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ELEMENT 25 LIMITED — Interim / Quarterly Report 2013
Jan 29, 2014
64810_rns_2014-01-29_ed3efd87-3d5d-4409-b7d6-709fd4ddb1e3.pdf
Interim / Quarterly Report
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December 2013 quarter highlights
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- Butcherbird Manganese Project 14 hole diamond drilling program completed
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- Analyses returned 19.36% to 42.15% Mn with an average grade of 34.5%
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- Peak Hill option extended to 31 January, 2014 for further consideration of $75k and 2.1m RNI options ex @ $0.20
Montezuma Mining Company Limited (ASX: MZM) continued to make further progress in relation to its exploration activities during the quarter ended 31 December 2014.
After the December quarter end, the Company received notification that Grosvenor Gold Pty Ltd (“Grosvenor”) will exercise its option to acquire 100% of the Peak Hill gold project. Subsequent to this, cash proceeds were received and settlement is scheduled for Friday, 31 January 2014.
31 December 2013 Quarterly Report
Market data ASX code: MZM Share price: $0.10 Shares on issue: 70,464,350 Market cap $7.05m Cash at 31/12/2013 $5.83m
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Share price
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| Substantial shareholders | Substantial shareholders | |
|---|---|---|
| Shareholder | Holding | % held |
| JPMorgan Nominees | 5,826,234 | 8.27 |
| Duketon Mining Ltd | 5,382,500 | 7.64 |
| Ranguta Ltd | 5,326,375 | 7.56 |
| Zero Nominees | 4,475,000 | 6.35 |
| Alpha Boxer Ltd | 4,002,500 | 5.68 |
Board and management Chairman Seamus Cornelius Executive Director Justin Brown Non-Executive Director John Ribbons CEO Mike Moore
Butcherbird (100%)
During the December 2013 quarter, a 14 hole, HQ sized (63 mm diameter) diamond drilling program totalling 474 metres (BBDD010 to BBDD023), was completed at Montezuma’s 100% owned Butcherbird Manganese Project (see Table 1). The Project is located approximately 120 km south of the township of Newman in Western Australia. Eight manganese deposits have been delineated within Butcherbird with a total inferred resource (JORC 2004) inventory of 119 million tonnes @ 11.6% (i.e. lower cut of 10% Mn) and an additional 55.9 million tonnes @ 9.3% Mn (i.e. within the 8% to 10% Mn range) (Appendix 1). The purpose of the HQ diamond drilling program was to collect core samples for metallurgical studies. Ore Characterisation and preliminary geotechnical logging were also conducted. Subsequent to drilling, the program included detailed geological logging, petrographic and mineralogical studies plus metallurgical test work. Relatively shallow, vertical diamond holes were completed within four of the Project’s manganese deposits with the majority drilled into Yanneri Ridge, the largest resource defined to date (Figure 1).
Ground Floor, 31 Ventnor Street, WEST PERTH WA 6005
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An improved geological understanding of ore character and host rocks has already been gained from work completed on selected ore samples. Detailed geological logging indicates the ore is hosted in two geological domains; the Upper Saprolite and the combined Lower Saprolite/Saprock. The ore occurs as manganese rich bands or layers predominantly in the range of 1 to 5cm thick intercalated with clays within the weathering profile of the fine-grained sedimentary host rock. Based on logging of diamond hole BBDD012 the cumulative volume of the high-grade bands within the ore zone is approximately 10%, which is approximately 20% by weight. An initial sampling and analysis exercise of the competent high-grade manganese bands gave the following Ore Characterisations (assays are based on results given in Table 2).
Generalised Ore Character of Manganese bands hosted in Upper Saprolite zone:
-
Highest grade Manganese bands are hosted in the upper Saprolite (RUS), range of analyses returned 19.36% to 42.15% Mn with an average grade of 34.5%.
-
Deleterious elements are in an acceptable range returning average grades of 8.7% Fe, 18.5% SiO2, 5% Al203 and 0.07% P.
-
The highest grade of 42%Mn comes from a shallow near surface band confirming empirical observations that surface and near surface material has undergone several phases of enrichment (i.e. multiple phases of mobilisation and precipitation).
Generalised Ore Character of Mn bands hosted in combined Lower Saprolite and Saprock Zones:
-
Composition of bands is approximately 50% combined Mn + Fe ore with the average Mn subordinate to the Fe content.
-
Composition of bands is more variable than in the upper saprolite with the following ranges of 6% to 32% Mn and 11% to 38% Fe .
-
Sample from BBDD012 from 29.02-29.07m shows that not all bands within the lower zones are Fe rich.
Observations are based on a small population of manganese band sampling and further analyses are required to confirm these generalisations. Geological logging shows the Upper Saprolite host domain is thickest, predominantly 20 metre thick and the combined Lower Saprolite/Saprock domain is generally in the order of 5 metre thick (Figure 2).
Metallurgical test work involving scrubbing and screening is currently underway to determine potential beneficiate ore product.
Table 1: Drill Hole Collar Data – HQ Diamond Drill Holes – Butcherbird Project
| Prospect | Site ID | MGA East | MGA North | MGA RL | Max Depth | Dip |
Azimuth |
|---|---|---|---|---|---|---|---|
| Yanneri Ridge | BBDD011 | 774695.210 |
7298006.410 | 623.580 |
20.0 | -90 | 000 |
| Yanneri Ridge | BBDD012 | 773899.640 |
7298003.770 | 635.220 |
34.4 | -90 | 000 |
| Yanneri Ridge | BBDD013 | 773302.310 |
7298004.820 | 631.460 |
32.1 | -90 | 000 |
| Yanneri Ridge | BBDD014 | 773302.360 |
7298002.300 | 631.490 |
31.8 | -90 | 000 |
| Coodamudgi | BBDD015 | 773851.190 |
7299099.600 | 619.900 |
38.2 | -90 | 000 |
| Coodamudgi | BBDD016 | 772691.170 |
7298698.630 | 619.420 |
32.1 | -90 | 000 |
| Yanneri Ridge | BBDD017 | 772500.310 |
7297999.300 | 625.110 |
33.3 | -90 | 000 |
| Yanneri Ridge | BBDD018 | 772098.330 |
7297802.380 | 621.410 |
32.1 | -90 | 000 |
| Richies Find | BBDD019 | 771497.910 |
7297298.580 | 617.360 |
33.6 | -90 | 000 |
| Richies Find | BBDD020 | 770599.540 |
7297500.520 | 609.590 |
34.5 | -90 | 000 |
| Bindi Bindi Hill | BBDD021 | 764598.720 |
7299298.010 | 629.930 |
35.0 | -90 | 000 |
| Bindi Bindi Hill | BBDD022 | 765496.200 |
7299298.670 | 628.890 |
23.0 | -90 | 000 |
| Bindi Bindi Hill | BBDD023 | 765599.170 |
7299650.440 | 622.080 |
35.0 | -90 | 000 |
| Bindi Bindi Hill | BBDD010 | 765594.980 |
7299956.830 | 620.270 |
59.2 | -70 | 180 |
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Figure 1: December 2013 Quarter - Diamond Drill Collars - Butcherbird Project
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Figure 2: Schematic Cross Section showing the location of recent diamond drill hole BBDD012
Ground Floor, 31 Ventnor Street, WEST PERTH WA 6005
Table 2: Analysis of Selective Manganese-rich Bands from Diamond Drill Core
| Hole ID | Depth | Depth | Host | Mn % | Fe % | SiO2 % | Al2O3 | P % | LOI | |
|---|---|---|---|---|---|---|---|---|---|---|
| Prospect | From | to | Lithology | % | 1000C | |||||
| Richies Find | BBDD020 | 25.56 | 25.61 | RSR | 17.6 | 24.1 | 22.7 | 5.6 | 0.08 | 9.8 |
| Richies Find | BBDD020 | 15.63 | 15.695 | RUS | 36.9 | 8.2 | 17.3 | 4.7 | 0.03 | 9.4 |
| Bindi Hill | BBDD027 | 19.36 | 19.4 | RSL | 6.1 | 37.8 | 20.2 | 6.0 | 0.37 | 7.9 |
| Coodamudgi | BBDD016 | 5.85 | 5.9 | RUS | 42.2 | 2.9 | 16.3 | 5.0 | 0.10 | 10.8 |
| Yanneri Ridge | BBDD013 | 24.8 | 24.85 | RUS | 19.5 | 17.0 | 28.0 | 6.8 | 0.13 | 10.1 |
| Bindi Hill | BBDD022 | 5.3 | 5.33 | RUS | 31.7 | 14.5 | 17.4 | 4.5 | 0.06 | 9.6 |
| Bindi Hill | BBDD022 | 17.2 | 17.225 | RSL | 12.2 | 27.4 | 23.8 | 7.3 | 0.18 | 9.8 |
| Yanneri Ridge | BBDD012 | 30.78 | 30.8 | RSR | 14.5 | 26.1 | 22.4 | 6.9 | 0.35 | 10.2 |
| Yanneri Ridge | BBDD012 | 21.050 | 21.085 | RUS | 30.6 | 6.8 | 23.0 | 6.1 | 0.10 | 11.5 |
| Yanneri Ridge | BBDD012 | 14.36 | 14.38 | RUS | 31.4 | 11.4 | 18.8 | 4.8 | 0.05 | 10.7 |
| Yanneri Ridge | BBDD012 | 29.02 | 29.07 | RSL | 32.3 | 11.0 | 19.6 | 5.0 | 0.12 | 10.1 |
| Average | Upper Saprolite | RUS | 34.5 | 8.7 | 18.5 | 5.0 | 0.07 | 10.4 | ||
| Average | Lower Saprolite | RSL & | 17.0 | 29.5 | 22.8 | 9.1 | 0.20 | 9.6 | ||
| Saprock | RSR |
Note: Selective manganese-rich bands 2 to 6.5 centimetres thick collected from HQ diamond core drilled through previously defined low-grade manganese ore zones. Analysis by ALS Laboratory, Perth by XRF method.
Peak Hill/Durack (85-100%)
Montezuma has an option agreement with Grosvenor Gold Pty Ltd (Grosvenor), a wholly owned subsidiary of Resource and Investment NL (ASX:RNI) (“RNI”) whereby Grosvenor may acquire 100% of Montezuma Mining’s interest in the Peak Hill Project by the acquisition of Peak Hill Metals Pty Ltd (a wholly owned subsidiary of Montezuma Mining)[1] . The key terms of the agreement are:
-
Grosvenor paid an initial option fee for an exclusive option until 29 March 2013, and has subsequently extended the option period to 31 January 2014.
-
In consideration for the recent extension, RNI paid Montezuma $75,000 in cash and will also issue Montezuma with 2.1 million RNI options exercisable at $0.20 within three years of the date of issue.
-
Grosvenor being able to exercise the option at any time prior to expiry by paying Montezuma Mining $2.8 million in cash, and issuing 8,400,000 fully paid ordinary shares in RNI, and 2.1 million 35 cent options in RNI.
-
If the option is exercised, Grosvenor must also grant Montezuma Mining a 1% Gross Royalty, capped at $1 million, on all revenue it receives from production from the Peak Hill Project.
-
Grosvenor must meet minimum expenditure commitments on the project during the option period.
1 After the December 2013 quarter end, Montezuma announced RNI’s intention to exercise its option. For further information refer to ASX announcements dated 29 January 2014.
Low-cost gold production pathway for Grosvenor and Peak Hill
RNI announced on 6 November 2013 that updated feasibility studies confirmed the Grosvenor and Peak Hill gold projects in Western Australia’s Bryah Basin can generate robust and sustainable financial returns. The updated studies have doubled the mine life to an initial eight years.
Significantly, the studies produced weighted average life-of-mine cash operating costs of $A990/oz, which meets RNI’s stated goal of identifying a low-cost and near-term production pathway for Grosvenor and the adjoining Peak Hill project targeting costs of less than $A1,000/oz.
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The feasibility studies were undertaken to evaluate the economics of mining various resources within the Grosvenor and Peak Hill projects, which have combined gold resources of approximately two million ounces. Multiple processing options were examined involving the existing 1Mtpa carbon-in-leach (CIL) facility and various leaching options. The studies have concluded that utilising RNI’s CIL gold processing plant and heap leaching lower grade Grosvenor and Peak Hill mineralisation gives the best economic outcome.
Key findings include:
-
Gold production significantly increased to approximately $850Koz gold over eight years;
-
Weighted average cash costs of approximately $A990/oz over the life of mine;
-
Life of mine revenues of over $1.1 billion (using a modelled gold price of $A1,400/oz) and net cash flows (pre-tax, post capex and sustaining capex) of over $200 million;
-
Net Present Value of $149 million (pre-tax) using an 8% (real) discount rate;
-
Two-year payback on pre-production capital expenditure of $40.5 million;
-
82% internal rate of return.
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ASX Additional Information for Quarterly Report to 31 December 2013
| Tenement reference |
Location | Interest at beginning ofquarter |
Acquired / Disposed |
Interest at end of quarter |
|
|---|---|---|---|---|---|
| The mining tenements held at the end of the quarter and their location |
E52/2350 | Butcher Bird WA | 100% | N/A | 100% |
| P52/1227 | Robinson Range WA | 100% | N/A | 100% | |
| P52/1233 | Robinson Range WA | 70% | Disposed | Nil | |
| E52/1529 | Mt Padbury WA | 100%(royalty on iron ore and manganese) |
N/A | 100%(royalty on iron ore and manganese) |
|
| E52/2237 | Peak Hill WA | 100% | N/A | 100% | |
| E52/2413 | Peak Hill WA | 100% | N/A | 100% | |
| E52/2471 | Peak Hill WA | 85% | N/A | 85% | |
| E52/2472 | Peak Hill WA | 100% | N/A | 100% | |
| M52/35 | Peak Hill WA | 100% | N/A | 100% | |
| M52/474 | Peak Hill WA | 100% | N/A | 100% | |
| M52/56 | Peak Hill WA | 100% | N/A | 100% | |
| M52/297 | Peak Hill WA | 100% | N/A | 100% | |
| P52/1343 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1344 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1345 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1348 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1234 | Peak Hill WA | 100% | N/A | 100% | |
| P52/1189 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1190 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1191 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1192 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1193 | Peak Hill WA | 85% | N/A | 85% | |
| M52/801 | Peak Hill WA | 85% | N/A | 85% | |
| E70/4465 | Jubuk WA | 100% | N/A | 100% |
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| Tenement reference |
Location | Interest at beginning ofquarter |
Acquired / Disposed |
Interest at end of quarter |
|
|---|---|---|---|---|---|
| E53/1801 | Mt Fisher WA | Nil | Acquired | 100% | |
| E38/2889 | Malle Hen Point WA | Nil | Acquired | 100% | |
| E39/1781 | Tropicanna WA | 100% | N/A | 100% | |
| E39/1746 | Tropicanna WA | 100% | Disposed | Nil | |
| E28/2302 | Green Dam WA | 100% | N/A | 100% | |
| E28/2313 | Green Dam WA | 100% | N/A | 100% | |
| E28/2327 | Green Dam WA | 100% | N/A | 100% | |
| E57/928 | Currans Find WA | 100% | N/A | 100% | |
| E20/815 | Weld Range WA | 100% | N/A | 100% | |
| E52/2647 | Little Well South WA | 100% | N/A | 100% | |
| E52/2969 | Plutonic North WA | 100% | N/A | 100% | |
| E52/2831 | Millidie Creek WA | 100% | N/A | 100% | |
| E51/1622 | Telegraph Well WA | Nil | Acquired | 100% | |
| E52/2759 | Horseshoe Lights North WA | 100% | N/A | 100% | |
| E52/2658 | Butcherbird South WA | 100% | N/A | 100% | |
| E52/2727 | Butcherbird East WA | 100% | N/A | 100% | |
| E52/2895 | Butcherbird West WA | 100% | N/A | 100% | |
| E52/2806 | Butcherbird North WA | 100% | N/A | 100% | |
| E52/2808 | Butcherbird North East WA | 100% | N/A | 100% | |
| E52/2809 | Woolbunna Bore WA | 100% | Disposed | Nil | |
| E52/2951 | Butcherbird North WA | 100% | N/A | 100% | |
| E52/2953 | Butcherbird North WA | 100% | N/A | 100% | |
| E52/2971 | Beatty Park South WA | 100% | Disposed | Nil | |
| E20/659 | Eelya Hill WA | 10% | N/A | 10% | |
| P20/2018 | Eelya Hill WA | 10% | N/A | 10% | |
| P52/1417 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1418 | Peak Hill WA | 85% | N/A | 85% | |
| P52/1419 | Peak Hill WA | 85% | N/A | 85% | |
| E47/2817 | Hamersley Range WA | 100% | N/A | 100% | |
| E47/2818 | Hamersley Range WA | 100% | N/A | 100% | |
| E47/2819 | Hamersley Range WA | 100% | N/A | 100% | |
| E46/982 | Pilbara WA | 100% | N/A | 100% | |
| E09/1985 | Yalbra WA | 15% | N/A | 15% | |
| E37/1147 | Leonora WA | 100% | N/A | 100% | |
| E37/1176 | Leonora WA | Nil | Acquired | 100% | |
| L52/2 | Peak Hill WA | 100 | N/A | 100% | |
| L52/19 | Peak Hill WA | 100% | N/A | 100% | |
| L52/20 | Peak Hill WA | 100% | N/A | 100% | |
| L52/39 | Peak Hill WA | 100% | N/A | 100% |
Ground Floor, 31 Ventnor Street, WEST PERTH WA 6005
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| Tenement reference |
Location | Interest at beginning ofquarter |
Acquired / Disposed |
Interest at end of quarter |
|
|---|---|---|---|---|---|
| L52/62 | Peak Hill WA | 100% | N/A | 100% | |
| L52/63 | Peak Hill WA | 100% | N/A | 100% | |
| Beneficial percentage interests held in farm-in or farm-out agreement |
E45/2375 | Pilgangoora WA | 10%(no tin-tantalum- lithium rights) |
N/A | 10%(no tin-tantalum- lithium rights) |
FOR MORE INFORMATION…
Mike Moore Ronn Bechler Chief Executive Officer Investor Relations, Market Eye Phone: +61-8 6315 1400 Phone: +61-400 009 774 Email: [email protected] Email: [email protected]
Company information, ASX announcements, investor presentations, corporate videos and other investor material on the Company’s projects can be viewed at http://www.montezumamining.com.au.
About Montezuma Mining
Listed in 2006, Montezuma Mining Company Ltd (ASX: MZM) is a diversified explorer primarily focused on manganese, copper and gold.
The Information in this report that relates to Exploration Results is based on information compiled by Mr Mark Gunther, who is a member of the Australian Institute of Geoscientists. Mr Gunther is a geologist who is a part- time employee of Montezuma Mining Company Ltd and 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 Gunther consents to the inclusion in the release on the matters based on information in the form and context in which it appears.
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Appendix 1: Butcherbird Inferred Resource Estimates (MZM, ASX 7th December 2011)
| Classification | Inferred Resource | |
|---|---|---|
| Cut-off | 10% Mn | |
| Deposit | Tonnes (Mt) | Mn (%) |
| Bindi Bindi Hill | 8.75 | 11.09 |
| Budgie Hills | 1.03 | 10.82 |
| Cadgies Flats | 0.25 | 11.08 |
| Coodamudgi | 12.9 | 11.48 |
| Illgararie Ridge | 17.0 | 10.71 |
| Mundawindi | 14.2 | 12.23 |
| Richies Find | 16.1 | 11.56 |
| SUBTOTAL | 70.2 | 11.4 |
| Yanneri Ridge | 48.8 | 11.8 |
| GLOBAL TOTAL | 119.0 | 11.6 |
Additional Resources estimated with 8% Mn cut for beneficiated product grading under 35% Mn.
| Classification | Inferred Resource | |
|---|---|---|
| Cut-off | 8-10% Mn | |
| Deposit | Tonnes (Mt) | Mn (%) |
| Bindi Bindi Hill | 5.7 | 9.2 |
| Budgie Hills | 3.5 | 8.9 |
| Cadgies Flats | 0.2 | 9.1 |
| Coodamudgi | 3.6 | 9.5 |
| Illgararie Ridge | 18.5 | 9.2 |
| Mundawindi | 2.1 | 9.4 |
| Richies Find | 6.6 | 9.4 |
| SUBTOTAL | 40.1 | 9.3 |
| Yanneri Ridge* | 15.8 | 9.4 |
| GLOBAL TOTAL | 55.9 | 9.3 |
Note: Resource estimate was prepared and first disclosed under the JORC Code 2004. It has not been updated since to comply with the JORC 2012 on the basis that the resource estimate has not materially changed since it was last reported by independent consultants Snowden Mining Industry Consultants announced by Montezuma Mining Company in ASX release 7[th] December 2011.
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Appendix 2 JORC Code, 2012 Edition Compliance – Table 1
Section 1 Sampling Techniques and Data
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Sampling | Nature and quality of sampling (eg cut | 14 HQ3 diameter, diamond holes were drilled at |
| techniques | channels, random chips, or specific | Butcherbird Project for 474.3m. |
| specialised industry standard | Thirteen holes were drilled vertical to intersect | |
| measurement tools appropriate to the | geological horizons at as close to perpendicular as | |
| minerals under investigation, such as down | possible. One hole was drilled at 70 degrees to take |
|
| hole gamma sondes, or handheld XRF | structural measurements. Sampling was undertaken | |
| instruments, etc). These examples should | by selecting potential manganese rich horizons or | |
| not be taken as limiting the broad meaning | bands. |
|
| of sampling. | Drill hole collars were located using Handheld GPS | |
| Include reference to measures taken to | and subsequently picked up by a licensed surveyor | |
| ensure sample representivity and the | using DGPS. Logging of the drill core included colour, | |
| appropriate calibration of any | lithology, weathering, texture, structure, alteration, | |
| measurement tools or systems used. | core recovery, RQD’s and fracture frequency’s. | |
| Aspects of the determination of | Sampling and QAQC was as per industry best practice | |
| mineralisation that are Material to the | protocols. | |
| Public Report.In cases where ‘industry | Diamond core was sampled by selecting Mn-rich | |
| standard’ work has been done this would | bands 2 to 6.5cm thick. | |
| be relatively simple (eg ‘reverse circulation | The samples were sent to Intertek Genalysis in Perth | |
| drilling was used to obtain 1 m samples | where they were pulverized to form pulps. The pulps | |
| from which 3 kg was pulverised to produce | were then assayed using XRF, on a Li borate fused | |
| a 30 g charge for fire assay’). In other cases | bead, for a Mn suite of elements including Mn, Al2O3, |
|
| more explanation may be required, such as | BaO, CaO, Cr2O3, Cu, Fe2O3, K2O, MgO,Na2O, P2O5, |
|
| where there is coarse gold that has | Pb, SiO2, SO3, TiO2, V2O5and LOI’s at 350⁰, 600⁰ and | |
| inherent sampling problems. Unusual | 1000⁰ (Intertex code FB1/XRF25). | |
| commodities or mineralisation types (eg | ||
| submarine nodules) may warrant | ||
| disclosure of detailed information. | ||
| Drilling | Drill type (eg core, reverse circulation, | The drilling technique used was triple tube HQ |
| techniques | open-hole hammer, rotary air blast, auger, | diameter diamond coring with hole depths from 20m |
| Bangka, sonic, etc) and details (eg core | to 59.2m. One of the fourteen holes drilled at an | |
| diameter, triple or standard tube, depth of | angle. This hole was oriented using a Reflex digital | |
| diamond tails, face-sampling bit or other | orientation tool. | |
| type, whether core is oriented and if so, by | ||
| _what method, etc). _ | ||
| Drill sample | Method of recording and assessing core |
Diamond core recoveries were recorded. The |
| recovery | and chip sample recoveries and results | majority of recoveries were good and there were |
| assessed. | minimal recovery problems. | |
| Measures taken to maximise sample | Drilling was slow due to short runs being drilled to | |
| recovery and ensure representative nature | maintain recoveries. | |
| of the samples. | There is no observable relationship between | |
| Whether a relationship exists between | recovery and grade, and therefore no sample bias. | |
| sample recovery and grade and whether | ||
| sample bias may have occurred due to | ||
| preferential loss/gain of fine/coarse | ||
| material. | ||
| Logging | Whether core and chip samples have been | Detailed hard copy logging was conducted on all of |
| geologically and geotechnically logged to a | the drill holes. These have been digitized and are |
|
| level of detail to support appropriate | stored in the database. | |
| Mineral Resource estimation, mining | Logging of the drill core included colour, lithology, | |
| studies and metallurgical studies. | weathering, texture, structure, alteration, core | |
| Whether logging is qualitative or | recovery, RQD’s and fracture frequency’s. All core | |
| quantitative in nature. Core (or costean, | was photographed. | |
| channel, etc) photography. | All holes were logged in full. | |
| The total length andpercentage of the |
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| relevant intersections logged. | ||
|---|---|---|
| Sub- | If core, whether cut or sawn and whether | Selective whole core taken for analysis and |
| sampling | quarter, half or all core taken. | metallurgical test work. Some quarter core was taken |
| techniques | If non-core, whether riffled, tube sampled, | for analysis. |
| and sample | rotary split, etc and whether sampled wet | Not applicable. |
| preparation | or dry. |
The sample preparation followed industry best |
| For all sample types, the nature, quality | practice standards. This involved oven drying and | |
| and appropriateness of the sample | then pulverization of the entire sample in a LM5 or | |
| preparation technique. | equivalent pulverizing mill to 85% passing 75 micron. | |
| Quality control procedures adopted for all | Due to the small number of samples and their nature | |
| sub-sampling stages to maximise | QC involves the review of laboratory supplied | |
| representivity of samples. | certified reference material. These QC results are | |
| Measures taken to ensure that the | reported by the laboratory with the final assay | |
| sampling is representative of the in situ | results. | |
| material collected, including for instance | Anomalous samples were checked against logging | |
| results for field duplicate/second-half | and field observations, Selected samples were | |
| sampling. | reanalyzed to confirm anomalous results. | |
| Whether sample sizes are appropriate to | As whole core was used, field duplicates were not | |
| the grain size of the material being | taken. | |
| sampled. | The samples sizes are considered more than | |
| adequate to ensure there are noparticle size effects. | ||
| Quality of | The nature, quality and appropriateness of | The samples were sent to Intertek Genalysis in Perth |
| assay data | the assaying and laboratory procedures | where the complete samples were pulverized to form |
| and | used and whether the technique is | pulps. The pulps were then assayed using XRF, on a Li |
| laboratory | considered partial or total. | borate fused bead, for a Mn suite of elements |
| tests | For geophysical tools, spectrometers, | including Mn, Al2O3, BaO, CaO, Cr2O3, Cu, Fe2O3, |
| handheld XRF instruments, etc, the | K2O, MgO,Na2O, P2O5, Pb, SiO2, SO3, TiO2, V2O5 | |
| parameters used in determining the | and LOI’s at 350⁰, 600⁰ and 1000⁰ (Intertex code | |
| analysis including instrument make and | FB1/XRF25). This is considered a total sample | |
| model, reading times, calibrations factors | analysis. | |
| applied and their derivation, etc. | No geophysical or portable analysis tools were used | |
| Nature of quality control procedures | to determine assay values stored in the database. | |
| adopted (eg standards, blanks, duplicates, | Internal laboratory control procedures involve | |
| external laboratory checks) and whether | duplicate assaying of randomly selected pulps as well | |
| acceptable levels of accuracy (ie lack of | as internal laboratory standards. All of this data is | |
| bias) and precision have been established. | reported to the company and analysed for | |
| consistency and any discrepancies. | ||
| Verification | The verification of significant intersections | The Company Exploration Manager visually inspected |
| of sampling | by either independent or alternative |
and verified the significant drill intersections. |
| and | company personnel. | Previous RC drilling was twinned by this diamond |
| assaying | The use of twinned holes. | program along with one twinned diamond holes for |
| Documentation of primary data, data entry | display purposes. |
|
| procedures, data verification, data storage | Graphical hardcopy logs were used for field logging | |
| (physical and electronic) protocols. | and these were then digitized for storage in the | |
| Discuss any adjustment to assay data. | database. | |
| No adjustments or calibrations have been made to | ||
| any data. | ||
| Location of | Accuracy and quality of surveys used to | Drill hole locations have been identified using DGPS |
| data points | locate drill holes (collar and down-hole | by a licensed surveyor. |
| surveys), trenches, mine workings and | MGA_GDA94 Zone 50 | |
| other locations used in Mineral Resource | The topographic surface was generated from | |
| estimation. | surveyed drill collar locations and digital terrain | |
| Specification of the grid system used. | models. | |
| Quality and adequacy of topographic | ||
| control. | ||
| Data | Data spacing for reporting of Exploration | The drill hole spacing was variable. |
| spacing and | Results. |
Not applicable |
| distribution | Whether the data spacing and distribution | Not applicable |
| is sufficient to establish the degree of |
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| geological and grade continuity | ||
|---|---|---|
| appropriate for the Mineral Resource and | ||
| Ore Reserve estimation procedure(s) and | ||
| classifications applied. | ||
| Whether sample compositing has been | ||
| applied. | ||
| Orientation | Whether the orientation of sampling | Holes were drilled perpendicular to the resource. |
| of data in | achieves unbiased sampling of possible | Angle hole was drilled outside the current defined |
| relation to | structures and the extent to which this is | resource. |
| geological | known, considering the deposit type. | No sampling biased is believed to have been |
| structure | If the relationship between the drilling | introduced. |
| orientation and the orientation of key | ||
| mineralised structures is considered to | ||
| have introduced a sampling bias, this | ||
| should be assessed and reported if | ||
| material. | ||
| Sample | The measures taken to ensure sample | Sample security is managed by the company. After |
| security | security. | preparation and logging in the field the core, in core |
| trays, was packed onto pallets for shipping back to | ||
| Perth. The core trays were transported by a private | ||
| contractor directly to ALS Metallurgical Laboratories. | ||
| The laboratory unloaded and conducted an audit on | ||
| the core delivered and reported back to the company. | ||
| The company has inspected the core at the | ||
| Laboratory. No discrepancies werefound. | ||
| Audits or | The results of any audits or reviews of | No reviews of sampling techniques have been carried |
| reviews | sampling techniques and data. | out. Occasionally the company conducts its own |
| internal data audits. |
Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section.)
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Mineral | Type, reference name/number, location | The drilling was conducted on Montezuma Mining’s |
| tenement and | and ownership including agreements or | wholly owned E52/2350 exploration tenement. |
| land tenure | material issues with third parties such as | The tenement is in good standing and no known |
| status | joint ventures, partnerships, overriding | impediments exist. |
| 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. | ||
| Exploration | Acknowledgment and appraisal of | Previous exploration identified some anomalism |
| done by other | exploration by other parties. | and identified mineral occurrences but the |
| parties | manganese deposits have been defined by | |
| Montezuma. | ||
| Geology | Deposit type, geological setting and style | The geological setting consists of Proterozoic, fine |
| of mineralisation. | grained, sedimentary host rocks of the Ilgarari Bed | |
| formation. The style of mineralization is that of | ||
| supergene enrichment of relatively flat lying | ||
| manganiferous beds within the near surface | ||
| saprolite weathering zones. Overall low grade | ||
| deposits comprising of thin (1-5cm), moderate to | ||
| highgrade,manganese bands. | ||
| Drill hole | A summary of all information material to | Refer to Tables 1 and 2 in text above. |
| Information | the understanding of the exploration | |
| results including a tabulation of the |
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| 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. | ||
| Data | In reporting Exploration Results, | Due to the flat lying nature of the ore intercepts are |
| aggregation | weighting averaging techniques, | near true width. No cuts have been applied. |
| methods | maximum and/or minimum grade | Not applicable. |
| truncations (eg cutting of high grades) | Not applicable. | |
| and cut-off grades are usually Material | ||
| and should be stated. | ||
| 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 | These relationships are particularly | No definite relationships between mineralization |
| between | important in the reporting of Exploration | widths and intercept lengths are known from this |
| mineralisation | Results. |
drilling as only selective sampling of high grade |
| widths and | If the geometry of the mineralisation with | manganese bands has been conducted thus far. |
| intercept | respect to the drill hole angle is known, its | |
| lengths | 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’). _ | ||
| Diagrams | Appropriate maps and sections (with | Refer to Figures 1 and 2 in the text. |
| 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. | ||
| Balanced | Where comprehensive reporting of all | All selective sampling analyses have been reported. |
| reporting | Exploration Results is not practicable, | |
| representative reporting of both low and | ||
| high grades and/or widths should be | ||
| practiced to avoid misleading reporting of | ||
| Exploration Results. | ||
| Other | Other exploration data, if meaningful and | Not applicable. |
| substantive | material, should be reported including | |
| exploration | (but not limited to): geological | |
| observations; geophysical survey results; |
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| data | 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. | |||
| Further work | | The nature and scale of planned further | Further metallurgical test work is currently being |
| work (eg tests for lateral extensions or | undertaken on the diamond drill core. | ||
| 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. |
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