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WA1 RESOURCES LTD — Capital/Financing Update 2024
Oct 22, 2024
66031_rns_2024-10-22_4f4e4ada-653f-4880-9726-1ffe3a05fbea.pdf
Capital/Financing Update
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ASX RELEASE
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23 OCTOBER 2024
WEST ARUNTA PROJECT LUNI DRILLING UPDATE
Highlights
-
Over 15,000m of drilling has been completed this year with three drill rigs continuing to operate at Luni
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Assay results received primarily relate to resource definition on the periphery of the north-eastern high-grade zone
-
These results have added high-grade mineralisation and returned some of the best niobium intersections received to date, including:
LUSD-0006 from 68m: 20m at 6.4% Nb2O5
LUDD-0058 from 42m: 66m at 2.2% Nb2O5
-
Further high-grade rare earth element mineralisation was intersected in the south-east: 27m at 3% TREO[1] from 104m (LUSD-0004)
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Drilling activities this year have included approximately 40 drillholes collecting core samples to support ongoing metallurgical testwork programs, a series of monitoring bores to support hydrogeological investigations and resource drilling
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▪ Further assay results are expected over the coming months along with additional metallurgical testwork results
WA1 Resources Ltd (ASX: WA1) ( WA1 or the Company ) is pleased to provide an update on drilling and field activities at the 100% owned West Arunta Project in Western Australia.
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Figure 1: Luni aerial image looking north-east across the drilling grid
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WA1 RESOURCES LTD | ABN: 51 646 878 631 | ASX: WA1 LEVEL 2, 55 CARRINGTON ST, NEDLANDS WA 6009 | +61 8 6478 7866 | WWW.WA1.COM.AU
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WA1’s Managing Director, Paul Savich, commented:
“Our initial focus during the 2024 field season was critical path pre-development drilling activities. This primarily involved collecting sufficient samples for metallurgical testwork and ongoing installation of bores for hydrogeological investigations.
“The drilling focus then shifted to resource definition within key high-grade areas, particularly in the north-eastern zone of Luni, which is anticipated to form a key part of our early development ambitions. We are very pleased with the initial results of this drilling, with a number of eastern and south-eastern holes providing additional high-grade mineralisation.
“Three drill rigs continue to operate at Luni to support an updated Mineral Resource estimate, which is currently anticipated in the first half of 2025. Importantly, the Company continues to rapidly progress pre-development activities, including a number of multi-disciplined studies and surveys.”
Geological Discussion - Luni Niobium Deposit
An extensive drilling campaign at Luni is ongoing with three drilling rigs in operation, comprising diamond, sonic and reverse circulation ( RC ) methods. A total of 148 drillholes for over 15,000m of drilling has been completed this year to date (refer to Figure 2).
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Figure 2: Luni plan view with 2024 drilling status
Assay results within this release relate to 24 diamond drillholes, five sonic drillholes and two RC drillholes (refer to Table 2). New significant intersections predominantly relate to resource drilling completed on the eastern side of Luni at variable spacing of between 50m to 200m (refer to Figure 3 and Table 1).
These drillholes generally demonstrate continuity of the shallow, high-grade niobium mineralisation across this area and provide further confidence in prior broader spaced drilling. A
1. 'TREO’ is an abbreviation of Total Rare Earth Oxides, representing a combined group of 17 elements (La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc)
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number of the eastern and south-eastern holes have defined additional high-grade mineralisation, while select drillholes have aided in bounding the lateral extent of the mineralisation in certain areas, particularly in the north.
This has enhanced geological understanding of the mineralisation in support of ongoing metallurgical domaining and Mineral Resource estimation workstreams.
Of particular note, drillhole LUSD-0006 in the north-east zone has provided some of the best assay results seen to date, with very high-grade mineralisation intercepted over a broad interval from 68m depth.
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Figure 3: Luni plan view with drill collar locations and best new niobium intersections
Drillhole LUSD-0004 was drilled to test the extent of TREO mineralisation in the south-east of Luni and returned 27m at 3% TREO from 104m. This drillhole was located 200m east of a previously reported RC drillhole that intercepted high-grade TREO mineralisation (LURC23-093 – 7m at 10% TREO, refer to ASX announcement dated 26 April 2024).
The orientation of enriched, oxide mineralisation (true width) intersected to date is generally interpreted to be sub-horizontal and coincident with the flat-lying transition between intensely and moderately weathered carbonatite. Drilling to date has focussed on outlining mineralisation in the weathered zone of the Luni carbonatite. The potential for primary mineralisation in the deeper, unweathered zone is considered significant and will be tested at the appropriate time. The deeper transitional and fresh mineralisation remains poorly constrained, and the orientation
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of mineralisation in these zones is uncertain at this stage. For details of key intersections refer to the annotated images and Table 1.
Current & Upcoming Field Activities
A significant portion of the drilling early in 2024 was focussed on core sample acquisition for metallurgical purposes. Approximately 40 drillholes were completed as part of ongoing variability testwork programs.
Groundwater monitoring bores are also being installed in support of long-term hydrogeological investigations and model development.
Resource drilling is ongoing at Luni with the primary purposes of infilling and extending the defined niobium mineralisation. Drilling samples continue to progress through detailed data capture and laboratory analyses, and results will be reported progressively in due course.
The Company is currently aiming to update the Luni Mineral Resource estimate in the first half of 2025.
Further environmental baseline surveys have continued throughout the year with assistance from the Company’s environmental consultants, local rangers, and traditional owners. Detailed flora and fauna studies are anticipated to be completed by year end, with further targeted studies being planned.
A series of other site activities are ongoing, including surface and downhole geophysical surveys, remote sensing (LiDAR) surveys, and geotechnical assessments.
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Figure 4: Luni camp looking east-southeast
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Figure 5: Luni niobium deposit plan view of completed grid drilling with grade by width intersections to date For previously released results refer to ASX announcements throughout 2023 and 2024
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ENDS
This Announcement has been authorised for market release by the Board of WA1 Resources Ltd. For further information, please contact:
Investors
Media
Paul Savich Michael Vaughan Managing Director Fivemark Partners T: +61 8 6478 7866 T: +61 422 602 720 E: [email protected] E: [email protected]
Or visit our website at www.wa1.com.au
Competent Person Statement
The information in this announcement that relates to Exploration Results is based on information compiled by Ms. Stephanie Wray who is a Member of the Australian Institute of Geoscientists. Ms. Wray is a full-time employee of WA1 Resources Ltd and has sufficient experience which is relevant to the style of mineralisation under consideration to qualify as a Competent Person as defined in the 2012 Edition of the “Australian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves”. Ms. Wray consents to the inclusion in the announcement of the matters based on her information in the form and context in which it appears.
Disclaimer: No representation or warranty, express or implied, is made by the Company that the material contained in this announcement will be achieved or proved correct. Except for statutory liability which cannot be excluded, each of the Company, its directors, officers, employees, advisors and agents expressly disclaims any responsibility for the accuracy, fairness, sufficiency or completeness of the material contained in this presentation and excludes all liability whatsoever (including in negligence) for any loss or damage which may be suffered by any person as a consequence of any information in this presentation or any effort or omission therefrom. The Company will not update or keep current the information contained in this presentation or to correct any inaccuracy or omission which may become apparent, or to furnish any person with any further information. Any opinions expressed in the presentation are subject to change without notice.
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About WA1
WA1 Resources Ltd is an S&P/ASX 300 company based in Perth, Western Australia and trades under the code WA1.
WA1’s objective is to discover and develop tier 1 deposits, including the Luni niobium deposit, in Australia’s underexplored regions and create value for all stakeholders. We believe we can have a positive impact on the remote communities within the lands on which we operate. We will execute our exploration using a proven leadership team which has a successful track record of exploring in WA’s most remote regions.
Forward-Looking Statements
This ASX Release may contain certain “forwardlooking statements” which may be based on forwardlooking information that are subject to a number of known and unknown risks, uncertainties, and other factors that may cause actual results to differ materially from those presented here. Where the Company expresses or implies an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis. For a more detailed discussion of such risks and other factors, see the Company’s Prospectus and Annual Reports, as well as the Company’s other ASX Releases.
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Readers should not place undue reliance on forward-looking information. The Company does not undertake any obligation to release publicly any revisions to any forward-looking statement to reflect events or circumstances after the date of this ASX Release, or to reflect the occurrence of unanticipated events, except as may be required under applicable securities laws.
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Table 1: Drilling Results - Significant Intercepts
| Hole ID | From (m) |
To (m) |
Interval (m) |
Nb₂O₅ (%) |
TiO₂ (%) |
Core Loss (m) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TREO | Nd+Pr | NdPr:TREO | Sc₂O₃ | Ta₂O₅ | SrO | Th | U | P₂O₅ | ||||||||
| (%) | (ppm) | (%) | (ppm) | (ppm) | (%) | (ppm) | (ppm) | (%) | ||||||||
| LUDD0047 | 33.0 | 49.3 | 16.3 | 0.42 | 0.15 | 317 | 24 | 11 | 74 | 0.2 | 47 | 58 | 1.0 | 0.5 | 0.1 | |
| LUDD0048 | 100.0 | 101.4 | 1.4 | 0.25 | 0.32 | 697 | 31 | 26 | 24 | 0.2 | 30 | 63 | 9.6 | 0.7 | 0.2 | |
| LUDD0049 | incl incl incl incl incl |
42.0 | 106.0 | 64.0 | 0.66 | 0.37 | 792 | 24 | 56 | 29 | 0.7 | 18 | 19 | 9.1 | 0.3 | 12.0 |
| 43.0 | 46.0 | 3.0 | 1.33 | 2.32 | 4,762 | 21 | 282 | 113 | 2.2 | 141 | 134 | 13.5 | 2.3 | 0.1 | ||
| 49.2 | 53.1 | 3.9 | 1.35 | 0.95 | 2,149 | 35 | 68 | 13 | 1.4 | 28 | 26 | 23.2 | 0.7 | 0.8 | ||
| 57.4 | 58.4 | 1.0 | 1.38 | 0.70 | 1,317 | 19 | 186 | 27 | 1.4 | 30 | 21 | 24.0 | 0.2 | 0.0 | ||
| 65.5 | 73.0 | 7.5 | 1.27 | 0.16 | 358 | 29 | 49 | 3 | 0.4 | 9 | 13 | 8.0 | 0.0 | 2.7 | ||
| 83.0 | 85.5 | 2.5 | 1.01 | 0.20 | 446 | 28 | 24 | 150 | 0.4 | 33 | 16 | 7.3 | 0.1 | 0.0 | ||
| LUDD0050 | and and incl |
32.0 | 53.0 | 21.0 | 0.43 | 0.19 | 427 | 23 | 56 | 43 | 0.3 | 48 | 33 | 3.1 | 0.5 | 0.6 |
| 58.0 | 59.0 | 1.0 | 0.22 | 0.07 | 166 | 25 | 18 | 4 | 0.3 | 8 | 6 | 1.8 | 0.1 | 0.0 | ||
| 63.2 | 68.3 | 5.1 | 0.68 | 0.19 | 454 | 33 | 12 | 33 | 0.3 | 31 | 18 | 6.1 | 0.3 | 0.0 | ||
| 64.0 | 64.6 | 0.6 | 1.38 | 0.20 | 525 | 45 | 6 | 43 | 0.4 | 33 | 21 | 8.2 | 0.5 | 0.0 | ||
| LUDD0051 | incl incl and and |
28.0 | 69.0 | 41.0 | 0.94 | 0.65 | 1,492 | 27 | 112 | 33 | 0.8 | 121 | 61 | 8.4 | 2.5 | 3.4 |
| 33.0 | 41.0 | 8.0 | 1.95 | 1.51 | 3,551 | 26 | 260 | 10 | 2.3 | 137 | 174 | 21.2 | 1.7 | 0.3 | ||
| 45.0 | 55.9 | 10.9 | 1.50 | 0.84 | 1,907 | 33 | 111 | 62 | 0.9 | 295 | 51 | 11.6 | 2.0 | 1.7 | ||
| 72.4 | 74.2 | 1.8 | 0.22 | 0.09 | 218 | 26 | 34 | 11 | 0.0 | 9 | 5 | 0.9 | 2.1 | 0.6 | ||
| 79.0 | 80.1 | 1.1 | 0.23 | 0.03 | 76 | 21 | 3 | 32 | 0.1 | 11 | 14 | 0.6 | 0.2 | 0.0 | ||
| LUDD0052 | incl incl incl incl |
36.0 | 71.0 | 35.0 | 0.71 | 0.41 | 953 | 29 | 103 | 38 | 0.6 | 80 | 26 | 7.9 | 1.4 | 3.4 |
| 36.0 | 36.8 | 0.8 | 1.28 | 1.40 | 3,031 | 27 | 184 | 84 | 1.5 | 291 | 66 | 5.0 | 1.3 | 0.0 | ||
| 41.4 | 51.3 | 9.9 | 1.07 | 0.60 | 1,411 | 33 | 126 | 66 | 0.8 | 108 | 35 | 10.6 | 3.4 | 2.1 | ||
| 56.0 | 58.0 | 2.0 | 1.53 | 0.15 | 321 | 42 | 144 | 132 | 0.3 | 45 | 22 | 3.3 | 3.5 | 0.0 | ||
| 62.0 | 63.0 | 1.0 | 1.30 | 0.27 | 612 | 23 | 71 | 24 | 0.6 | 111 | 14 | 7.2 | 0.2 | 0.0 |
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| Hole ID | From (m) |
To (m) |
Interval (m) |
Nb₂O₅ (%) |
TREO | Nd+Pr | NdPr:TREO | Sc₂O₃ | Ta₂O₅ | SrO | Th | U | P₂O₅ | TiO₂ (%) |
Core Loss (m) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (%) | (ppm) | (%) | (ppm) | (ppm) | (%) | (ppm) | (ppm) | (%) | ||||||||
| LUDD0053 | incl incl and incl and |
27.0 | 57.5 | 30.5 | 0.73 | 0.38 | 809 | 25 | 6 | 25 | 0.3 | 20 | 15 | 5.2 | 0.8 | 3.2 |
| 28.4 | 35.0 | 6.6 | 1.80 | 1.07 | 2,277 | 23 | 17 | 25 | 0.9 | 38 | 30 | 13.0 | 1.3 | 0.0 | ||
| 46.5 | 46.9 | 0.4 | 1.06 | 0.41 | 885 | 54 | 4 | 52 | 0.3 | 20 | 18 | 5.6 | 0.8 | 0.0 | ||
| 63.0 | 69.0 | 6.0 | 0.30 | 0.19 | 421 | 25 | 2 | 12 | 0.1 | 6 | 5 | 3.0 | 0.1 | 0.8 | ||
| 66.7 | 67.1 | 0.4 | 1.05 | 0.49 | 1,066 | 50 | 4 | 31 | 0.2 | 18 | 14 | 9.8 | 0.5 | 0.0 | ||
| 73.0 | 77.0 | 4.0 | 0.37 | 0.18 | 388 | 22 | 1 | 19 | 0.1 | 8 | 5 | 3.1 | 0.3 | 0.0 | ||
| LUDD0054 | incl and and and Incl |
27.0 | 43.8 | 16.8 | 0.54 | 0.59 | 1,355 | 32 | 89 | 46 | 0.5 | 48 | 51 | 8.0 | 0.3 | 1.2 |
| 35.8 | 37.0 | 1.2 | 1.20 | 1.04 | 2,362 | 37 | 140 | 128 | 0.7 | 109 | 127 | 15.0 | 0.4 | 0.0 | ||
| 54.0 | 59.0 | 5.0 | 0.25 | 0.13 | 302 | 23 | 27 | 20 | 0.1 | 6 | 9 | 2.8 | 0.6 | 0.0 | ||
| 64.3 | 65.0 | 0.7 | 0.26 | 0.29 | 693 | 36 | 55 | 6 | 0.3 | 19 | 11 | 8.0 | 0.1 | 0.0 | ||
| 69.0 | 74.0 | 5.0 | 0.53 | 0.17 | 406 | 28 | 90 | 28 | 0.3 | 14 | 5 | 4.6 | 1.2 | 0.0 | ||
| 71.4 | 72.2 | 0.8 | 1.08 | 0.10 | 214 | 27 | 71 | 77 | 0.1 | 17 | 7 | 2.0 | 4.4 | 0.0 | ||
| LUDD0055 | Incl and and and incl |
29.0 | 60.1 | 31.1 | 0.75 | 0.34 | 776 | 26 | 24 | 21 | 0.6 | 23 | 31 | 9.3 | 0.7 | 1.6 |
| 33.0 | 42.0 | 9.0 | 1.67 | 0.76 | 1,749 | 28 | 54 | 10 | 1.4 | 49 | 53 | 18.3 | 0.6 | 0.8 | ||
| 65.0 | 73.0 | 8.0 | 0.22 | 0.09 | 198 | 23 | 4 | 11 | 0.1 | 8 | 9 | 2.5 | 0.3 | 0.0 | ||
| 77.0 | 84.0 | 7.0 | 0.27 | 0.08 | 203 | 28 | 6 | 7 | 0.4 | 8 | 6 | 4.4 | 0.1 | 0.0 | ||
| 88.0 | 90.5 | 2.5 | 0.79 | 0.20 | 467 | 29 | 4 | 108 | 0.5 | 93 | 28 | 8.3 | 0.2 | 0.0 | ||
| 89.0 | 90.0 | 1.0 | 1.14 | 0.23 | 545 | 24 | 3 | 158 | 0.5 | 134 | 33 | 10.7 | 0.2 | 0.0 | ||
| LUDD0056 | incl incl |
28.0 | 42.1 | 14.1 | 0.48 | 0.33 | 766 | 31 | 51 | 16 | 1.2 | 26 | 124 | 14.9 | 0.3 | 1.7 |
| 32.0 | 33.3 | 1.3 | 1.24 | 0.60 | 1,463 | 37 | 70 | 15 | 1.6 | 46 | 94 | 21.6 | 0.4 | 0.0 | ||
| 37.9 | 38.2 | 0.3 | 1.53 | 0.68 | 1,648 | 84 | 89 | 10 | 1.3 | 42 | 77 | 23.5 | 0.2 | 0.0 | ||
| and | 46.9 | 47.6 | 0.7 | 0.47 | 0.06 | 123 | 33 | 40 | 16 | 0.1 | 9 | 9 | 1.2 | 0.4 | 0.0 |
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| Hole ID | From (m) |
To (m) |
Interval (m) |
Nb₂O₅ (%) |
TREO | Nd+Pr | NdPr:TREO | Sc₂O₃ | Ta₂O₅ | SrO | Th | U | P₂O₅ | TiO₂ (%) |
Core Loss (m) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (%) | (ppm) | (%) | (ppm) | (ppm) | (%) | (ppm) | (ppm) | (%) | ||||||||
| LUDD0057 | incl and |
29.0 | 34.5 | 5.5 | 0.71 | 0.83 | 1,880 | 29 | 52 | 819 | 1.2 | 109 | 322 | 6.5 | 1.5 | 0.2 |
| 31.9 | 32.3 | 0.4 | 1.83 | 2.28 | 5,035 | 57 | 96 | 991 | 2.1 | 368 | 980 | 8.5 | 1.6 | 0.0 | ||
| 40.6 | 41.0 | 0.4 | 0.22 | 0.14 | 307 | 57 | 3 | 46 | 0.1 | 15 | 43 | 3.3 | 0.8 | 0.0 | ||
| LUDD0058 | and incl |
42.0 | 119.0 | 77.0 | 1.88 | 0.75 | 1,716 | 26 | 19 | 6 | 0.8 | 37 | 43 | 17.5 | 0.7 | 2.4 |
| 42.0 | 108.0 | 66.0 | 2.15 | 0.84 | 1,938 | 26 | 21 | 6 | 0.9 | 42 | 49 | 20.0 | 0.7 | 2.4 | ||
| LUDD0059 | incl | 30.1 | 55.0 | 24.9 | 1.46 | 0.61 | 1,593 | 25 | 128 | 18 | 1.2 | 71 | 26 | 13.3 | 0.3 | 0.7 |
| 33.0 | 47.0 | 14.0 | 2.25 | 0.88 | 2,276 | 26 | 194 | 18 | 1.9 | 95 | 33 | 20.9 | 0.4 | 0.0 | ||
| LUDD0060 | incl incl incl incl and and |
32.0 | 62.0 | 30.0 | 0.72 | 0.50 | 1,140 | 24 | 46 | 6 | 1.0 | 25 | 13 | 19.4 | 0.2 | 2.0 |
| 37.0 | 38.0 | 1.0 | 1.11 | 1.32 | 3,046 | 23 | 154 | 7 | 2.5 | 62 | 23 | 31.1 | 0.4 | 0.0 | ||
| 48.0 | 49.0 | 1.0 | 2.05 | 1.18 | 2,552 | 23 | 32 | 1 | 1.3 | 34 | 12 | 30.7 | 0.1 | 0.0 | ||
| 53.0 | 55.0 | 2.0 | 1.99 | 0.33 | 820 | 25 | 13 | 1 | 0.5 | 26 | 8 | 12.3 | 0.0 | 0.0 | ||
| 58.4 | 61.0 | 2.6 | 0.98 | 0.14 | 340 | 28 | 8 | 2 | 0.3 | 10 | 4 | 5.8 | 0.0 | 0.8 | ||
| 66.5 | 76.0 | 9.5 | 0.42 | 0.15 | 387 | 29 | 7 | 6 | 0.3 | 4 | 5 | 6.0 | 0.0 | 0.1 | ||
| 80.0 | 98.0 | 18.0 | 0.40 | 0.11 | 270 | 25 | 5 | 8 | 0.3 | 3 | 4 | 3.7 | 0.0 | 0.1 | ||
| LUDD0070 | and and |
27.8 | 30.0 | 2.3 | 0.26 | 0.13 | 259 | 17 | 46 | 18 | 0.0 | 40 | 8 | 0.2 | 6.2 | 0.0 |
| 34.0 | 70.0 | 36.0 | 0.24 | 0.11 | 303 | 17 | 61 | 5 | 0.1 | 45 | 10 | 1.4 | 5.0 | 2.3 | ||
| 83.0 | 86.0 | 3.0 | 0.34 | 0.00 | 83 | - | 18 | 0 | 0.1 | 20 | 4 | 0.1 | 2.1 | 0.0 | ||
| LUDD0078 | incl incl and incl |
29.0 | 71.0 | 42.0 | 0.88 | 0.25 | 547 | 24 | 24 | 32 | 0.3 | 65 | 41 | 5.5 | 1.1 | 4.3 |
| 33.7 | 44.9 | 11.2 | 2.24 | 0.52 | 1,171 | 25 | 57 | 37 | 0.6 | 123 | 87 | 10.4 | 1.7 | 2.4 | ||
| 50.0 | 52.2 | 2.2 | 1.41 | 0.35 | 820 | 21 | 35 | 26 | 0.6 | 107 | 77 | 13.8 | 1.1 | 0.0 | ||
| 75.0 | 104.0 | 29.0 | 0.46 | 0.12 | 269 | 30 | 14 | 22 | 0.2 | 32 | 21 | 3.4 | 1.2 | 1.1 | ||
| 82.0 | 82.9 | 0.9 | 1.19 | 0.22 | 471 | 25 | 15 | 31 | 0.2 | 59 | 27 | 3.9 | 0.8 | 0.0 |
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| Hole ID | From (m) |
To (m) |
Interval (m) |
Nb₂O₅ (%) |
TREO | Nd+Pr | NdPr:TREO | Sc₂O₃ | Ta₂O₅ | SrO | Th | U | P₂O₅ | TiO₂ (%) |
Core Loss (m) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (%) | (ppm) | (%) | (ppm) | (ppm) | (%) | (ppm) | (ppm) | (%) | ||||||||
| LUDD0078 cont. |
incl and |
98.1 | 99.0 | 1.0 | 1.20 | 0.30 | 665 | 23 | 11 | 59 | 0.2 | 79 | 41 | 8.6 | 1.5 | 0.0 |
| 110.0 | 111.0 | 1.0 | 0.24 | 0.08 | 169 | 21 | 18 | 17 | 0.1 | 24 | 19 | 2.3 | 1.7 | 0.0 | ||
| LUDD0079 | incl incl and |
27.9 | 79.0 | 51.1 | 0.69 | 0.18 | 432 | 29 | 39 | 23 | 0.5 | 35 | 22 | 6.8 | 0.3 | 1.6 |
| 36.9 | 42.0 | 5.1 | 2.06 | 0.50 | 1,204 | 28 | 111 | 68 | 1.0 | 129 | 87 | 19.1 | 0.6 | 0.7 | ||
| 45.6 | 53.0 | 7.4 | 1.26 | 0.16 | 387 | 32 | 35 | 14 | 0.3 | 25 | 33 | 8.7 | 0.1 | 0.1 | ||
| 84.0 | 92.0 | 8.0 | 0.38 | 0.13 | 317 | 24 | 24 | 21 | 0.6 | 18 | 10 | 5.1 | 0.0 | 0.0 | ||
| LUDD0080 | incl incl incl |
32.0 | 71.0 | 39.0 | 0.77 | 0.45 | 943 | 24 | 21 | 305 | 0.3 | 181 | 85 | 7.9 | 0.6 | 0.2 |
| 36.0 | 39.5 | 3.5 | 1.77 | 1.34 | 2,728 | 24 | 47 | 154 | 1.3 | 303 | 237 | 14.5 | 1.0 | 0.0 | ||
| 44.0 | 48.0 | 4.0 | 2.26 | 0.54 | 1,217 | 22 | 23 | 257 | 0.5 | 628 | 116 | 14.8 | 0.2 | 0.0 | ||
| 61.0 | 62.1 | 1.1 | 1.34 | 0.28 | 598 | 19 | 26 | 113 | 0.1 | 244 | 18 | 5.3 | 0.7 | 0.0 | ||
| LUDD0081 | incl | 28.0 | 60.0 | 32.0 | 0.54 | 0.13 | 302 | 32 | 18 | 19 | 0.2 | 21 | 23 | 3.5 | 1.1 | 0.2 |
| 33.4 | 38.0 | 4.6 | 1.68 | 0.23 | 515 | 29 | 40 | 31 | 0.6 | 39 | 50 | 8.6 | 1.5 | 0.0 | ||
| LUDD0082 | incl and |
28.0 | 47.0 | 19.0 | 0.96 | 0.31 | 717 | 27 | 54 | 47 | 0.8 | 121 | 26 | 7.5 | 1.0 | 0.6 |
| 31.9 | 41.0 | 9.1 | 1.60 | 0.45 | 1,032 | 27 | 83 | 54 | 1.4 | 224 | 39 | 9.9 | 1.0 | 0.3 | ||
| 53.0 | 54.0 | 1.0 | 0.23 | 0.09 | 218 | 24 | 18 | 16 | 0.3 | 6 | 3 | 2.9 | 0.0 | 0.0 | ||
| LUDD0083 | incl incl |
29.7 | 79.0 | 49.3 | 0.71 | 0.24 | 581 | 26 | 53 | 33 | 0.5 | 45 | 15 | 6.4 | 1.1 | 0.3 |
| 35.0 | 37.0 | 2.0 | 1.11 | 0.52 | 1,351 | 26 | 60 | 47 | 0.7 | 174 | 29 | 3.5 | 2.1 | 0.0 | ||
| 41.0 | 48.0 | 7.0 | 2.20 | 0.68 | 1,688 | 28 | 175 | 15 | 1.5 | 82 | 48 | 22.8 | 1.5 | 0.0 | ||
| LUDD0084 | incl and |
29.8 | 39.0 | 9.2 | 0.78 | 0.58 | 1,395 | 33 | 103 | 13 | 1.0 | 45 | 37 | 10.2 | 0.6 | 0.3 |
| 31.0 | 36.6 | 5.6 | 0.95 | 0.60 | 1,466 | 31 | 112 | 14 | 1.3 | 52 | 40 | 11.3 | 0.8 | 0.3 | ||
| 44.0 | 53.5 | 9.5 | 0.34 | 0.09 | 211 | 26 | 24 | 5 | 0.1 | 6 | 5 | 3.0 | 0.3 | 0.0 | ||
| and | 59.2 | 90.0 | 30.8 | 0.52 | 0.12 | 293 | 31 | 25 | 21 | 0.3 | 14 | 16 | 3.7 | 0.5 | 0.0 |
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| Hole ID | From (m) |
To (m) |
Interval (m) |
Nb₂O₅ (%) |
TREO | Nd+Pr | NdPr:TREO | Sc₂O₃ | Ta₂O₅ | SrO | Th | U | P₂O₅ | TiO₂ (%) |
Core Loss (m) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (%) | (ppm) | (%) | (ppm) | (ppm) | (%) | (ppm) | (ppm) | (%) | ||||||||
| LUDD0084 cont. |
incl incl |
63.6 | 64.0 | 0.4 | 1.58 | 0.19 | 451 | 55 | 47 | 63 | 0.4 | 20 | 22 | 5.4 | 0.1 | 0.0 |
| 83.0 | 84.0 | 1.0 | 1.31 | 0.17 | 423 | 24 | 24 | 57 | 0.4 | 44 | 52 | 5.7 | 1.2 | 0.0 | ||
| LUDD0085 | incl incl incl |
28.9 | 62.0 | 33.1 | 0.71 | 0.22 | 533 | 29 | 47 | 17 | 0.7 | 80 | 21 | 6.4 | 0.3 | 0.7 |
| 34.0 | 44.0 | 10.0 | 1.32 | 0.46 | 1,119 | 35 | 95 | 21 | 1.3 | 187 | 41 | 12.3 | 0.3 | 0.6 | ||
| 47.5 | 51.0 | 3.5 | 0.75 | 0.09 | 217 | 27 | 19 | 15 | 0.4 | 21 | 4 | 4.4 | 0.0 | 0.0 | ||
| 55.0 | 56.0 | 1.0 | 1.48 | 0.12 | 282 | 24 | 21 | 50 | 0.7 | 23 | 4 | 8.5 | 0.0 | 0.0 | ||
| LUDD0087 | incl | 29.0 | 68.0 | 39.0 | 0.44 | 0.15 | 349 | 25 | 26 | 26 | 0.2 | 69 | 12 | 3.5 | 1.4 | 1.7 |
| 67.0 | 68.0 | 1.0 | 1.14 | 0.13 | 318 | 24 | 33 | 7 | 0.6 | 89 | 8 | 4.7 | 0.1 | 0.0 | ||
| LUSD0001 | incl incl incl |
29.0 | 80.0 | 51.0 | 0.70 | 0.33 | 830 | 17 | 5 | 100 | 0.5 | 39 | 45 | 10.7 | 0.5 | 2.0 |
| 34.0 | 42.0 | 8.0 | 1.39 | 0.84 | 1,956 | 23 | 36 | 512 | 1.1 | 83 | 162 | 26.1 | 0.9 | 0.0 | ||
| 46.0 | 50.0 | 4.0 | 1.79 | 0.71 | 1,699 | 24 | 28 | 20 | 1.0 | 50 | 45 | 26.8 | 0.7 | 0.3 | ||
| 56.6 | 59.0 | 2.4 | 1.12 | 0.39 | 879 | 28 | 0 | 95 | 0.4 | 81 | 45 | 10.6 | 0.2 | 0.0 | ||
| LUSD0002 | incl and and |
29.0 | 52.0 | 23.0 | 0.75 | 0.38 | 901 | 21 | 0 | 26 | 0.6 | 39 | 52 | 5.3 | 0.7 | 2.9 |
| 30.0 | 32.6 | 2.6 | 2.65 | 1.67 | 4,012 | 27 | 0 | 112 | 2.4 | 194 | 183 | 9.3 | 0.6 | 0.0 | ||
| 62.0 | 64.8 | 2.8 | 0.22 | 0.08 | 279 | 16 | 0 | 4 | 0.1 | 16 | 22 | 3.3 | 0.4 | 0.0 | ||
| 73.0 | 73.7 | 0.7 | 0.23 | 0.21 | 419 | 29 | 0 | 0 | 0.1 | 23 | 15 | 3.2 | 0.8 | 0.0 | ||
| LUSD0004 | incl incl incl incl |
104.0 | 131.0 | 27.0 | 0.71 | 2.98 | 5,833 | 28 | 13 | 6 | 1.1 | 137 | 40 | 14.8 | 0.7 | 0.6 |
| 104.0 | 105.0 | 1.0 | 2.06 | 18.99 | 26,437 | 14 | 77 | 37 | 1.5 | 557 | 103 | 14.7 | 0.7 | 0.0 | ||
| 109.5 | 114.4 | 4.9 | 1.71 | 4.68 | 10,068 | 31 | 47 | 8 | 3.0 | 204 | 99 | 12.2 | 2.4 | 0.2 | ||
| 118.6 | 119.0 | 0.4 | 1.61 | 0.75 | 1,697 | 57 | 0 | 24 | 0.0 | 37 | 17 | 1.5 | 0.2 | 0.0 | ||
| 129.1 | 130.0 | 0.9 | 1.41 | 0.43 | 1,191 | 31 | 0 | 0 | 0.5 | 30 | 8 | 11.6 | 0.4 | 0.0 | ||
| and | 137.0 | 146.0 | 9.0 | 0.85 | 0.77 | 2,094 | 27 | 0 | 0 | 0.8 | 49 | 6 | 19.6 | 0.4 | 0.2 |
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| Hole ID | From (m) |
To (m) |
Interval (m) |
Nb₂O₅ (%) |
TREO | Nd+Pr | NdPr:TREO | Sc₂O₃ | Ta₂O₅ | SrO | Th | U | P₂O₅ | TiO₂ (%) |
Core Loss (m) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (%) | (ppm) | (%) | (ppm) | (ppm) | (%) | (ppm) | (ppm) | (%) | ||||||||
| LUSD0004 cont. |
incl incl and |
141.0 | 142.0 | 1.0 | 1.42 | 0.84 | 2,071 | 25 | 0 | 0 | 0.7 | 38 | 5 | 18.4 | 0.1 | 0.0 |
| 145.1 | 146.0 | 0.9 | 2.42 | 0.27 | 723 | 31 | 0 | 0 | 0.7 | 14 | 13 | 18.6 | 1.6 | 0.0 | ||
| 151.0 | 159.0 | 8.0 | 0.50 | 0.65 | 1,745 | 18 | 0 | 0 | 0.5 | 30 | 5 | 14.2 | 0.5 | 0.1 | ||
| LUSD0005 | incl incl incl and |
36.0 | 117.0 | 81.0 | 0.88 | 0.36 | 825 | 24 | 0 | 159 | 0.4 | 83 | 69 | 9.2 | 0.8 | 4.1 |
| 37.0 | 59.0 | 22.0 | 1.95 | 0.57 | 1,279 | 26 | 10 | 231 | 0.9 | 125 | 96 | 12.5 | 1.1 | 2.8 | ||
| 80.0 | 81.0 | 1.0 | 1.47 | 0.57 | 1,276 | 23 | 0 | 391 | 0.4 | 300 | 101 | 17.4 | 0.7 | 0.0 | ||
| 105.0 | 109.0 | 4.0 | 1.87 | 0.51 | 1,168 | 23 | 0 | 208 | 0.5 | 201 | 109 | 15.4 | 0.9 | 0.0 | ||
| 121.0 | 128.0 | 7.0 | 0.35 | 0.25 | 568 | 23 | 0 | 133 | 0.2 | 65 | 143 | 7.8 | 0.7 | 0.0 | ||
| LUSD0006 | incl incl |
68.0 | 104.0 | 36.0 | 3.77 | 0.71 | 1,807 | 19 | 16 | 212 | 1.0 | 134 | 80 | 16.9 | 0.5 | 2.0 |
| 68.0 | 88.0 | 20.0 | 6.38 | 1.21 | 2,991 | 24 | 41 | 380 | 1.6 | 229 | 137 | 26.6 | 0.8 | 1.0 | ||
| 95.0 | 96.0 | 1.0 | 1.77 | 0.38 | 940 | 25 | 0 | 37 | 0.3 | 51 | 16 | 14.3 | 0.1 | 0.0 | ||
| LURC0004 | incl and |
38.0 | 57.0 | 19.0 | 1.12 | 0.96 | 2,137 | 22 | 27 | 589 | 1.7 | 126 | 427 | 25.9 | 1.6 | N/A |
| 38.0 | 44.0 | 6.0 | 2.49 | 1.38 | 3,215 | 23 | 38 | 128 | 2.5 | 242 | 432 | 19.2 | 2.2 | N/A | ||
| 61.0 | 62.0 | 1.0 | 0.30 | 0.26 | 562 | 22 | 7 | 714 | 0.1 | 43 | 122 | 9.2 | 0.9 | N/A | ||
| LURC0005 | and Incl Incl |
31.0 | 32.0 | 1.0 | 0.23 | 0.03 | 43 | 14 | 23 | 40 | 0.0 | 31 | 15 | 0.1 | 1.7 | N/A |
| 65.0 | 136.0 | 71.0 | 0.83 | 0.39 | 880 | 22 | 15 | 53 | 0.7 | 43 | 58 | 16.6 | 0.8 | N/A | ||
| 65.0 | 69.0 | 4.0 | 1.22 | 0.65 | 1,342 | 20 | 35 | 175 | 0.4 | 69 | 46 | 1.7 | 3.0 | N/A | ||
| 78.0 | 98.0 | 20.0 | 1.56 | 0.58 | 1,348 | 23 | 24 | 52 | 1.4 | 58 | 51 | 32.3 | 0.4 | N/A | ||
| Incl | 113.0 | 115.0 | 2.0 | 1.18 | 0.35 | 794 | 23 | 5 | 25 | 0.3 | 29 | 66 | 9.5 | 0.4 | N/A |
Note: 1: Results not displayed above are considered to contain no significant niobium mineralisation.
Note 2: 'TREO’ is an abbreviation of Total Rare Earth Oxides, representing a combined group of 16 elements (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Sc).
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Table 2: Collar locations for drillhole results within this release
| Hole ID | Drill Type |
Easting | Northing | RL | Dip | Azimuth | Depth |
|---|---|---|---|---|---|---|---|
| (m) | (Degrees) | (Degrees) | (m) | ||||
| LUDD0047 | DD | 437797 | 7540994 | 381 | -60 | 180 | 68.2 |
| LUDD0048 | DD | 437801 | 7541199 | 381 | -60 | 180 | 108.7 |
| LUDD0049 | DD | 436601 | 7540798 | 381 | -60 | 180 | 106.8 |
| LUDD0050 | DD | 436601 | 7540996 | 381 | -60 | 180 | 79.8 |
| LUDD0051 | DD | 437400 | 7540870 | 381 | -90 | - | 80.1 |
| LUDD0052 | DD | 437303 | 7540871 | 381 | -90 | - | 74 |
| LUDD0053 | DD | 437496 | 7540466 | 381 | -90 | - | 79.9 |
| LUDD0054 | DD | 437499 | 7540870 | 381 | -90 | - | 80 |
| LUDD0055 | DD | 437698 | 7540560 | 381 | -90 | - | 90.5 |
| LUDD0056 | DD | 437704 | 7540971 | 381 | -90 | - | 54.5 |
| LUDD0057 | DD | 437900 | 7540504 | 381 | -90 | - | 78.1 |
| LUDD0058 | DD | 438006 | 7540674 | 381 | -90 | - | 119 |
| LUDD0059 | DD | 438000 | 7540874 | 381 | -90 | - | 62 |
| LUDD0060 | DD | 437200 | 7540270 | 381 | -90 | - | 100 |
| LUDD0070 | DD | 437349 | 7540744 | 381 | -90 | - | 89.9 |
| LUDD0078 | DD | 438050 | 7540927 | 381 | -90 | - | 115.6 |
| LUDD0079 | DD | 438050 | 7540827 | 381 | -90 | - | 92 |
| LUDD0080 | DD | 438050 | 7540727 | 381 | -90 | - | 72.5 |
| LUDD0081 | DD | 437950 | 7540927 | 381 | -90 | - | 60.6 |
| LUDD0082 | DD | 437950 | 7540834 | 381 | -90 | - | 80 |
| LUDD0083 | DD | 437951 | 7540734 | 381 | -90 | - | 80 |
| LUDD0084 | DD | 437850 | 7540927 | 381 | -90 | - | 99.5 |
| LUDD0085 | DD | 437848 | 7540837 | 381 | -90 | - | 62 |
| LUDD0087 | DD | 437754 | 7540841 | 381 | -90 | - | 68 |
| LUSD0001 | SD | 437800 | 7540598 | 381 | -90 | - | 86 |
| LUSD0002 | SD | 437595 | 7540472 | 381 | -90 | - | 89 |
| LUSD0004 | SD | 438000 | 7540204 | 381 | -90 | - | 161 |
| LUSD0005 | SD | 437998 | 7540402 | 381 | -90 | - | 137 |
| LUSD0006 | SD | 437550 | 7540750 | 381 | -90 | - | 105 |
| LURC0004 | RC | 438091 | 7540566 | 381 | -90 | - | 106 |
| LURC0005 | RC | 438098 | 7540674 | 381 | -90 | - | 148 |
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JORC Code, 2012 Edition – Table 1
Section 1 Sampling Techniques and Data
| CRITERIA | COMMENTARY |
|---|---|
| Sampling techniques |
▪ Geological information referred to in this ASX announcement was derived from Reverse Circulation (RC), Diamond (DD) and Sonic (SD) drilling programs. ▪ For most RC metres drilled a 2-3kg sample (split) was sampled into a calico bag via the rig mounted cone splitter. For samples where splitting by cone splitter was not suitable, a procedure was developed whereby the entire sample was collected and sent to the lab for later crushing and splitting. This replaced earlier field sampling methods for wet/damp RC samples. ▪ RC samples were collected over 1m intervals. ▪ HQ3, PQ3 sized core samples were collected with a diamond drill rig. The sonic rig was utilised to obtain 98mm diameter core samples. ▪ The HQ3 core was logged and photographed onsite and then transported to ALS Perth for sampling and assaying. ▪ The PQ3 and Sonic core was 1ogged and photographed onsite and then transported to Nagrom in Perth for sampling and assaying. ▪ Sample intervals for the diamond and sonic holes were constrained to major geological boundaries. Broad zones of sampling were nominally1m in length,wherepossible. |
| Drilling techniques | ▪ RC holes were drilled with a diameter of 146mm or 143mm. ▪ Sonic holes were drilled using a 4-inch core barrel to generate 98mm diameter sample. ▪ Diamond holes were drilled using HQ3 (61mm) and PQ3 (85mm) equipment. HQ and PQ core was drilled with the triple tube method to enable increased core recovery. |
| Drill sample recovery |
▪ RC sample recoveries were visually estimated for each metre and recorded as dry, moist or wet in the sample table. Onsite sample weighing was carried out to monitor split performance and sample recovery. ▪ Recoveries for dry samples were generally good. Where RC drillholes encountered water, samples were recorded as moist, with some intervals having lower recoveries through the mineralised zone. These samples are still considered to be reasonably representative based on review of the quality control data and observations of the onsite geologist. ▪ Any core loss could be a combination of naturally occurring cavities and/or material that has not been recovered by drilling. Diamond core recovery was generally moderate through the mineralised zone and the holes were triple tubed to aid the preservation of the core integrity, see Table 1. ▪ Less optimal sample recovery was observed in select RC and diamond holes, typically associated with increased groundwater and where the units are highly-weathered and friable. ▪ Sonic drilling generally returned high sample recoveries. Core was measured and the sample recovery was calculated for each drill run. |
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| CRITERIA | COMMENTARY |
|---|---|
| ▪ The Company is continuously assessing and developing improvements to its drilling procedures with different methodologies trialled to enhance sample recovery for the drilling conditions encountered. |
|
| Logging | ▪ RC drill chips were logged for geology, alteration, and mineralisation by the Company’s geological personnel. Drill logs were recorded digitally and have been verified. ▪ Logging of drill chips is qualitative and based on the presentation of representative chips retained for all 1m sample intervals in the chip trays. ▪ The metre interval samples were analysed on the drill pad by handheld pXRF to assist with logging and the identification of mineralisation. ▪ Detailed loggingof sonic and diamond core was completed on site. |
| Sub-sampling techniques and sample preparation |
▪ A majority of RC samples were collected from the drill rig splitter into calico bags. ▪ In all holes the 1m intervals within the cover sequence were composited by the site geologist into 4m samples from spoil piles using a scoop. ▪ Single metre samples were collected and assayed from approximately 16m depth or as determined by the site geologist. ▪ During the program, the sampling procedure was updated so that RC samples in the mineralised zone that the site geologist deemed were not adequately sub-sampled through the cone splitter had the entire material submitted to the laboratory for crushing (-2mm) and sub-sampling through a riffle splitter. Coarse crushed sampled duplicates were taken to monitor splitting performance. ▪ Industry prepared independent Certified Reference Materials (CRMs) were inserted at a frequency of approximately one in 20 samples. ▪ At ALS, the core was cut and sampled by two methods being either: a) competent HQ3 core was sawn in half, with one half sent for assay and the remainder retained, or; b) friable core the entire core was sampled. ▪ HQ3 friable core was whole core sampled. Samples were single pass crushed to fine crush specifications of 90% passing 3.15mm with 750g of material taken via a splitter directly from the Boyd crusher. All samples for assays were pulverised to a nominal 85% passing 75 microns. Approximately 200-300 grams of this material was retained (master pulp). A subsample for assay was obtained using a spatula from the master pulp. ▪ PQ3 and sonic friable core was whole core sampled, crushed in a single pass through a crusher with a close side setting of 3mm then sub-sampled through Rotary Sample Divider (RSD) for assay with 1 in 15 duplicate samples. Then pulverised to 85% passing 75 microns with an aliquot taken for analysis. The remainder of coarse crushed material was retained for future metallurgical testwork. ▪ HQ3 samples were submitted to ALS Laboratories for elemental analyses via Lithium Borate Fusion (ME-MS81D) with overlimit determination via ALS method ME-XRF30. |
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| CRITERIA | COMMENTARY |
|---|---|
| ▪ PQ3 and sonic samples were submitted to Nagrom for elemental analyses by lithium borate fusion for major and minor elements with XRF reading. REEs were digested by sodium peroxide fusion and ICP-MS determination. ▪ The core and RC samples are considered appropriate for use in resource estimation. |
|
| Quality of assay data and laboratory tests |
▪ HQ3 and RC samples were submitted to ALS Laboratories in Perth for 32 element analyses via Lithium Borate Fusion (ME-MS81D) and major elements determined by ME-ICP06 method. Overlimit determination of Nb and REEs occurred via ME-XRF30 or ME- XRF15b method. ▪ PQ3 and sonic samples were submitted to Nagrom in Perth for 28 element analyses by lithium borate fusion for major and minor elements with XRF reading (XRF106). REEs (18 elements) were analysed by sodium peroxide fusion and ICP-MS determination (ICP004_MS). ▪ Standard laboratory QAQC was undertaken and monitored by the laboratory and then by WA1 geologists upon receipt of assay results. ▪ CRMs were inserted by WA1 at a rate of one for every 20 samples. The CRM results have passed an internal QAQC review. Blanks were also inserted to identify any contamination. ▪ Quartz flushes are inserted into the high-grade zones to minimise any potential material carry over. One in five quartz flushes have been analysed to understand if any carry over occurs in the high- grade zones. ▪ The laboratory standards have been reviewed by the company and havepassed internalQAQC checks. |
| Verification of sampling and assaying |
▪ Results have been uploaded into the Company’s database by an external consultant and then checked and verified. ▪ Analytical QC is monitored by assessing internal and laboratory inserted standards as well as repeat assays. ▪ Performance of coarse crush duplicates indicate that the splitting of the material in the laboratory performed well. ▪ Assays for duplicates from RC drilling suggest fair to good performance of the rig mounted cone splitter. ▪ Mineralised intersections have been verified against the downhole geology. ▪ Any variance in grade from the twin drilling to date is expected and may be attributable to a combination of short-range geological and grade variability, as well as differences in drilling, sampling, core recovery, preparation methods, and downhole sample location control. ▪ Logging and sampling data was recorded digitally in the field. ▪ Significant intersections are inspected by senior Company geologists. ▪ Previously selected samples have been sent to Intertek for umpire laboratory analysis with results showing a strong correlation to the primarylaboratory. |
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| CRITERIA | COMMENTARY |
|---|---|
| Location of data points |
▪ Drillhole collars were initially surveyed and recorded using a handheld GPS. Drill collars will be then surveyed with a DGPS system at appropriate stages of the program. ▪ All co-ordinates are provided in the MGA94 UTM Zone 52 co- ordinate system with an estimated horizontal accuracy of ±3m and an estimated vertical accuracy of ±5m for the handheld GPS. ▪ Azimuth and dip of the drillholes is recorded after completion of the hole using a gyro. A reading is taken at least every 30m with an assumed accuracyof ±1 degree azimuth and ±0.3 degree dip. |
| Data spacing and distribution |
▪ See drillhole table for hole position and details. ▪ Data spacing is actively being assessed and will be considered for its suitability in Mineral Resource estimation. ▪ Drillhole spacing is mostly in the range of 200x200m to 100x50m spacing east-west and north-south. ▪ Closer spaced RC drilling to test variability was done previously at nominal 30m spacings on 240m long traverses in north-west and south-west directions. |
| Orientation of data in relation to geological structure |
▪ The orientation of the oxide-enriched mineralisation is interpreted to be sub-horizontal and derived from eluvial processes upgrading mineralisation. The orientation of primary mineralisation is poorly constrained due to the limited number of drillholes that have sufficiently tested this position. ▪ See drillhole table for hole details and the text of this announcement for discussion regardingthe orientation of holes. |
| Sample security | ▪ Sample security is not considered a significant risk with WA1 staff present during collection. ▪ All geochemical samples were collected and logged by WA1 staff and delivered to either Nagrom in Perth or ALS Laboratories in Perth or Adelaide. ▪ Sample tracking is carried out by connotes, submission forms and the laboratorytrackingsystem. |
| Audits or reviews | ▪ The program and data is reviewed on an ongoing basis by senior WA1personnel. |
Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section.)
| CRITERIA | COMMENTARY |
|---|---|
| Mineral tenement and land tenure status |
▪ All work completed and reported in this ASX Announcement was completed on E80/5173 which is 100% owned by WA1 Resources Ltd. ▪ The Company also currently holds four further granted Exploration Licences and 48 Exploration Licence Applications within the province. |
| Exploration done by other parties |
▪ The West Arunta Project has had limited historic work completed within the Project area, with the broader area having exploration focused on gold, base metals, diamonds and potash. ▪ Significant previous explorers of the Project area include Beadell Resources and Meteoric Resources. Only one drill hole (RDD01) had been completed within the tenement area by Meteoric in 2009 (located approximately17km south-west of the Luni deposit),and |
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| CRITERIA | COMMENTARY |
|---|---|
| more recently additional drilling nearby the Project has been completed by Encounter Resources Ltd. ▪ Most of the historic work was focused on the Urmia and Sambhar Prospects with historic exploration (other than RDD01) being limited to geophysical surveys and surface sampling. ▪ Historical exploration reports are referenced within the WA1 Resources Ltd Prospectus dated 29 November 2021 which was released by ASX on 4 February 2022. ▪ Encounter Resources are actively exploring on neighbouring tenements and have reported intersecting similar geology, includingcarbonatite rocks. |
|
| Geology | ▪ The West Arunta Project is located within the West Arunta Orogen, representing the western-most part of the Arunta Orogen which straddles the Western Australia-Northern Territory border. ▪ Outcrop in the area is generally poor, with bedrock largely covered by Tertiary sand dunes and spinifex country of the Gibson Desert. As a result, geological studies in the area have been limited, and a broader understanding of the geological setting is interpreted from early mapping as presented on the MacDonald (Wells, 1968) and Webb (Blake, 1977 (First Edition) and Spaggiari et al., 2016 (Second Edition)) 1:250k scale geological map sheets. ▪ The West Arunta Orogen is considered to be the portion of the Arunta Orogen commencing at, and west of, the Western Australia- Northern Territory border. It is characterised by the dominant west- north-west trending Central Australian Suture, which defines the boundary between the Aileron Province to the north and the Warumpi Province to the south. ▪ The broader Arunta Orogen itself includes both basement and overlying basin sequences, with a complex stratigraphic, structural and metamorphic history extending from the Paleoproterozoic to the Paleozoic (Joly et al., 2013). ▪ Luni carbonatite was intruded into a paragneiss unit. Fluids from the carbonatite have significantly altered the paragneiss and previous intrusions. ▪ Subsequent weathering led to volume loss and collapse to create a depression in the landscape. This formed a local depocenter where material was transported to and deposited in. ▪ The carbonatite is enriched in Nb and REEs and has undergone further enrichment through eluvialprocesses. |
| Drill hole Information |
▪ Refer to Table 2 for drill hole details. |
| Data aggregation methods |
▪ Selected significant intercepts are calculated by the Weighted Averaged method (by length) using a 0.2% Nb₂O₅ lower cut off, with a maximum of 3m of consecutive internal dilution. The_Including_ intersections were calculated using a 1% Nb2O5lower cut off, with a maximum of 3m of consecutive internal dilution. ▪ Core loss is treated as an interval with the same average grade as the overall intersection. Namely, average grade of the intersection is equal to sum of grade x interval lengths assayed divided by the sum of the lengths of the intervals that were assayed. Then the |
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| CRITERIA | COMMENTARY |
|---|---|
| intersection width is the from depth minus the start depth of the intersection. ▪ TREO is equal to the sum of the concentrations of Ce2O3, La2O3, Nd2O3, Pr6O11, Sm2O3, Eu2O3, Gd2O3, Tb4O7, Dy2O3, Ho2O3, Er2O3, Tm2O3, Yb2O3, Lu2O3, Y2O3and Sc2O3 ▪ No metal equivalents have been reported. |
|
| Relationship between mineralisation widths and intercept lengths |
▪ The oxide mineralisation intersected is sub-horizontal therefore the majority of vertical drilling intercepts are interpreted be at or close- to true thickness. The orientation of the transitional and primary mineralisation remains poorly constrained and true thickness of the intercepts remain unknown. |
| Diagrams | ▪ Refer to figuresprovided within this ASX announcement. |
| Balanced reporting |
▪ All relevant information has been included and provides an appropriate and balanced representation of the results. |
| Other substantive exploration data |
▪ All meaningful data and information considered material and relevant has been reported. ▪ Mineralogical assessments have been undertaken on a select number of samples. ▪ Metallurgical testwork is ongoing. |
| Further work | ▪ Ongoing drilling is aiming to infill the high-grade Nb zones in the north-east and south-west areas of the Luni deposit. ▪ Further interpretation of drill data and assay results will be completed over the coming months, including ongoing petrographic and mineralogical analysis. ▪ Preliminary metallurgical and engineering factors are under consideration and in progress. ▪ Work on theproject is ongoingon multiple fronts. |
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