.9 0.7m @ 1.3 g/t
97.82 99.00 1.18 8.2 9.6 1.2m @ 8.2 g/t
151.98 152.55 0.57 9.0 5.1 0.6m @ 9.0 g/t
171.60 173.61 2.01 10.6 21.3 2.0m @ 10.6 g/t
Incl 171.90 173.61 1.71 12.2 20.8 1.7m @ 12.2 g/t
RIVERINA RGC23074
RGC23074
RGC23074
RGC23074
RGC23074
RGC23074
RGC23074
RGC23074
RGC23074
RGC23074		 318
273
-44
171
UGD
6706648 264592		 0.00 1.00 1.00 3.6 3.6 1.0m @ 3.6 g/t
43.19 43.75 0.56 1.9 1.1 0.6m @ 1.9 g/t
50.00 51.00 1.00 7.6 7.6 1.0m @ 7.6 g/t
61.88 62.53 0.65 1.4 0.9 0.7m @ 1.4 g/t
63.72 64.60 0.88 1.1 0.9 0.9m @ 1.1 g/t
76.30 76.60 0.30 1.5 0.4 0.3m @ 1.5 g/t
89.30 90.00 0.70 1.5 1.1 0.7m @ 1.5 g/t
137.27 137.82 0.55 4.6 2.5 0.6m @ 4.6 g/t
155.66 157.31 1.65 1.7 2.8 1.7m @ 1.7 g/t
Incl 155.66 156.32 0.66 2.4 1.6 0.7m @ 2.4 g/t
RIVERINA RGC23076
RGC23076
RGC23076
RGC23076
RGC23076
RGC23076
RGC23076
RGC23076
RGC23076
RGC23076
RGC23076
RGC23076
RGC23076		 318
288
-47
201
UGD
6706649 264592		 4.00 5.00 1.00 1.7 1.7 1.0m @ 1.7 g/t
51.00 52.00 1.00 1.6 1.6 1.0m @ 1.6 g/t
63.00 65.00 2.00 1.2 2.5 2.0m @ 1.2 g/t
66.92 67.22 0.30 1.9 0.6 0.3m @ 1.9 g/t
70.00 72.40 2.40 1.2 2.8 2.4m @ 1.2 g/t
Incl 72.05 72.40 0.35 3.2 1.1 0.4m @ 3.2 g/t
92.00 93.00 1.00 1.5 1.5 1.0m @ 1.5 g/t
101.12 101.86 0.74 9.9 7.3 0.7m @ 9.9 g/t
Incl 101.55 101.86 0.31 22.2 6.9 0.3m @ 22.2 g/t
106.00 107.00 1.00 1.3 1.3 1.0m @ 1.3 g/t
162.00 165.00 3.00 1.7 5.1 3.0m @ 1.7 g/t
Incl 163.44 163.97 0.53 4.3 2.3 0.5m @ 4.3 g/t
180.56 181.00 0.44 2.5 1.1 0.4m @ 2.5 g/t
RIVERINA RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077
RGC23077		 318
296
-44
210
UGD
6706649 264592		 36.00 38.00 2.00 1.2 2.5 2.0m @ 1.2 g/t
41.70 45.00 3.30 1.3 4.4 3.3m @ 1.3 g/t
Incl 42.30 43.20 0.90 2.4 2.2 0.9m @ 2.4 g/t
49.00 51.00 2.00 1.1 2.2 2.0m @ 1.1 g/t
58.00 59.00 1.00 1.3 1.3 1.0m @ 1.3 g/t
64.00 68.70 4.70 2.2 10.5 4.7m @ 2.2 g/t
Incl 64.00 66.82 2.82 3.2 9.0 2.8m @ 3.2 g/t
71.85 77.00 5.15 2.6 13.3 5.2m @ 2.6 g/t
Incl 72.84 77.00 4.16 2.9 12.1 4.2m @ 2.9 g/t
88.37 88.67 0.30 1.1 0.3 0.3m @ 1.1 g/t
94.70 95.00 0.30 1.3 0.4 0.3m @ 1.3 g/t
98.00 98.30 0.30 1.0 0.3 0.3m @ 1.0 g/t
101.35 105.60 4.25 1.2 5.0 4.3m @ 1.2 g/t
Incl 102.93 103.23 0.30 2.0 0.6 0.3m @ 2.0 g/t
Incl 103.93 104.60 0.67 3.4 2.3 0.7m @ 3.4 g/t
108.80 109.30 0.50 2.4 1.2 0.5m @ 2.4 g/t
131.00 132.00 1.00 3.4 3.4 1.0m @ 3.4 g/t
169.70 173.00 3.30 2.4 7.9 3.3m @ 2.4 g/t
Incl 169.70 170.80 1.10 6.2 6.8 1.1m @ 6.2 g/t
175.60 176.00 0.40 2.1 0.9 0.4m @ 2.1 g/t
186.45 186.98 0.53 5.9 3.1 0.5m @ 5.9 g/t
189.70 190.21 0.51 2.7 1.4 0.5m @ 2.7 g/t
RIVERINA RGC23079
RGC23079
RGC23079
RGC23079
RGC23079
RGC23079
RGC23079
RGC23079
RGC23079		 338
265
-39
192
UGD
6706780 264588		 24.00 29.00 5.00 3.6 18.0 5.0m @ 3.6 g/t
Incl 27.15 29.00 1.85 7.5 13.9 1.9m @ 7.5 g/t
92.50 95.00 2.50 2.1 5.3 2.5m @ 2.1 g/t
Incl 92.50 93.20 0.70 5.6 3.9 0.7m @ 5.6 g/t
113.00 114.00 1.00 1.1 1.1 1.0m @ 1.1 g/t
119.00 120.00 1.00 1.3 1.3 1.0m @ 1.3 g/t
152.99 153.32 0.33 1.3 0.4 0.3m @ 1.3 g/t
161.00 162.00 1.00 2.8 2.8 1.0m @ 2.8 g/t
164.03 165.04 1.01 3.3 3.3 1.0m @ 3.3 g/t

16

Project Hole ID MGA
North		 MGA
East		 RL Azi Dip End
Depth		 Hole
Type		 Depth
From		 Depth
To		 Interval Grade Gram
Metres		 Au g/t interval
RIVERINA RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085
RGC23085		 338
238
-20
171
UGD
6706780 264588		 15.00 17.00 2.00 1.7 3.3 2.0m @ 1.7 g/t
Incl 15.00 16.00 1.00 2.0 2.0 1.0m @ 2.0 g/t
31.70 34.00 2.30 1.5 3.5 2.3m @ 1.5 g/t
54.00 56.00 2.00 2.0 3.9 2.0m @ 2.0 g/t
Incl 55.00 56.00 1.00 2.5 2.5 1.0m @ 2.5 g/t
61.00 66.50 5.50 2.0 10.9 5.5m @ 2.0 g/t
Incl 61.00 62.00 1.00 2.7 2.7 1.0m @ 2.7 g/t
Incl 64.00 66.00 2.00 3.2 6.4 2.0m @ 3.2 g/t
84.40 85.00 0.60 3.1 1.8 0.6m @ 3.1 g/t
Incl 84.40 84.70 0.30 5.1 1.5 0.3m @ 5.1 g/t
93.00 94.00 1.00 3.1 3.1 1.0m @ 3.1 g/t
122.34 125.00 2.66 4.9 13.1 2.7m @ 4.9 g/t
131.00 132.00 1.00 1.4 1.4 1.0m @ 1.4 g/t
134.30 136.00 1.70 1.9 3.2 1.7m @ 1.9 g/t
Incl 134.30 134.62 0.32 4.4 1.4 0.3m @ 4.4 g/t
RIVERINA RGC23086
RGC23086
RGC23086
RGC23086
RGC23086
RGC23086
RGC23086
RGC23086
RGC23086
RGC23086
RGC23086		 338
239
-12
150
UGD
6706779 264588		 21.49 21.83 0.34 2.1 0.7 0.3m @ 2.1 g/t
28.00 31.00 3.00 3.1 9.3 3.0m @ 3.1 g/t
36.00 37.00 1.00 1.3 1.3 1.0m @ 1.3 g/t
Incl 36.60 37.00 0.40 2.0 0.8 0.4m @ 2.0 g/t
61.40 66.30 4.90 6.5 31.9 4.9m @ 6.5 g/t
Incl 61.75 64.00 2.25 13.0 29.3 2.3m @ 13.0 g/t
74.00 75.00 1.00 3.2 3.2 1.0m @ 3.2 g/t
117.00 118.90 1.90 3.9 7.4 1.9m @ 3.9 g/t
Incl 118.56 118.90 0.34 16.3 5.5 0.3m @ 16.3 g/t
127.85 130.00 2.15 1.2 2.6 2.2m @ 1.2 g/t
Incl 127.85 128.15 0.30 3.4 1.0 0.3m @ 3.4 g/t
RIVERINA RGC23087
RGC23087
RGC23087
RGC23087
RGC23087
RGC23087
RGC23087
RGC23087
RGC23087
RGC23087
RGC23087
RGC23087		 339
244
-4
141
UGD
6706780 264588		 23.00 24.00 1.00 4.6 4.6 1.0m @ 4.6 g/t
27.00 28.00 1.00 1.6 1.6 1.0m @ 1.6 g/t
30.00 31.00 1.00 1.3 1.3 1.0m @ 1.3 g/t
59.15 59.45 0.30 6.3 1.9 0.3m @ 6.3 g/t
64.81 66.50 1.69 2.4 4.1 1.7m @ 2.4 g/t
Incl 64.81 65.60 0.79 4.2 3.3 0.8m @ 4.2 g/t
89.35 90.00 0.65 2.3 1.5 0.7m @ 2.3 g/t
103.00 104.00 1.00 1.9 1.9 1.0m @ 1.9 g/t
113.50 114.15 0.65 1.6 1.0 0.7m @ 1.6 g/t
119.60 120.23 0.63 1.9 1.2 0.6m @ 1.9 g/t
Incl 119.60 119.90 0.30 2.7 0.8 0.3m @ 2.7 g/t
122.84 123.20 0.36 1.8 0.6 0.4m @ 1.8 g/t
RIVERINA RGC23088
RGC23088
RGC23088
RGC23088
RGC23088
RGC23088
RGC23088
RGC23088
RGC23088
RGC23088
RGC23088		 338
248
-13
141
UGD
6706780 264588		 25.30 31.00 5.70 2.1 12.1 5.7m @ 2.1 g/t
Incl 26.51 30.00 3.49 2.9 10.2 3.5m @ 2.9 g/t
59.91 62.03 2.12 3.6 7.7 2.1m @ 3.6 g/t
Incl 60.27 61.21 0.94 7.2 6.7 0.9m @ 7.2 g/t
78.10 79.00 0.90 1.4 1.3 0.9m @ 1.4 g/t
85.00 86.15 1.15 1.5 1.7 1.2m @ 1.5 g/t
91.00 92.00 1.00 1.5 1.5 1.0m @ 1.5 g/t
114.28 115.37 1.09 4.9 5.4 1.1m @ 4.9 g/t
Incl 114.28 115.00 0.72 6.8 4.9 0.7m @ 6.8 g/t
124.64 125.29 0.65 2.7 1.8 0.7m @ 2.7 g/t
Incl 124.64 124.99 0.35 3.9 1.4 0.4m @ 3.9 g/t

17

ASX Announcement (ASX: OBM)

Appendix 3: JORC Tables

JORC Code, 2012 Edition – Table 1 report template

Section 1 Sampling Techniques and Data - Riverina

Information for historical (Pre Ora Banda Mining Limited from 1996 and 2001) drilling and sampling has been extensively viewed and validated where possible. Information pertaining to historical QAQC procedures and data is incomplete but of a sufficient quality and detail to allow drilling and assay data to be used for resource estimations. Further Ora Banda Mining Limited has undertaken extensive infill and confirmation drilling which confirms historical drill results. Sections 1 and 2 describe the work undertaken by Ora Banda Mining Limited and only refer to historical information where appropriate and/or available.

Criteria JORC Code explanation Commentary
Sampling
techniques		 •
Nature and quality of sampling (eg cut
channels, random chips, or specific
specialised industry standard
measurement tools appropriate to the
minerals under investigation, such as
down hole gamma sondes, or handheld
XRF instruments, etc). These examples
should not be taken as limiting the broad
meaning of sampling.
•
Include reference to measures taken to
ensure sample representivity and the
appropriate calibration of any
measurement tools or systems used.
•
Aspects of the determination of
mineralisation that are Material to the
Public Report.
•
In cases where ‘industry standard’ work
has been done this would be relatively
simple (eg ‘reverse circulation drilling
was used to obtain 1 m samples from
which 3 kg was pulverised to produce a
30 g charge for fire assay’). In other cases
more explanation may be required, such
as where there is coarse gold that has
inherent sampling problems. Unusual
commodities or mineralisation types (eg		 •
Croesus Mining N.L; All samples were dried, crushed and split to obtain a sample less than 3.5kg, and finely
pulverised prior to a 50gm charge being collected for analysis by fire assay.
•
Monarch Gold Mining Company Ltd; Industry standard work. RC samples collected and sent to certified laboratories
for crushing, pulverising and assay by fire assay (RC) and aqua regia (RAB).
•
Pancontinental Mining Ltd; Samples (>2kg) were crushed to 1mm, 1kg split taken and pulverised to 90% minus 20
mesh from which a 50gm aliquot was taken for assay by aqua regia or fire assay.
•
Consolidated Gold N.L/DPPL (Davyhurst Project PTY. LTD.); Industry standard work, RAB samples crushed, pulverised
and a 50g charge taken for fire assay. 200gm soil samples oven dried, and pulverised, 50g charge taken for aqua
regia assay.
•
Riverina Resources Pty Ltd; Industry standard work. RAB samples taken every metre, composited to 4m using a
spear. Samples crushed, pulverised and 50g charge taken for fire assay. RC four metre composite samples were
collected using a sample spear. RC and diamond samples crushed, pulverised and 50g charge taken for fire assay
and/or 4 acid digest. Any gold anomalous 4m composite samples were re-sampled over 1m intervals using a riffle
splitter and also sent to Kalgoorlie Assay Laboratory for gold analysis by 50g fire assay.
•
Barra Resources Ltd; Industry standard work. The entirety of each hole was sampled. Each RC and RAB hole was
initially sampled by 4m composites using a spear or scoop. To obtain a representative sample, the entire 1m
sample was split using a riffle splitter into a calico bag. Whole diamond core samples for ore zones were sampled.
Entire samples were pulverised before splitting and a 50g charge taken for fire assay.
•
Greater Pacific Gold; Core sampling method unknown, assumed to be cut half core. RC sampling method unknown.
Analysis method unknown. However, work completed by accredited laboratories, Analabs and Genalysis.
•
Carpentaria Exploration Company Pty Ltd; Samples were collected over 1m intervals. 1m, 2m and 4m composite
samples taken depending on the rock type. Composite samples were collected using a sample spear. About 2kg
samples were despatched for analysis. Samples crushed, pulverised and a 50g charge taken for fire assay.
•
Malanti Pty Ltd; Industry standard work. 1m samples were collected via a cyclone and passed through a triple
splitter giving a 12.5% split of about 2kg. A trowel was used to scoop the samples for composites over 4m and 6m
intervals. Samples for assay were then taken with composite intervals based ongeology. Many of the single splits

18

submarine nodules) may warrant
disclosure of detailed information.		 were selected for assay in the first instance. Samples packed in poly weave bags were freighted for analysis.
Sample crushed, pulverised and a 50g charge taken for fire assay.
•
Riverina Gold Mines NL; Industry standard work, Composited RAB and 1m RC samples assayed by laboratory.
Samples crushed, pulverised and a 50g charge taken for aqua regia analysis.
•
Riverina Gold NL; RAB samples were bulked at 2m intervals. RC holes were sampled at 1m intervals. Diamond core
samples were taken at geological boundaries, sample method unknown. All samples crushed, pulverised and a
charge taken for fire assay (Au) and perchloric acid digest/AAS for other elements.
•
Ora Banda Mining Limited (OBM) - 1m RC samples using face sampling hammer with samples collected under cone
splitter. 4m composite RC samples collected using a PVC spear from the sample piles at the drill site. For drilling
up to April 2020, RC samples were dispatched for pulverising and 50g charge Fire Assay. For drillholes RVRC20036 to
RVRC20104 inclusive, 1m and 4m composite samples were dispatched to the lab, crushed to a nominal 3mm, split
to 500 grams and analysed by Photon Assay method at MinAnalytical in Kalgoorlie. 4m composite samples with gold
values greater than 0.2 g/t Au were re-sampled as 1m split samples and submitted to the lab for Photon Assay
analysis. Half-core samples, cut by automated core saw. Core sample intervals selected by geologist and defined
by geological boundaries. Samples are crushed, pulverized and a 40g charge is analysed by Fire Assay. For all
drilling in 2022, - 1m RC samples using face sampling hammer with samples collected under cone splitter. 4m
composite RC samples were taken outside of mineralised zone, collected using a scoop from the sample piles at
the drill site. 1m cone spilt samples were taken within the expected mineralised zones. Core sample intervals
selected by geologist and defined by geological boundaries. All samples were dispatched to the SGS laboratory at
the Davyhurst site for pulverising. Prepared samples were then despatched to SGS laboratories in Kalgoorlie for a
50g charge Fire Assay.
•
Ora Banda Mining Limited (OBM) – underground diamond drilling - Core sample intervals selected by geologist and
defined by geological boundaries. All samples were dispatched to the SGS laboratory at the Davyhurst site for
pulverising. Prepared samples were then despatched to SGS laboratories in Kalgoorlie for a 50g charge Fire Assay.
Underground face sample (rock chips by hammer) intervals selected by geologist and defined by geological
boundaries. All samples were dispatched to the SGS laboratory at the Davyhurst site for pulverising. Prepared
samples were then despatched to SGS laboratories in Kalgoorlie for a 50g charge Fire Assay.
Drilling
techniques		 •
Drill type (eg core, reverse circulation,
open-hole hammer, rotary air blast,
auger, Bangka, sonic, etc) and details (eg
core diameter, triple or standard tube,
depth of diamond tails, face-sampling bit
or other type, whether core is oriented
and if so, by what method, etc).		 •
Croesus Mining N.L; Auger samples were drilled by Prodrill Pty Ltd using Toyota mounted auger rig. RAB holes were
drilled by either Kennedy, or Arronika or Challenge Drilling of Kalgoorlie. Challenge drilling employed a custom
built RAB/AC rig. RC holes were drilled by Ausdrill Pty Ltd and diamond holes were drilled by Sandersons. Core was
oriented.
•
Monarch Gold Mining Company Ltd; Aircore and RAB holes were drilled by Challenge Drilling. All RC holes were
drilled by Kennedy Drilling Contractors with 51/2” hammer.
•
Pancontinental Mining Ltd; Drilling was undertaken by Davies Drilling of Kalgoorlie using a Schramn T64 rig.
•
Consolidated Gold N.L/DPPL; Auger samples were collected using a power auger fitted to a 4WD vehicle. RAB drilling
was undertaken by Bostech Drilling Pty Ltd.
•
Riverina Resources Pty Ltd; RC holes drilled with 51/4” hammer. Unknown diamond core diameter.
•
Barra Resources Ltd; Holes were drilled by Resource Drilling Pty Ltd using a Schramm 450 drill rig.
•
Greater Pacific Gold; Schramm RC Rig with face sampling hammer, 51/8” diameter. NQ core, Edson Rig
•
Carpentaria Exploration Company Pty Ltd; RC drillingby Robinson contractors. Face samplinghammer used.

19

•
Malanti Pty Ltd; Holes were drilled by Redmond Drilling of Kalgoorlie using a truck mounted Schramm rig with a
compressor rated at 900 cfm 350 psi.
•
Riverina Gold Mines NL; Vacuum holes were drilled by G & B Drilling using a Toyota Landcruiser mounted Edsom
vacuum rig fitted with a 2 inch (5.08cm) diameter blade. RAB holes were drilled by PJ and RM Kennedy using a
Hydro RAB 50 drill rig mounted on a 4 wheel Hino truck with 600 cfm/200 PSI air capacity. A 51/4 inch hammer and
blade were used. RC holes were drilled by either Civil Resources Ltd using an Ingersoll Rand T4W heavy duty
percussion rig fitted with a 900 cfm at 350 PSI air compressor and a 51/4 inch (13,34cm diameter) RC hollow
hammer or by Swick Drilling using an Ingersoll Rand TH 60 reverse circulation drill rig with 750 cfm/350 PSI air
capacity and a 51/4 inch RC hollow hammer or by B. Stockwell of Murray Black’s Spec Mining Services using a rig
mounted on an 8 x 4 Mercedes.
•
Riverina Gold NL; RC hole were drilled by Green Drilling using Schramm T66 rig. Diamond holes were drilled by
Longyear. Diamond holes were sometimes drilled with a RC pre-collar, HQ core and a NQ2 core drilled.
•
OBM – 5.25 to 5.5 inch diameter RC holes using face sampling hammer with samples collected under cone splitter.
HQ and HQ3 coring to approx. 40m, then NQ2 to BOH. Metallurgical and geotechnical core holes drilled using HQ3
exclusively. All core oriented by reflex instrument. All core drilled in 2022 was orientated by Axis instrument.
•
Ora Banda Mining Limited (OBM) – underground diamond drilling – NQ2 coring with standard tubing (triple tubing
for geotechnical), all core is oriented by Axis Champ Ori tool , rig alignment via DeviAligner tool, downhole surveys
via DeviGyro-Ox tool.
Drill sample
recovery		 •
Method of recording and assessing core
and chip sample recoveries and results
assessed.
•
Measures taken to maximise sample
recovery and ensure representative
nature of the samples.
•
Whether a relationship exists between
sample recovery and grade and whether
sample bias may have occurred due to
preferential loss/gain of fine/coarse
material.		 •
Auger, RAB and RC drill recoveries were not recoded by Croesus Mining N.L, Monarch Gold Mining Company Ltd,
Pancontinental Mining Ltd, Consolidated Gold N.L/DPPL, Riverina Resources Pty Ltd, Barra Resources Ltd,
Carpentaria Exploration Company Pty Ltd, Malanti Pty Ltd, Riverina Gold Mines NL or Riverina Gold Mines NL.
However Monarch, in a Riverina resource report state that “Good recoveries for RMRC series RC drilling were
observed. Minor water was encountered in 27 of the RMRC series drill holes”
•
Diamond Core recoveries are very high due to the competent ground. Any core recovery issues are noted on core
blocks and logged.
•
OBM - Diamond drill recoveries are recorded as a percentage calculated from measured core against downhole
drilled intervals (core blocks).
•
Ora Banda Mining Limited (OBM) – underground diamond drilling – Diamond drill recoveries are recorded as a
percentage calculated from measured core against metre marks and noted core loss blocks from driller’s rod
counts. Underground face sampling domains marked up, with chip samples taken along the sample line per
domain to reduce sampling bias.
•
There is no known relationship between sample recovery and grade.
Logging •
Whether core and chip samples have
been geologically and geotechnically
logged to a level of detail to support
appropriate Mineral Resource
estimation, mining studies and
metallurgical studies.		 •
Croesus Mining N.L; RAB drill logs were recorded both on paper and later electronically by a Casiopia datalogger.
Diamond core was geologically, geotechnically and magnetic susceptibility logged. Qualitative: alteration, colour,
contact, grainsize, joint, matrix, texture, rocktype, mineral, structure, sulphide, percent sulphide, vein type,
percent vein, weathering. Quantitative; percent sulphide, percent vein. Diamond core was photographed.
•
Monarch Gold Mining Company Ltd; Qualitative: lithology, mineralisation code, alteration, vein code, sulphide
code. Quantitative; percent mineralisation, alteration intensity, percent vein, percent sulphide.

20

•
Whether logging is qualitative or
quantitative in nature. Core (or costean,
channel, etc) photography.
•
The total length and percentage of the
relevant intersections logged.		 •
Pancontinental Mining Ltd; All drill data was recorded on computer forms and the lithological descriptions were
produced by Control Data’ Bordata program. Qualitative: colour, weathering, minerals, grainsize, rock, structure,
alteration. Quantitative: alteration intensity.
•
Consolidated Gold N.L/DPPL; Holes were logged at 1m intervals using a standard logging sheet directly onto a
palmtop logger. Qualitative: colour, weathering, minerals, grainsize, rock, structure, alteration. Quantitative:
alteration intensity.
•
Riverina Resources Pty Ltd; Qualitative: lithology, minerals, oxidation, colour, grain, texture, texture intensity,
alteration, sulphide, comments. Quantitative: alteration intensity, percent sulphide, percent quartz veins.
•
Barra Resources Ltd; Each meter from all RC drill holes was washed, sieved and collected in chip trays and stored
at the Barminco First Hit Mine office. These rock chips were geologically logged using the Barminco Pty Ltd
geological logging codes. This data was manually recorded on logging sheets or captured digitally using a HP
Jornada hand held computer utilising the Micromine Field Marshall program and entered into a digital database at
the Barminco First Hit Mine office. Each diamond drill holes was recovered according to the driller’s core blocks
and metre marked. The core was logged to the centimetre, and samples were marked up accordingly. The core
was geologically logged using the Barminco Pty Ltd geological logging codes. This data was manually recorded on
logging sheets in the field and entered into a digital database at the Barminco First Hit Mine office. Qualitative:
qualifier, lithology, mineralisation, alteration, grain size, texture, colour, oxidation. Quantitative; percentage of
quartz and sulphide. Core was photographed.
•
Greater Pacific Gold; Qualitative logging of lithology, oxidation, alteration and veining.
•
Carpentaria Exploration Company Pty Ltd; Qualitative: description. Quantitative; percent oxidation, percent quartz,
percent pyrite.
•
Malanti Pty Ltd; Qualitative: description. Quantitative; percent quartz. Logged on a metre basis.
•
Riverina Gold Mines NL; Qualitative for Vacuum holes: colour, grain size, alteration minerals, rock type, structure,
vein type, sulphides, oxidation and comments. Quantitative for Vacuum holes; percent veins, percent sulphides.
Qualitative for RAB holes and RC holes from RV110 to RV295: colour, grain size, alteration minerals, rock type,
fabric, vein type, sulphides, oxidation and comments. Quantitative RAB holes and RC holes from RV110 to RV295;
percent veins, percent sulphides. Qualitative for RC holes from RV296 to RV350: geology, oxidation, colour and
description. Quantitative for RC holes from RV296 to RV350; percent quartz.
•
Riverina Gold NL; Qualitative: RQD, lithology, mineralisation, alteration, weathering, veining, fracturing.
Quantitative: percent quartz.
•
OBM - Field logging was conducted using Geobank MobileTMsoftware on Panasonic Toughbook CF-31 ruggedized
laptop computers. Qualitative logging: Lithology, colour, oxidation, grainsize, texture, structure, hardness, regolith.
Quantitative: estimates are made of quartz veining, sulphide and alteration percentages. Core photographed both
wet and dry. Magnetic susceptibility and RQD were also recorded for core holes.
•
Ora Banda Mining Limited (OBM) – underground diamond drilling – Qualitative logging: Lithology, texture,
alteration, mineralisation/sulphides, structure, veining. Quantitative: estimates are made of veining, sulphide and
alteration percentages, RQD measurements, core density measurements, core recovery per metre, fractures per
metre. Core photographed both wet and dry. Underground face sampling domain logging of lithology, veining,
alteration, mineralisation/sulphides with each face mapped and photographed.
•
All holes were geologically logged in their entirety to a level of detail to support mineral resource estimation.

21

Sub-
sampling
techniques
and sample
preparation		 •
If core, whether cut or sawn and whether
quarter, half or all core taken.
•
If non-core, whether riffled, tube
sampled, rotary split, etc and whether
sampled wet or dry.
•
For all sample types, the nature, quality
and appropriateness of the sample
preparation technique.
•
Quality control procedures adopted for
all sub-sampling stages to maximise
representivity of samples.
•
Measures taken to ensure that the
sampling is representative of the in situ
material collected, including for instance
results for field duplicate/second-half
sampling.
•
Whether sample sizes are appropriate to
the grain size of the material being
sampled.		 •
Croesus Mining N.L; Auger samples were taken from an average depth of 1.5m to 2m. RAB and Aircore samples
were collected in buckets below a free standing cyclone and laid out at 1m intervals in rows of tens adjacent to the
drill collar. Composite analytical samples (~3.5kg) were initially collected over 5m intervals for each hole and a 1m
bottom of hole analytical sample. Analytical composite samples were formed by taking a representative scoop
through each 1m drill sample. RC drill samples were collected in large plastic retention bags below a freestanding
cyclone at 1m intervals, with analytical samples initially formed by composite sampling over 5m intervals. Where
samples were dry, analytical composites were formed by spear sampling, using a 50mm diameter plastic pipe
pushed through the drill cuttings in the sample retention bag to the base of the bag. The pipe is removed carefully
with the contents of the pipe containing a representation of the retained metre. Wet RC drill samples where
thoroughly mixed in the sample retention bag and ‘scoop’ sampled to form a 5m composite sample. HQ diamond
core was cut into halves and sampled on geological boundaries, to a minimum of 20cm samples or on a metre
basis on site. The diamond core was cut using a diamond saw, with half core being submitted to the laboratory for
analysis and the other stored. Field samples were taken for RAB, RC and diamond core samples at a rate of 1 in 20.
Composite analytical samples returning values greater than 0.1 g/t Au were re-sampled at 1m intervals.
•
Monarch Gold Mining Company Ltd; Drill hole samples were collected at 4m and 3m composite intervals. All
samples at ALS Kalgoorlie were sorted, dried, split via a riffle splitter using the standard splitting procedure
laboratory Method Code SPL-21, pulverised in a ring mill using a standard low chrome steel ring set to >85%
passing 75 micron. If sample was >3 kg it was split prior to pulverising and the remainder retained or discarded. A
250g representative split sample was taken, the remaining residue sample stored and a 50gm sample charge was
taken for analysis. All samples at Ultra Trace Pty Ltd were sorted, dried, a 2.5 – 3kg sample was pulverized using a
vibrating disc, was split into a 200-300g subsample and the residue sample stored. A 40grm charge was taken for
analysis. Composite samples returning anomalous values were sampled at 1m intervals using a scoop. For both RC
and RAB drilling a duplicate sample was collected at every 25th sample, and a standard sample was submitted
every 20th sample.
•
Pancontinental Mining Ltd; RC samples were collected in plastic bags directly from the cyclone at 1m intervals,
split twice through a sample splitter before splitting off a 2kg sample for analysis. Samples were crushed to 1mm,
1kg split taken and pulverised to 90% minus 20 mesh from which a 50gm aliquot was taken. Field samples were
taken at a rate of 1 in 10 and results show a good correlation with the original values. Samples sent to SGS were
dried, jaw and roll crushed, split and pulverised in a chromium steel mill.
•
Consolidated Gold N.L/DPPL; Auger samples were collected at a nominal depth of 1.5m or blade refusal.
Approximately 200gm of material was placed into pre-numbered paper geochemical bags. Sample numbers were
entered into a datalogger linked to the GPS unit to ensure accuracy. RAB samples were collected a 1m intervals
and used to create a 4m composite sample. Samples were oven dried, pulverised in a single stage grinding bowl
until about 90% of the material passed 75 micron. A 50gm split sample was taken for analysis. Composite samples
returning values greater than 0.19 Au g/t were sampled at 1m intervals.
•
Riverina Resources Pty Ltd; Auger soil samples were collected from a depth of 1.8m or blade refusal. RAB and RC
4m composites were taken using a sample spear. Samples were dried, crushed, split, pulverised and a 50gm
charge taken. Composite samples returning anomalous gold values were sampled at 1m intervals using a sample
spear.
•
Barra Resources Ltd; Every metre of the drilling was collected through a cyclone into a large green plastic bag and
lined up in rows near the hole in rows of 20. The entirety of each hole was sampled. Each hole was initially
sampled by 4m composites usinga spear or scoop. Once each hole was logged, intervals considered to be

22

geologically significant were re-sampled at 1m intervals. To obtain a representative sample, the entire 1m sample
was split using a riffle splitter into a calico bag. Whole diamond core samples for ore zones were sampled.
Samples greater than 2.5kg were riffle split to <2.5kg using a Jones riffle splitter. The entire sample was then
pulverised in a Labtechnics LM5 to better than 85% passing 75 microns. A 50gm pulp was taken for assaying in
appropriately numbered satchels. Composite samples that returned gold assays greater than 0.1 g/t Au and that
had not been previously sampled at 1m intervals, were re-sampled at 1m intervals. In addition, any highly
anomalous 1m samples were also sampled again to confirm their assay results.
•
Greater Pacific Gold; Sample preparation for RC and core sample unknown.
•
Carpentaria Exploration Company Pty Ltd; Samples were collected over 1m intervals. 2m and 4m composite
samples were collected using a sample spear. About 2kg samples were despatched for analysis. Samples were
dried, crushed, split, pulverised and a charge taken for analysis.
•
Malanti Pty Ltd; 1m samples were collected in plastic bags via a cyclone and passed through a triple splitter giving
a 12.5% split of about 2kg which was placed in a calico bag and marked with the drill hole number and interval
sampled. The 87.5% was returned to the similarly numbered large plastic bag and laid in rows on site. A trowel was
used to scoop the samples for composites over 4m and 6m intervals. Samples for assay were then taken with
composite intervals based on geology. Many of the single splits were selected for assay in the first instance.
Samples packed in poly weave bags were freighted for analysis. Samples were dried, crushed, split, pulverised and
a 50gm charge taken. RC Samples with anomalous composite assays were split and submitted for analysis.
•
Riverina Gold Mines NL; Vacuum hole samples were collected every metre and split. RAB samples were taken every
metre through a cyclone and riffle split to a quarter and composited to 4m intervals. RC samples were taken every
metre through a cyclone after being riffle split to a quarter and some composited to 4m. The residue remained on
site in plastic bags whilst the quarter split was sent for analysis. For vacuum holes RVV70 to RVV125, a 30grm was
taken. RC samples from holes RV110 to RV164 and vacuum hole samples were dried, crushed to nominal 3mm and
a 1,000 gram split was taken for pulverising until 90% passed minus 75 microns. A 25grm charge was taken. RC
samples from holes RV230 to RV350 were totally pulverised and a 50 grm charge taken. 4m RAB composite samples
returning anomalous values greater than 0.1 g/t Au were sampled at 1m intervals.
•
Riverina Gold NL; RAB samples were bulked at 2m intervals. RC holes were sampled at 1m intervals. Diamond core
samples were taken at geological boundaries. Samples were crushed, split, pulverised and a charge taken for
analysis.
•
OBM – RC samples were submitted either as individual 1m samples taken onsite from cone splitter or as 4m
composite samples speared from the onsite drill sample piles. Half core samples, cut by saw. Core sample
intervals selected by geologist and defined by geological boundaries. For drilling up to April 2020, RC samples were
dried, crushed, split, pulverised and a 50gm charge taken. For drillholes RVRC20036 to RVRC20104 inclusive, 1m
and 4m composite samples were dispatched to the lab, crushed to a nominal 3mm, split to 500 grams and
analysed by Photon Assay method at MinAnalytical in Kalgoorlie. 4m composite samples with gold values greater
than 0.2 g/t Au were re-sampled as 1m split samples and submitted to the lab for Photon Assay analysis. For all
drilling in 2022, - RC samples were submitted either as individual samples taken from the onsite cone splitter or as
four metres composite samples taken by metal scoop. Core sample intervals selected by geologist and defined by
geological boundaries, cut by saw and submitted as half core. All samples were dispatched to the SGS laboratory at
the Davyhurst site for pulverising. Prepared samples were then despatched to SGS laboratories in Kalgoorlie for a
50gcharge Fire Assay (GO_FAP50V10). Field duplicates, blanks and standards were submitted for QAQC analysis.

23

•
Ora Banda Mining Limited (OBM) – underground diamond drilling – Core sample intervals selected by geologist and
defined by geological boundaries, selected holes cut by saw and submitted as half core and remainder of holes are
whole-core sampled. All samples were dispatched to the SGS laboratory at the Davyhurst site for crushing and
pulverising. Prepared samples were then despatched to SGS laboratories in Kalgoorlie for a 50g charge Fire Assay
(GO_FAP50V10). Flushes, blanks and standards were submitted for QAQC analysis. Underground face samples as
per diamond drilling, including field duplicates, rock chip samples taken via hammer sampling per geology
domain.
•
Repeat assays were undertaken on pulp samples at the discretion of the laboratory.
Quality of
assay data
and
laboratory
tests		 •
The nature, quality and appropriateness
of the assaying and laboratory
procedures used and whether the
technique is considered partial or total.
•
For geophysical tools, spectrometers,
handheld XRF instruments, etc, the
parameters used in determining the
analysis including instrument make and
model, reading times, calibrations
factors applied and their derivation, etc.
•
Nature of quality control procedures
adopted (eg standards, blanks,
duplicates, external laboratory checks)
and whether acceptable levels of
accuracy (ie lack of bias) and precision
have been established.		 •
Croesus Mining N.L; Auger samples were sent to Ultratrace Laboratories, Perth, to be assayed for gold using the
Aqua Regia method with a detection limit of 1ppb. RAB, aircore, RC and diamond samples were sent to Ultratrace
Laboratories in Perth to be analysed for gold using Fire assay/ICP Optical Spectrometry. Diamond core check
samples were analysed at Genalysis of Perth. Some diamond core samples were also analysed for platinum and
palladium by fire assay.
•
Monarch Gold Mining Company Ltd; RC samples were sent to ALS Kalgoorlie to be analysed gold by fire assay (lab
code Au-AA26). This was completed using a 50grm sample charge that was fused with a lead concentrate using the
laboratory digestion method FA-Fusion and digested and analysed by Atomic Absorption Spectroscopy against
matrix matched standard. RC samples were also sent to Ultra Trace Pty Ltd, Canning Vale Western Australia for gold
analysis by lead collection fire assay. Samples were also analysed for palladium and platinum. The Quality control
at ALS involved 84 pot fire assay system. The number and position of quality control blanks, laboratory standards
and repeats were determined by the batch size. Three repeat samples were generally at position 10, 30, 50 of a
batch and the control blanks (one blank) at the start of a batch of 84 samples. The laboratory standards were
inserted randomly and usually two certified internal standards were analysed with a batch, but it was at the
discretion of the ‘run builder’ as to how many standards to add to the batch and where to place them in the run.
QAQC at Ultra Trace Pty Ltd was undertaken for every 27th sample. At random, two repeat samples were chosen,
one laboratory standard was inserted and one check sample was taken. The check sample was chosen if the first
pass of fire assay shows anomalous value.
•
Pancontinental Mining Ltd; Samples were sent to Genalysis Laboratory Services Pty Ltd in Perth to be analysed for
gold with a detection limit of 0.01 ppm. They were also analysed for gold at SGS laboratory using aqua regia with
AAS finish. A number of samples with an assay greater than 0.2 ppm were re-assayed by fire assay. Laboratory
standards indicated reasonable accuracy.
•
Consolidated Gold N.L/DPPL; Auger samples were submitted to ALS Pty Ltd in Perth to be analysed for gold to a
detection limit of 0.001ppm using ALS’s PM2005 graphite furnace/AAS technique. Samples were also analysed for
calcium, magnesium and arsenic using ALS’s IC205 technique. RAB samples were submitted to Minlab Pty Ltd
Kalgoorlie to be analysed for gold by fire. Some samples were also sent to Amdel Laboratories Ltd Kalgoorlie for
gold analysis by fire assay method FAI.
•
Riverina Resources Pty Ltd; Auger soil samples were sent to Ultra Trace in Perth to be analysed for gold and arsenic
using an aqua regia digest and determination by ICP-MS. RC samples were submitted to Kalgoorlie Assay
Laboratory for gold analysis by 50gm fire assay. Samples from holes GNRC012 to GNRC020 were also sent
Kalgoorlie Assay Laboratory for gold and nickel analysis using a four-acid digest and gold analysis by 50g fire assay.
Martin Zone samples were to Kalgoorlie Assay Laboratories to be assayed Ni, Co, Cr, Cu, Mg, Mn, Fe, S, As, Al, Ca, and
Zn usinga four acid digest with ICP-OES finish and for Au usinga 50gm fire assay digest with flame AAS finish. Some

24

samples were also sent to Ultra Trace in Perth for analysis. 312 end of hole RAB samples from the Forehand
Prospect were sent to AusSpec International in Sydney for HyChips spectral analysis developed by AusSpec
International and CSIRO capable of analysing dry samples stored in chip trays at a rate of at least 1,600 per day.
This was undertaken to identify alteration minerals, weathered clays, Fe oxides, and weathering intensity as well
as sample mineralogy including mineral crystallinity and mineral composition. (Results are in appendix 4 of
Riverina Project Combined ATR 2006.pdf). Down Hole Electro-Magnetic (DHEM) surveys were conducted in RC drill
holes GNRC001, GNRC003 and GNRC004 and three diamond drill holes. These surveys were completed by Outer Rim
Exploration Services using a Crone Pulse EM probe. (Southern Geoscience Consultants were contracted to plan the
DHEM surveys and interpret the results).
•
Barra Resources Ltd; Auger samples were sent to Ultra Trace Analytical Laboratories in Perth to be analysed for
gold and arsenic. Gold was determined by Aqua Regia with ICP-Mass Spectrometry to a detection limit of 0.2ppb.
All RC pulp samples were sent to Kalgoorlie Assay Laboratories or Australian Laboratory Services Pty Ltd (ALS) in
Kalgoorlie for gold analysis. Gold analysis was completed using the 50gm fire assay technique with an AAS finish to
a detection limit of 0.01ppm. Each was weighed and data captured, with the charge then intimately mixed with
flux. Mixed sample and flux were fused in a ceramic crucible at 1100oC in a reducing furnace. Molten mass was
then poured into moulds and allowed to cool. Lead button removed and placed in a cupellation furnace. The
resultant dore bead was parted and digested, being made up to volume with distilled water. The analyte solution
was aspirated against known calibrating standards using AAS. All diamond core sample pulps were sent to Leonora
Laverton Assay Laboratory Pty Ltd to be assayed for gold by fire with an AAS finish to a detection limit of 0.01ppm Au.
Some drill hole samples were analysed for gold (Fire assay/ICP Optical Spectrometry) by Ultratrace Laboratories in
Perth.
•
Greater Pacific Gold; 1m RC samples submitted to Analabs for Au, Ag, Cu, Pb, Zn, As and Ni analysis. Core samples
submitted to Genalysis for Au, Ag, Cu, Pb, Zn, As and Ni analysis. Ore zone samples submitted to Minlab for re-assay.
Screen fire assay performed on ore zone pulps.
•
Carpentaria Exploration Company Pty Ltd; Samples were sent to Australian Assay Laboratories Group in Leonora to
be analysed for gold with a detection limit of 0.01 g/t Au by fire assay. Repeat assays undertaken for about 1
sample in 20. Field duplicates and standards routinely submitted with assay batches.
•
Malanti Pty Ltd; RC samples from RRC1 to RRC7 holes were sent to Aminya Laboratories Pty Ltd, Ballarat, Victoria, to
be analysed for gold by fire assay with a detection limit of 0.01 g/t Au. RC samples from holes RRC8 to RRC12
submitted to Minesite Reference Laboratories, Wangara, Western Australia to be analysed for gold by Fire Assay of
50g charge (code FA50) with a 0.01ppm lower detection limit. About 1 in 20 assays was either a repeat or duplicate.
•
Riverina Gold Mines NL; RC samples from holes RV110 to RV164 and vacuum hole samples were sent to Leonora
Laverton Assay Laboratory Pty Ltd, Leonora, to be analysed for gold. The charge was dissolved in aqua-regia/solvent
digest with a double ketone backwash and then assayed using AAS techniques with a detection limit of 0.02ppm.
RC samples from holes RV230 to RV350, vacuum samples from holes RVV126 to RVV204 and RAB composite samples
were sent to Multilab Pty Ltd in Kalgoorlie to be analysed for gold. The 50grm samples were digested in aqua regia
and assayed by AAS techniques with a detection limit of 0.01ppm. Other RC samples were sent to Minlab in Perth to
be analysed for gold using the aqua regia digest and AAS finish. For vacuum and RAB samples, about 1 in 10 assays
was a repeat. For RC holes from RV110 to RV164 and vacuum holes, at least 10 percent of a bulk order was repeated
as a laboratory duplicate for quality control.
•
Riverina Gold NL; RAB samples were analysed for gold, silver, arsenic, lead, zinc, copper and nickel. RC samples
were despatched to Genalysis to be analysed forgold by Aqua Regia/ AAS method. Diamond samples were set to

25

Analabs in Kalgoorlie to be analysed for gold by fire with fusion AAA, copper, lead and silver by ASS with perchloric
acid digestion and, arsenic by ASS with vapour generation and density using an air pycnometer.
•
OBM – Up to April 2020, all samples were sent to an accredited laboratory (Nagrom Laboratories in Perth, Intertek-
Genalysis in Kalgoorlie or SGS in Kalgoorlie). The samples have been analysed by firing a 50gm portion of the
sample. This is the classical fire assay process and will give total separation of gold. An ICPOES finish is used.
Commercially prepared standard samples and blanks are inserted in the sample stream at a rate of 1:12. Sizing
results (percentage of pulverised sample passing a 75μm mesh) are undertaken on approximately 1 in 40 samples.
The accuracy (standards) and precision (repeats) of assaying are acceptable. For drillholes RVRC20036 to
RVRC20104, 1m and 4m composite RC samples were sent to MinAnalytical Laboratory Services in Kalgoorlie. Sample
prep involves drying and a -3mm crush, of which 500 grams is linear split into assay jars for analysis. Samples are
analysed by the Photon assay method which utilises gamma radiation to excite the nucleus of the target atoms
(gold). The excited nucleus then emits a characteristic photon, which is counted to determine the abundance of
gold in the sample. For all drilling in 2022, All samples were sent to the accredited onsite SGS laboratory at
Davyhurst for sample preparation. Prepared samples were then despatched to SGS laboratories in Kalgoorlie for a
50g charge Fire Assay (GO_FAP50V10) with MP-AES finish. Commercially prepared standard samples and blanks are
inserted in the sample stream at an average rate of 1:25. Sizing results (percentage of pulverised sample passing a
75μm mesh) are undertaken on approximately 1 in 20 samples. The accuracy (standards) and precision (repeats) of
assaying are acceptable. Standards and blanks were inserted into the sample stream at a rate of approximately
1:12. Duplicates were submitted at a rate of approximately 1:30. The accuracy (standards) and precision (repeats)
of assaying are acceptable.
•
Ora Banda Mining Limited (OBM) – underground diamond drilling – All samples were sent to the accredited onsite
SGS laboratory at Davyhurst for sample preparation. Prepared samples were then despatched to SGS laboratories in
Kalgoorlie for a 50g charge Fire Assay (GO_FAP50V10) with MP-AES finish. Commercially prepared standard samples
and blanks are inserted in the sample stream at an average rate of 1:20. Sizing results (percentage of pulverised
sample passing a 75μm mesh) are undertaken on approximately 1 in 20 samples. The accuracy (standards) and
precision (repeats) of assaying are acceptable. The accuracy (standards) and precision (repeats) of assaying are
acceptable. Face samples assayed as per diamond core, including a field duplicate per face.
•
Fire assay is considered a total technique, Aqua Regia is considered partial. The Photon assay method is
considered a total technique and is non-destructive.
Verification
of sampling
and assaying		 •
The verification of significant
intersections by either independent or
alternative company personnel.
•
The use of twinned holes.
•
Documentation of primary data, data
entry procedures, data verification, data
storage (physical and electronic)
protocols.
•
Discuss any adjustment to assay data.		 •
Holes are not deliberately twinned.
•
OBM - Geological and sample data logged directly into field computer at the drill rig or core yard using Field
Marshall or Geobank Mobile. Data is transferred to Perth via email or through a shared server and imported into
Geobank SQL database by the database administrator (DBA). Assay files are received in .csv format and loaded
directly into the database by the DBA. Hardcopy and/or digital copies of data are kept for reference if necessary.
•
Monarch Gold Mining Company Ltd; Geological and sample data was logged digitally and .csv or .xls files imported
into Datashed SQL database with in-built validation. Samples bags were put into numbered plastic bags and then
cable tied. Samples collected daily from site by laboratory.
•
Data entry, verification and storage protocols for remaining operators is unknown.
•
No adjustments have been made to assay data.

26

Location of
data points		 •
Accuracy and quality of surveys used to
locate drill holes (collar and down-hole
surveys), trenches, mine workings and
other locations used in Mineral Resource
estimation.
•
Specification of the grid system used.
•
Quality and adequacy of topographic
control.		 •
Croesus Mining N.L; All drilling was located using a Trimble/Omnistar DGPS with an accuracy of plus or minus 1m.
Down hole surveys were either as planned or taken using electronic multi shot camera. The gird system used is
AGD 1984 AMG Zone 51.
•
Monarch Gold Mining Company Ltd; The collar co-ordinates of aircore and RAB holes and RC holes RMRC001 to
RMRC085 were surveyed using GPS. The co-ordinates of holes RMRC086 to RMRC177 were surveyed using the
RTKGPS. All surveying was undertaken by staff of Monarch Gold Mining Company Ltd. Down hole surveys were
undertaken every 5m by Ausmine using electronic multi-shot (EMS). The gird system used is GDA94 MGA Zone 51.
•
Pancontinental Mining Ltd; RC drilling at Mulwarrie was surveyed by McGay Surveys. The grid system used is AMG
Zone 51. RAB drilling at Riverina South – holes drilled on local Riverina grid and transformed to MGA using 2 point
transformation. Holes were not routinely downhole surveyed.
•
Consolidated Gold N.L/DPPL; Auger holes located on AMG grid. Some RAB holes were drilled on an AMG grid installed
by Kingston Surveys Pty Ltd of Kalgoorlie. Each 40m grid peg had an accurate (plus or minus 10 cm) northing,
easting and elevation position. Other RAB holes drilled on local grid. Holes located using compass and hip chain
from surveyed baselines. The grid system used is AMG Zone 51. RAB holes not down hole surveyed.
•
Riverina Resources Pty Ltd; Collar co-ordinates were surveyed using a DGPS. Collar azimuth and inclination were
recorded. Downhole surveys for most GNRC holes were by single shot and on rare occasions by gyro. Diamond
holes surveyed by electronic multishot. The gird system used is AGD 1984 AMG Zone 51.
•
Barra Resources Ltd; Collar co-ordinates for northings, eastings and elevation have been recorded. Collar azimuth
and inclination were recorded. Drill hole collar data was collected by the First Hit mine surveyor and down hole
data was collected by the drilling company and passed onto the supervising geologist. The gird system used is
AGD84 Zone 51.
•
Greater Pacific Gold; Collars surveyed on Riverina local Mine grid. 2 point grid transformation translates
coordinates into MGA91 zone 51. Holes downhole surveyed by gyro (Ace Drilling).
•
Carpentaria Exploration Company Pty Ltd; A local Riverina South grid was employed to record collar coordinates.
Holes were not downhole surveyed. Local co-ordinates were transferred to the AMG and MGA grids using a 2-point
transformation.
•
Malanti Pty Ltd; Collar locations of re-sampled RAB holes were noted using a GPS. Holes were not downhole
surveyed. Two grid systems were employed; a local Riverina grid and AGD 1996 AMG Zone 51. Local co-ordinates
were transferred to the AMG and MGA grids using a 2-point transformation.
•
Riverina Gold Mines NL; Collar co-ordinates for northings and eastings and have been recorded. Collar inclination
was recorded. The grid used was the Riverina grid which is oriented to true north. The origin for this grid is
10,000N, 10,000E located at the south west corner of surveyed M30/98.
•
Riverina Gold NL; For diamond holes, down hole surveys were either assumed or taken using an Eastman camera
or gyro. Diamond hole locations surveyed on Riverina local grid. RC and RAB holes located on surveyed Riverina
local grid.
•
Topography has been surveyed by recent operators. Collar elevations are consistent with surrounding holes and
the natural surface elevation.
•
OBM (RC, DD) MGA94, zone 51. Drill hole collar positions were picked up by a contract surveyor using RTKGPS
subsequent to drilling. Drill-hole, downhole surveys are recorded every 30m using a reflex digital downhole
camera. Some RC holes not surveyed if holes short and/or drilling an early stage exploration project. Diamond
drillholes completed in 2019 and 2020 by OBM were surveyed usinga Gyro tool. For all drillingin 2022 Drill hole

27

collar positions were picked up by an OBM mining surveyor using RTKGPS subsequent to drilling. All downhole
surveys were taken every 10m by Gyro.
•
Ora Banda Mining Limited (OBM) – underground diamond drilling – diamond drilling collar locations picked up by
mine surveyors via theodolite and known survey control points. UG diamond drill rig alignment via surveyed collar
locations and DeviAligner tool, downhole surveys via DeviGyro-Ox tool. Underground face sample locations
measured via laser distometer to known surveyed control points and development surveys via theodolite.
Data spacing
and
distribution		 •
Data spacing for reporting of Exploration
Results.
•
Whether the data spacing and
distribution is sufficient to establish the
degree of geological and grade continuity
appropriate for the Mineral Resource and
Ore Reserve estimation procedure(s) and
classifications applied.
•
Whether sample compositing has been
applied.		 •
Exploration results are reported for single holes only.
•
Drill hole spacing is adequate for the current resources reported externally. (Examples are discussed below)
•
Croesus Mining N.L; Auger samples were collected to infill a 250m x 100m grid, Riverina South RAB samples were
collected to infill a 400m x 80m grid and Sunraysia RC drilling was completed on a 40m x 200m grid.
•
Monarch Gold Mining Company Ltd; RAB holes were drilled on 200m x 40m grids and RC holes were drilled on a 20m
x 20m and 40m x 20m grids.
•
Riverina Resources Pty Ltd; Auger soil sampling program was taken over 50m x 50m, 50m x 100m and 50m x 200m
spaced grids, Silver Tongue RAB and RC holes were drilled on 25m x 25m, 25m x 50m and 50mx 50m spaced grids
and Corporate James RAB holes were drilled on 50m x 100m and 25m x 100m spaced grids.
•
Barra Resources Ltd; Auger soil sampling program was taken over 50m x 50m, 50m x 100m and 50m x 200m spaced
grids, Silver Tongue RAB and RC holes were drilled on 25m x 25m, 25m x 50m and 50m x 50m spaced grids,
Corporate James RAB holes were drilled on 50m x 100m and 25m x 100m spaced grids, Forehand RAB and RC holes
were drilled on 50m x 100m, 50m x 50m or 25m x 50m spaced grids and Cactus RC holes were drilled on 10m x 10m,
20m x 20m and 40m x50m spaced grids.
•
Ora Banda Mining Limited (OBM) – underground diamond drilling – typical spacing for grade control purposes is
20m x 20m. Underground face samples are taken each 3m/4m ore development cut.
•
Drill intercepts are length weighted, 1.0g/t lower cut-off, not top-cut, maximum 2m internal dilution.
Orientation
of data in
relation to
geological
structure		 •
Whether the orientation of sampling
achieves unbiased sampling of possible
structures and the extent to which this is
known, considering the deposit type.
•
If the relationship between the drilling
orientation and the orientation of key
mineralised structures is considered to
have introduced a sampling bias, this
should be assessed and reported if
material.		 •
Drilling was oriented at 90oto the strike of mineralisation and inclined at 60o. Examples are discussed below.
•
Croesus Mining N.L; Holes were either vertical or inclined at 60oand oriented towards the west.
•
Monarch Gold Mining Company Ltd; Holes were inclined at 60o and oriented towards the west.
•
Consolidated Gold N.L/DPPL; Holes were inclined at 60oand oriented towards either the west or east.
•
Riverina Resources Pty Ltd; Holes were inclined at 60oand oriented towards either the west or east.
•
Barra Resources Ltd; Holes were either vertical or inclined at 60oand oriented towards the west.
•
Greater Pacific Gold; Holes drilled to the east inclined at -58 to -60. Suitable for sub vertical N-S striking
mineralisation.
•
Carpentaria Exploration Company Pty Ltd; Holes were inclined at 60oand oriented towards either the west or east.
•
Malanti Pty Ltd; Holes were inclined at 60oand oriented towards either the west or east.
•
Riverina Gold Mines NL; Vacuum holes from RVV1 to RVV69 and from RVV126 to RVV204 were drilled vertically.
Vacuum holes from RVV70 to RVV125 were inclined at 60oand oriented either east or west. RAB and RC holes were
inclined at 60oand oriented either east or west.
•
Riverina Gold NL; RC holes were inclined at 60oand oriented either east or west.
•
OBM – RC drilling is predominately inclined at between -50 and -60 degrees towards the west. Drilling inclined to
the east is only done when lodes are deemed to be vertical or if local landforms prevent access.

28

•
Ora Banda Mining Limited (OBM) – underground diamond drilling – collared from decline cuddies in sub-horizontal
and inclined fans cutting across sub-vertical lodes, holes are designed to optimise intersection angles and reduce
bias for Main Lode East and West. Some bias is present for the Murchison lodes, given their close proximity to the
drill cuddies and this impact is mitigated through detailed wall/backs mapping of Murchison lode intersections in
underground workings and future targeted grade control drilling.
Sample
security		 •
The measures taken to ensure sample
security.		 •
Unknown for all drilling except for the following;
•
Barra Resources Ltd. Samples received at the laboratory were logged in ALS Chemex’s unique sample tracking
system. A barcode was attached to the original sample bag. The label was then scanned and the weight of sample
recorded together with information such as date, time, equipment used and operator name.
•
Monarch; Sample calicos were put into numbered plastic bags and cable tied. Any samples that going to SGS were
collected daily by the lab. Samples sent to ALS were placed into sample crates and sent via courier on a weekly
basis.
•
OBM - Samples were bagged, tied and stored in a secure yard on site. Once submitted to the laboratories they are
stored in cages within a secure fenced compound. Samples are tracked through the laboratory via their LIMS.
Audits or
reviews		 •
The results of any audits or reviews of
sampling techniques and data.		 •
OBM has reviewed historic digital data and compared it to hardcopy and digital (Wamex) records.

Section 2 Reporting of Exploration Results - Riverina

(Criteria listed in the preceding section also apply to this section.)

Criteria JORC Code explanation Commentary Commentary Commentary Commentary
Mineral tenement
and land tenure
status		 •
Type, reference name/number,
location and ownership including
agreements or material issues with
third parties such as joint ventures,
partnerships, overriding royalties,
native title interests, historical
sites, wilderness or national park
and environmental settings.
•
The security of the tenure held at
the time of reporting along with any
known impediments to obtaining a
licence to operate in the area.		 •
All tenure pertaining to this report is listed below.
TENEMENT HOLDER AGREEMENTS
M30/256 CARNEGIE GOLD PTY LTD.
•
Carnegie Gold PTY LTD is a wholly owned subsidiary of OBM.
•
There are no known heritage or native title issues.
•
There are no known impediments to obtaining a licence to operate in the area.
Exploration done
by other parties		 •
Acknowledgment and appraisal of
exploration by other parties.		 •
Drilling, sampling and assay procedures and methods as stated in the database and confirmed from Wamex reports
and hard copy records are considered acceptable and to industry standards of the time.

29

Geology •
Deposit type, geological setting and
style of mineralisation.		 •
The geology of the Riverina area consists of an interlayered sequence of meta-basalts, meta-sediments and
ultramafics, rarely cross-cut by narrow pegmatite dykes. The local stratigraphy strikes roughly N-S with primarily
steep east to sub-vertical dips. The area has been affected by upper greenschist to lower amphibolite grade
metamorphism with many minerals exhibiting strong preferred orientations. All rock units exhibit strain via zones
of foliation, with strongly sheared zones more common in ultramafic lithologies. Contemporaneous strike faults
and late stage thrust faults have dislocated the stratigraphy and hence, mineralisation.
•
Gold mineralisation is hosted by quartz-sulphide and quartz-Fe oxide veining primarily in the metabasalts.
Metasediments and ultramafics may also contain gold mineralised quartz veining, although much less abundant.
Gold mineralisation is also seen in silica-biotite-sulphide and silica-sericite-sulphide alteration zones in the
metabasalts.
Drill hole
Information		 •
A summary of all information
material to the understanding of
the exploration results including a
tabulation of the following
information for all Material drill
holes:
o
easting and northing of
the drill hole collar
o
elevation or RL (Reduced
Level – elevation above
sea level in metres) of the
drill hole collar
o
dip and azimuth of the
hole
o
down hole length and
interception depth
o
hole length.
•
If the exclusion of this information
is justified on the basis that the
information is not Material and this
exclusion does not detract from the
understanding of the report, the
Competent Person should clearly
explain why this is the case.		 •
See list of drill intercepts.
Data aggregation
methods		 •
In reporting Exploration Results,
weighting averaging techniques,
maximum and/or minimum grade
truncations (eg cutting of high
grades) and cut-off grades are
usually Material and should be
stated.		 •
Original assays are length weighted. Grades are not top cut. Lower cut off is nominally 1.0g/t. Due to the narrow
nature of mineralisation a minimum sample length of 0.2m was accepted when calculating intercepts. Maximum
2m internal dilution.
•
Metal equivalents not reported.

30

•
Where aggregate intercepts
incorporate short lengths of high
grade results and longer lengths of
low grade results, the procedure
used for such aggregation should
be stated and some typical
examples of such aggregations
should be shown in detail.
•
The assumptions used for any
reporting of metal equivalent
values should be clearly stated.
Relationship
between
mineralisation
widths and
intercept lengths		 •
These relationships are particularly
important in the reporting of
Exploration Results.
•
If the geometry of the
mineralisation with respect to the
drill hole angle is known, its nature
should be reported.
•
If it is not known and only the down
hole lengths are reported, there
should be a clear statement to this
effect (eg ‘down hole length, true
width not known’).		 •
Intercept widths are down hole lengths. True widths are not reported given the varying orientation of drilling and
mineralisation at each deposit/prospect mentioned in the report.
•
The geometry of the mineralisation at Riverina South is approx. N-S and sub vertical. Surface drilling is oriented
perpendicular the strike of the mineralisation. UG drilling from drill cuddy with hole radiating in fans. Holes testing
strike extremities are at lower angles to the ore lode and therefore not true widths, while those perpendicular to
the lode can approximate true widths.
Diagrams •
Appropriate maps and sections
(with scales) and tabulations of
intercepts should be included for
any significant discovery being
reported These should include, but
not be limited to a plan view of drill
hole collar locations and
appropriate sectional views.		 •
See plans, cross-sections and long sections.
Balanced
reporting		 •
Where comprehensive reporting of
all Exploration Results is not
practicable, representative
reporting of both low and high
grades and/or widths should be
practiced to avoid misleading
reportingof Exploration Results.		 •
The location of drill hole intersections is shown on the plans and 2D/3D diagrams and are coloured according to
grade to provide context for the highlighted intercepts
Other substantive
exploration data		 •
Other exploration data, if
meaningful and material, should be
reported including (but not limited
to): geological observations;		 •
Riverina has no known reported metallurgical issues.
•
Results from previous processing have demonstrated that good gold recovery can be expected from conventional
CIL processing methods.
•
Recent baseline metallurgical test work demonstrated the following gold recoveries:

31

geophysical survey results;
geochemical survey results; bulk
samples – size and method of
treatment; metallurgical test
results; bulk density, groundwater,
geotechnical and rock
characteristics; potential
deleterious or contaminating
substances.		 o
Oxide – 90%
o
Transitional – 97%
o
Fresh – 94.3%
•
Additional variation test-work remains ongoing.
Further work •
The nature and scale of planned
further work (eg tests for lateral
extensions or depth extensions or
large-scale step-out drilling).
•
Diagrams clearly highlighting the
areas of possible extensions,
including the main geological
interpretations and future drilling
areas, provided this information is
not commercially sensitive.		 •
Further GC drilling at Riverina underground

32

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