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CRITICA LIMITED — Capital/Financing Update 2021
Nov 17, 2021
64706_rns_2021-11-17_f5f2370e-7d13-43b0-b735-7d1b813b1f74.pdf
Capital/Financing Update
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Thursday 18 November 2021
ASX Announcement
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Mount Lindsay Drilling returns
93 metre zone of Tin–Tungsten Mineralisation
HIGHLIGHTS
[New Drilling at the Mount Lindsay Tin-Tungsten Project, targeting high grade zones ] within the existing deposit has successfully intersected 93m of mineralisation. The intersection in ML339M included a high grade zone of 12 metres (m) at 1.7% Tin (Sn) Eq* from 113 m. The drill program, designed to confirm the continuity of high grade zones and provide additional metallurgical samples, is part of the Company’s updated Feasibility Study for an underground mine.
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The significant intersections from ML339M include the following:
-
93 m @ 0.5% Sn Eq from 107 m including
-
12 m @ 1.7% Sn Eq from 113 m, or
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54 m @ 0.6% Sn Eq from 113 m, and
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30 m @ 0.5% Sn Eq from 170 m, and
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22 m @ 0.6% Sn Eq from 236 m. (Refer Tables One & Two and Figures 1 to 3).
[Tin is an EV Metal ] [(][Refer Figure 6). ] [It is listed as a Critical Mineral by numerous countries ] around the world and is currently trading at ~US$39,000/t which is four times the price of Copper at ~US$9,500/t. There is currently approximately one day’s global supply of tin held in stockpiles by the London Metal Exchange (LME).
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[Mount Lindsay is already one of the largest undeveloped tin projects in the world,] containing in excess of 80,000 tonnes of tin metal and, within the same mineralised body, a globally significant tungsten resource containing 3,200,000 MTU (metric tonne unit)[1 ] of WO3. Over 100,000m of diamond core drilling completed on the project predominately by Venture, which hosts a JORC compliant resource, 70% of which is in the Measured & Indicated categories (Refer Table Three).
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Commenting on the high-grade results from the new drilling at Mount Lindsay, Venture Minerals’ Managing Director Andrew Radonjic, said:
“The first hole of the new drilling program at Mount Lindsay, for the recently started underground Feasibility Study, has seen the MacDonald Shoot deliver further High Grade Tin and Tungsten assay results to confirm the continuity of this High Grade Zone. Additional drilling on the Main Skarn’s High Grade MacDonald Shoot, followed by similar targeted drilling on the No. 2 Skarn’s High Grade Radford Shoot, is expected to return more High Grade results which will increase the confidence in the resource supporting an underground development.”
“The MacDonald and Radford Shoots provide a great foundation for the first stage development for the Mount Lindsay Tin-Tungsten Project whilst exploration will look to extend the life of the asset to a multi-decade opportunity, in keeping with other major mines on the West Coast of Tasmania.”
* See Table One for definition of % Sn Eq.
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
ASX-VMS
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Venture Minerals Limited ( ASX: VMS ) (“ Venture ” or the “ Company ”) is pleased to announce that new Drilling at the Mount Lindsay Tin-Tungsten Project ( Refer Figures 5 & 7 ), targeting high grade zones within the existing deposit has successfully intersected 93m of mineralisation. The intersection in ML339M ( Refer Figure 4 ) from preliminary assays included a high grade zone of 12 metres (m) at 1.7% Tin (Sn) Eq* from 113 m. The drill program, designed to confirm the continuity of high grade zones and provide additional metallurgical samples, is part of the Company’s updated Feasibility Study for an underground mine. The significant intersections from ML339M included the following:
-
93 m @ 0.5% Sn Eq from 107 m including
-
12 m @ 1.7% Sn Eq from 113 m, or
-
54 m @ 0.6% Sn Eq from 113 m, and
-
30 m @ 0.5% Sn Eq from 170 m,
-
and
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22 m @ 0.6% Sn Eq from 236 m.
Venture continues to drill additional holes on the Main Skarn’s High Grade MacDonald Shoot, this will be followed by similar targeted drilling on the No. 2 Skarn’s High Grade Radford Shoot. The preliminary assay results from ML339M where from a nearby laboratory that generated results using a similar analytical technique for some of the suite of elements that are routinely assayed for on Mount Lindsay drill core, the pulps will now be submitted to the preferred laboratory to provide assays for the missing elements and to check the values reported here using the analytical method chosen for the JORC complaint resource ( Refer Table Three ).
The underground Feasibility Study will advance previous scoping study work and includes additional drilling (currently in progress) to further confirm the continuity of the High-Grade MacDonald (named after Tom MacDonald who discovered the Main Zone at Mount Lindsay in 1909 - Refer to ASX Announcement 27 October 2008 ) Shoot in the Main Skarn, and the High-Grade Radford Shoot in the No.2 Skarn. Current drilling will also provide material for finalising a cost effective, gravity-focused, processing flowsheet to concentrate the high-density minerals cassiterite (tin oxide - 79% Sn) and scheelite (81% WO3) ( Refer Figures 1 to 3 ). Additional work will include further detailed engineering studies to firm up the mine design and updating of the permit to reflect the change in mining and processing strategies. The Company is still in the process of building a dedicated team to manage the Study program.
The Mount Lindsay Project ( Refer Figures 5 & 7 ) is already classified by the Australian Government as a Critical Minerals Project[2] with an advanced Tin-Tungsten asset, which is significantly enhanced by the recent discovery of two new skarn zones, one within the Renison Mine Sequence in the Mount Lindsay area and the other along strike from Mount Lindsay’s main tin deposits ( Refer to ASX Announcement 27 September 2021 ). Mount Lindsay is already one of the largest undeveloped tin projects in the world, containing in excess of 80,000 tonnes of tin metal and within the same mineralised body a globally significant tungsten resource containing 3,200,000 MTU (metric tonne unit) of WO3.
Tin is now recognised as a fundamental metal to the battery revolution and new technology ( Refer Figure 6 ). The International Tin Association is predicting a surge in demand driven by the lithium-ion battery market, of up to 60,000tpa by 2030 (world tin consumption was 328,400t in 2020[3] ).
A Metric Tonne Unit (‘MTU’) is equal to ten kilograms per metric tonne and is the standard weight measure of tungsten. Tungsten prices are generally quoted as US dollars per MTU of tungsten trioxide (WO3).
Refer to ‘Australian Critical Minerals Prospectus 2020’ report prepared by the Australian Government represented by the Australian Trade and Investment Commission (Austrade) and Geoscience Australia, October 2020. 3. DATA: International Tin Association, CRU, WBMS.
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia
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T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Figure One | Photo of scheelite glowing blue under short wave ultraviolet light in drill core at 120.2 m in ML339M
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Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Figure Two | Photo of mineralised skarn at 119.9 m in ML339M (Sh = Scheelite)
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Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Figure Three | Photo of coarse grained cassiterite (marked as Cs in the yellow circles on the drill core) at 117.3 m in ML339M
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Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Figure Four | Mount Lindsay Project: Plan showing Mount Lindsay Skarns with drilling and ML339M location on VTEM conductivity image channel 45.
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- Total Mount Lindsay Project Resources including Main and No.2 Skarns (Refer Table Three).
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Figure Five | Mount Lindsay Project: Geology Map showing High Grade Tin-Tungsten Targets
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* MLX ASX Announcement “2021 Renison Mineral Resource Update”, 7 June 2021
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Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Figure Six | Metals most impacted by new technology
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Mount Lindsay Tin-Tungsten Project Highlights Include:
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Over 100,000m of diamond core drilling has been completed on the project predominately by Venture, most of which has been used to define JORC compliant resources with ~70% in the Measured & Indicated categories ;
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Feasibility Study completed with comprehensive metallurgical test-work and post-feasibility delivered a very high grade 75% tin concentrate result that is likely attract price premiums;
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Tin is at ~US$39,000/t (at record highs) , increased by ~195% since early 2016;
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Tungsten’s APT price is at ~US$315/mtu , increased by ~85% since early 2016;
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Several High-Grade Targets with drill results to follow up including Big Wilson with 17.4m @ 2% tin and Webbs Creek with 8.5m @ 0.4% tin & 0.2% tungsten. (Refer Figure 6 and to ASX Announcement 2 August 2012).
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Figure Seven | Location Map of Mount Lindsay Project
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Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Table One: Drill hole location and significant intersections for ML339M
| Hole Number |
East (m) MGA 55 GDA94 |
North (m) MGA 55 GDA94 |
RL (m) AHD83 |
Azimuth (°) MGA |
Dip (°) |
End of hole (m) |
From (m) |
To (m) |
Interval (m) |
Sn % |
WO3 % |
Magnetic Recovery %* |
Iron (Fe) % |
Copper (Cu) ppm |
Sn Eq* % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ML339M | 361,056 | 5,382,428 | 499 | 140 | -70 | 330 | 107 | 200 | 93 | 0.28 | 0.2 | 8 | 24 | 657 | 0.52 |
| Included | 113 | 125 | 12 | 1.17 | 0.45 | 7 | 23 | 288 | 1.65 | ||||||
| or | 113 | 167 | 54 | 0.43 | 0.11 | 8 | 25 | 258 | 0.58 | ||||||
| and | 170 | 200 | 30 | 0.06 | 0.4 | 9 | 25 | 1,520 | 0.70 | ||||||
| and | 227 | 273 | 46 | 0.27 | 0.04 | 20 | 31 | 188 | 0.39 | ||||||
| included | 236 | 258 | 22 | 0.54 | 0.02 | 16 | 28 | 221 | 0.63 |
*Notes:
-
The Sn equivalent formula used to calculate the Sn equivalent values for the Main and No.2 Skarns is as follows: Sn Equivalent (%) = Sn% + (WO3% x 1) + (mass recovery % of magnetic Fe x 0.004) + (Cu% x 0.196);
-
The mass recovery of the magnetic iron (magnetic recovery) was estimated via regression of magnetic susceptibility against previously determined Davis Tube Recovery (DTR) data (n >2000) for the Main and No. 2 Skarns according to the formula Magnetic Recovery % = Magnetic susceptibility 10-3 SI units * 0.0318 + 4.6278;
-
The Sn equivalent formulae use a tin metal price of US$39,000/t, an APT (Ammonium Para Tungstate) price of US$315/mtu (1mtu =10kgs of WO3), a magnetite concentrate price of US$110/t and a copper metal price of US$9,500/t;
-
Pilot scale metallurgical testwork has been completed on the Main and No.2 Skarns as part of the previously completed Feasibility Study as announced on the 7[th of] November 2012 with results indicating the metallurgical recovery for tin is 72%, for WO3 is 83%, for iron in the form of magnetite is 98% and for copper is 58%. The results of this testwork are stated in the ASX release dated 31 August 2012;
-
In the Company’s opinion it believes all elements included in the metal equivalent calculation (as shown above) have a reasonable potential to be sold.
Table Two: ML339M assays. See Appendix One for information on sampling and analytical methods used.
| Hole | From (m) | To (m) | Interval (m) |
Sn % | WO3 % | Magnetic Recovery % |
Fe % | Cu ppm |
|---|---|---|---|---|---|---|---|---|
| ML339M | 104.5 | 107 | 2.5 | <0.01 | 0.03 | 4.7 | 16.2 | 300 |
| ML339M | 107 | 110 | 3.0 | 0.12 | <0.01 | 5 | 22.1 | <100 |
| ML339M | 110 | 113 | 3.0 | 0.08 | 0.11 | 4.6 | 14 | <100 |
| ML339M | 113 | 116 | 3.0 | 1.08 | 0.24 | 9.2 | 22.2 | <100 |
| ML339M | 116 | 119 | 3.0 | 2.57 | 0.5 | 10.9 | 20.6 | 100 |
| ML339M | 119 | 122 | 3.0 | 0.83 | 0.24 | 4.7 | 29.2 | 800 |
| ML339M | 122 | 125 | 3.0 | 0.21 | 0.8 | 5.1 | 18.7 | 200 |
| ML339M | 125 | 128 | 3.0 | 0.08 | <0.01 | 4.8 | 11.4 | <100 |
| ML339M | 128 | 131 | 3.0 | 0.04 | <0.01 | 4.7 | 9.09 | <100 |
| ML339M | 131 | 134 | 3.0 | 0.11 | <0.01 | 4.8 | 23.1 | <100 |
| ML339M | 134 | 137 | 3.0 | 0.16 | <0.01 | 7 | 32 | <100 |
| ML339M | 137 | 140 | 3.0 | 0.1 | <0.01 | 7.1 | 28.1 | 1000 |
| ML339M | 140 | 143 | 3.0 | 0.15 | <0.01 | 8.4 | 26 | 500 |
| ML339M | 143 | 146 | 3.0 | 0.13 | <0.01 | 7.4 | 20.3 | <100 |
| ML339M | 146 | 149 | 3.0 | 0.4 | <0.01 | 6 | 23.8 | <100 |
| ML339M | 149 | 152 | 3.0 | 0.42 | <0.01 | 7 | 32.4 | <100 |
| ML339M | 152 | 155 | 3.0 | 0.52 | 0.06 | 6.5 | 29.8 | <100 |
| ML339M | 155 | 158 | 3.0 | 0.35 | <0.01 | 11.9 | 30.8 | <100 |
| ML339M | 158 | 161 | 3.0 | 0.19 | <0.01 | 6.4 | 22 | <100 |
| ML339M | 161 | 164 | 3.0 | 0.14 | <0.01 | 13.1 | 31.4 | 1000 |
| ML339M | 164 | 167 | 3.0 | 0.23 | <0.01 | 10.7 | 31.1 | 500 |
| ML339M | 167 | 170 | 3.0 | 0.05 | 0.09 | 11.8 | 15.3 | 400 |
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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| Hole | From (m) | To (m) | Interval (m) |
Sn % | WO3 % | Magnetic Recovery % |
Fe % | Cu ppm |
|---|---|---|---|---|---|---|---|---|
| ML339M | 170 | 173 | 3.0 | 0.08 | 0.83 | 5.8 | 22.3 | 2600 |
| ML339M | 173 | 176 | 3.0 | <0.01 | 0.48 | 9.3 | 29.6 | 2600 |
| ML339M | 176 | 179 | 3.0 | 0.08 | 0.17 | 18.8 | 47.3 | 3600 |
| ML339M | 179 | 182 | 3.0 | <0.01 | <0.01 | 13.3 | 30.9 | 1200 |
| ML339M | 182 | 185 | 3.0 | 0.09 | 0.57 | 8.6 | 25.1 | 1300 |
| ML339M | 185 | 188 | 3.0 | 0.1 | 0.65 | 5.9 | 26.2 | 1500 |
| ML339M | 188 | 191 | 3.0 | 0.06 | 0.4 | 11.2 | 21.8 | 1100 |
| ML339M | 191 | 194 | 3.0 | <0.01 | 0.22 | 5.2 | 10.5 | 300 |
| ML339M | 194 | 197 | 3.0 | 0.05 | 0.31 | 7.1 | 15.7 | 600 |
| ML339M | 197 | 200 | 3.0 | 0.13 | 0.4 | 6.2 | 19.1 | 400 |
| ML339M | 200 | 203 | 3.0 | <0.01 | <0.01 | 4.7 | 3.76 | <100 |
| ML339M | 203 | 206 | 3.0 | 0.04 | 0.03 | 4.8 | 9.63 | 100 |
| ML339M | 206 | 209 | 3.0 | 0.05 | 0.02 | 6 | 15.1 | 1300 |
| ML339M | 209 | 212 | 3.0 | <0.01 | <0.01 | 4.7 | 4.29 | 200 |
| ML339M | 212 | 215 | 3.0 | <0.01 | <0.01 | 4.7 | 4.16 | 200 |
| ML339M | 215 | 218 | 3.0 | <0.01 | <0.01 | 4.7 | 3.05 | <100 |
| ML339M | 218 | 221 | 3.0 | <0.01 | <0.01 | 4.8 | 5.98 | <100 |
| ML339M | 221 | 224 | 3.0 | <0.01 | <0.01 | 4.9 | 6.84 | 200 |
| ML339M | 224 | 227 | 3.0 | <0.01 | <0.01 | 8.7 | 8.06 | 400 |
| ML339M | 227 | 230 | 3.0 | <0.01 | 0.02 | 17.2 | 30.2 | 200 |
| ML339M | 230 | 233 | 3.0 | <0.01 | 0.02 | 14.2 | 28.4 | 200 |
| ML339M | 233 | 236 | 3.0 | 0.09 | 0.03 | 11.3 | 33.3 | 100 |
| ML339M | 236 | 239 | 3.0 | 0.69 | 0.03 | 17.3 | 26.7 | 300 |
| ML339M | 239 | 242 | 3.0 | 0.21 | 0.03 | 23.5 | 32.2 | 200 |
| ML339M | 242 | 245 | 3.0 | 0.56 | 0.02 | 16.3 | 34.7 | 400 |
| ML339M | 245 | 246.1 | 1.1 | 1.52 | 0.06 | 5.7 | 24.8 | 500 |
| ML339M | 246.1 | 248.9 | 2.8 | 0.09 | 0.01 | 4.8 | 12 | 200 |
| ML339M | 248.9 | 252 | 3.1 | 0.49 | 0.02 | 9.8 | 26.5 | 100 |
| ML339M | 252 | 255 | 3.0 | 0.74 | 0.02 | 20.4 | 31.5 | <100 |
| ML339M | 255 | 258 | 3.0 | 0.61 | 0.02 | 23.5 | 31.7 | 200 |
| ML339M | 258 | 261 | 3.0 | <0.01 | 0.04 | 29 | 36.6 | 200 |
| ML339M | 261 | 264 | 3.0 | <0.01 | 0.07 | 47.5 | 43.3 | <100 |
| ML339M | 264 | 267 | 3.0 | <0.01 | 0.03 | 30.1 | 32.9 | 200 |
| ML339M | 267 | 270 | 3.0 | <0.01 | 0.15 | 23.4 | 35.7 | 100 |
| ML339M | 270 | 273 | 3.0 | <0.01 | 0.03 | 17.2 | 30.2 | 200 |
| ML339M | 273 | 276 | 3.0 | 0.06 | <0.01 | 4.8 | 10.5 | 400 |
| ML339M | 276 | 279 | 3.0 | 0.02 | 0.12 | 4.8 | 8.12 | 300 |
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Table Three | Resource Statement – Mt Lindsay Tin-Tungsten Project (as previously announced 17 October 2012)
| Lower Cut (Tin equiv) |
Category | Tonnes | Tin Equiv. Grade |
Tin Grade |
Tungsten Grade **(WO3) ** |
Mass Recovery of Magnetic Iron (Fe) Grade |
Copper Grade |
Contained Tin Metal (tonnes) |
Contained WO3 (mtu) |
|---|---|---|---|---|---|---|---|---|---|
| 0.2% | Measured | 8.1Mt | 0.6% | 0.2% | 0.1% | 17% | 0.1% | 18,000 | 1,100,000 |
| Indicated | 17Mt | 0.4% | 0.2% | 0.1% | 15% | 0.1% | 32,000 | 1,200,000 | |
| Inferred | 20Mt | 0.4% | 0.2% | 0.1% | 17% | 0.1% | 32,000 | 960,000 | |
| TOTAL | 45Mt | 0.4% | 0.2% | 0.1% | 17% | 0.1% | 81,000 | 3,200,000 | |
| 0.45% | Measured | 4.3Mt | 0.8% | 0.3% | 0.2% | 18% | 0.1% | 12,000 | 980,000 |
| Indicated | 5.2Mt | 0.7% | 0.3% | 0.2% | 15% | 0.1% | 14,000 | 810,000 | |
| Inferred | 3.9Mt | 0.6% | 0.3% | 0.1% | 9% | 0.1% | 12,000 | 520,000 | |
| TOTAL | 13Mt | 0.7% | 0.3% | 0.2% | 14% | 0.1% | 38,000 | 2,300,000 | |
| 0.7% | Measured | 2.2Mt | 1.1% | 0.3% | 0.3% | 18% | 0.1% | 8,000 | 750,000 |
| Indicated | 1.9Mt | 1.0% | 0.4% | 0.3% | 11% | 0.1% | 7,000 | 480,000 | |
| Inferred | 0.6Mt | 1.0% | 0.5% | 0.3% | 3% | 0.1% | 3,000 | 150,000 | |
| TOTAL | 4.7Mt | 1.1% | 0.4% | 0.3% | 13% | 0.1% | 18,000 | 1,400,000 | |
| 1.0% | Measured | 1.0Mt | 1.5% | 0.5% | 0.5% | 19% | 0.1% | 5,000 | 450,000 |
| Indicated | 0.7Mt | 1.3% | 0.5% | 0.3% | 10% | 0.1% | 4,000 | 220,000 | |
| Inferred | 0.2Mt | 1.4% | 0.7% | 0.3% | <1% | <0.1% | 2,000 | 70,000 | |
| TOTAL | 1.9Mt | 1.4% | 0.5% | 0.4% | 14% | 0.1% | 10,000 | 750,000 |
Reporting to two significant figures. Figures have been rounded and hence may not add up exactly to the given totals. Full details of the Note: estimate are in the ASX release for the Quarterly Report on 17 October 2012. This information was prepared and first disclosed under the JORC Code 2004. It has not been updated since to comply with the JORC Code 2012 on the basis that the information has not materially changed since it was last reported.
Notes:
-
The Sn equivalent formula used to calculate the Sn equivalent values for the Main and No.2 Skarns is as follows: Sn Equivalent (%) = Sn% + (WO3% x 1.90459) + (mass recovery % of magnetic Fe x 0.006510) + (Cu% x 0.28019). Whereas for the Sn equivalent formula used to calculate the Sn equivalent values for the Stanley River South and Reward Skarns is as follows: Sn Equivalent (%) = Sn% + (WO3% x 1.65217) + (Cu% x 0.34783);
-
The mass recovery of the magnetic iron is determined mostly by Davis Tube Results (“DTR”);
-
The Sn equivalent formulae use a tin metal price of US$23,000/t, an APT (Ammonium Para Tungstate) price of US$380/mtu (1mtu =10kgs of WO3), a magnetite concentrate price of US$110/t and a copper metal price of US$8,000/t;
-
Pilot scale metallurgical testwork has been completed on the Main and No.2 Skarns with results indicating the metallurgical recovery for tin is 72%, for WO3 is 83%, for iron in the form of magnetite is 98% and for copper is 58%. The results of this testwork are stated in the ASX release dated 31 August 2012;
-
It is the Company’s opinion that the tin, WO3 and copper as included in the metal equivalent calculations for the Stanley River South and Reward Skarns have a reasonable potential to be recovered for when the Mt Lindsay Project goes into production.
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Authorised by the Managing Director on behalf of the Board of Venture Minerals Limited:
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Andrew Radonjic
Managing Director
The information in this report that relates to Exploration Results, Exploration Targets and Minerals Resources is based on information compiled by Mr Andrew Radonjic, a fulltime employee of the company and who is a Member of The Australasian Institute of Mining and Metallurgy. Mr Andrew Radonjic has sufficient experience which is relevant to the style of mineralisation and type of deposits 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 Andrew Radonjic 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 report that relates to Mineral Resources for the Mount Lindsay Project is based on information compiled by Mr Andrew Radonjic, a fulltime employee of the company and who is a Member of The Australasian Institute of Mining and Metallurgy. Mr Andrew Radonjic has sufficient experience which is relevant to the style of mineralisation and type of deposits under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2004 and 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’. Mr Andrew Radonjic consents to the inclusion in the report of the matters based on his information in the form and context in which it appears. This information was prepared and first disclosed under the JORC Code 2004. It has not been updated since to comply with the JORC Code 2012 on the basis that the information has not materially changed since it was last reported.
Notes: All material assumptions and technical parameters underpinning the Minerals Resource estimate referred to within previous ASX announcements continue to apply and have not materially changed since last reported. The company is not aware of any new information or data that materially affects the information included in this announcement.
About Venture
Venture Minerals Ltd (ASX: VMS) is entering an exciting phase as the Company moved from a highly successful explorer to producer with completion of the first shipment from the Riley Iron Ore Mine in northwest Tasmania. At the neighbouring Mount Lindsay Tin-Tungsten Project, higher Tin prices and the recognition of Tin as a fundamental metal to the battery revolution has refocused Venture’s approach to developing Mount Lindsay. Already one of the world's largest undeveloped Tin-Tungsten deposits, the Company has commenced an Underground Feasibility Study on Mount Lindsay that will leverage off the previously completed work. In Western Australia, Chalice Mining (ASX: CHN) recently committed to spend up to $3.7m in Venture’s South West Project, to advance previous exploration completed by Venture to test a Julimar lookalike Nickel-Copper-PGE target. At the Company’s Golden Grove North Project, it has already intersected up to 7% Zinc, 1.3% Copper and 2.1g/t Gold at Orcus and has identified several, strong EM conductors to be drill tested along the 5km long VMS (Volcanogenic Massive Sulfide) Target Zone, along strike to the world class Golden Grove Zinc-Copper-Gold Mine. Venture recently doubled the Nickel-Copper-PGE landholding at Kulin by securing two highly prospective 20-kilometre long Ni-Cu-PGE targets.
COVID-19 Business Update
Venture is responding to the COVID-19 pandemic to ensure impacts are mitigated across all aspects of Company operations. Venture continues to assess developments and update the Company’s response with the highest priority on the safety and wellbeing of employees, contractors and local communities. Venture will utilise a local workforce and contractors where possible, and for critical mine employees that are required to fly in and fly out, Venture has obtained the appropriate COVID-19 entry permits into Tasmania.
Authorised by: For more information, please contact Andrew Radonjic Cameron Morse Managing Director Media enquiries Venture Minerals Limited FTI Consulting Telephone: +61 (0) 8 6279 9428 Telephone: +61 (0) 8 9321 8533 Email: [email protected] Mobile: +61 (0) 433 886 871 Email: [email protected]
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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Appendix One
JORC Code, 2012 Edition | ‘Table 1’ Report
Section 1 Sampling Techniques and Data
(Criteria in this section apply to all succeeding sections)
| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Sampling techniques |
• Nature and quality of sampling (e.g.: cut |
• One (1) diamond drill hole ML339M for 330 m was drilled into the Mt Lindsay Sn-W deposit. All assays completed are reported. • Drill core was cut by diamond core saw and continuous 1/5thHQ core samples taken for assay in intervals ranging from 1.09 m to 3.09 m (dominantly 3 m long intervals) according to lithological criteria. • Drilling and sampling was supervised by a suitably qualified Venture Minerals geologist. • The drill core was sampled in geologically appropriate intervals and submitted to commercial assay laboratory for assay. |
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. • 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 (e.g.: ‘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 (e.g.: submarine nodules) may warrant disclosure of detailed information. |
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| Drilling techniques | • Drill type (e.g.: core, reverse circulation, open- hole hammer, rotary air blast, auger, Bangka, sonic, etc..) and details (e.g.: 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..). |
• This report is based on a single drill hole ML339M drilled with a CSD1800 track mounted diamond coring rig operated by Wholecore Pty Ltd. • ML339M was cored from surface through weathered and broken basement to end of hole at 330m with HQ diameter core. |
| Drill sample recovery |
• Method of recording and assessing core and chip |
• Average drill core recovery for the entire hole was >96%. |
| 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. |
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| 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. • Whether logging is qualitative or quantitative in nature. Core (or costean, channel, etc.) photography. • The total length and percentage of the relevant intersections logged. |
• ML339M was lithologically and structurally logged in its entirety by suitably qualified Venture Minerals geologists. • The drill core was orientated using a Boart Longyear TruCore downhole orientation device to end of hole. • ML339M was orientation surveyed using a Boart Longyear TruShot downhole survey tool to end of hole. • All core was photographed. • Mineral Resources have not been estimated. • The detail of geological logging is considered sufficient for mineral exploration. |
| Sub-sampling techniques and sample preparation |
• If core, whether cut or sawn and whether quarter, |
• The cutting and sampling of core samples was conducted by a Venture Minerals field technician using a diamond core saw under supervision of a suitably qualified Venture Minerals geologist. • Potentially mineralised zones were 1/5th core sampled in geological intervals ranging from 1.09 m to 3.09 m length. • Core samples were collected into calico bags and submitted to SGS Renison (“SGS”) crushing, pulverising, and assaying along with suitable reference materials. • Core sampling was continuous leaving continuous remnant 4/5th core in the trays for future reference. • Core sample weights for assay ranged from 2.4 kg to 9.4 kg each (mean 6.9 kg). • The assay results match observed mineralisation well and 1/5th core sample sizes are considered adequate for the observed mineralisation. • Core duplicate samples were collected at a minimum rate of one duplicate per30 samples. |
half or all core taken. |
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| • 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. |
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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| Criteria | JORC Code explanation | Commentary |
|---|---|---|
| Quality of assay data and laboratory tests |
• The nature, quality and appropriateness of the |
• Assaying was conducted at SGS Renison. Sn, WO3, Cu and Fe were determined by industry standard XRF on fused glass discs (SGS method XRF78S). • Magnetic susceptibility was determined by Venture Minerals personnel with a KT-10 magnetic susceptibility meter. Magnetic recovery was then estimated via regression of magnetic susceptibility against previously determined Davis Tube Recovery (DTR) data (n >2000) for the Main and No.2 Skarns according to the formula Magnetic Recovery % = Magnetic susceptibility 10-3 SI units * 0.0318 + 4.6278 • Commercially certified multi element reference materials of appropriate grades were included in the assay sample submissions by Venture Minerals at a minimum rate of one standard per 30 samples. Results for Cu and Fe are within 2% of the certified values,and Sn with 12 % of the certified values. |
assaying and laboratory procedures used and |
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| 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. • |
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| Verification of sampling and assaying |
• The verification of significant intersections by |
• The use of twinned holes is not applicable at this stage. • Primary data is stored and documented in industry standard ways. • The assay results are compatible with observed mineralogy. • Venture Minerals assay data is as reported by SGS and has not been adjusted in any way. • Remnant assay pulps are held in storage by Venture Minerals but will be submitted to ALS Laboratory in Perth for further analyses. |
either independent or alternative company |
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| 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. |
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| Location of data points |
• Accuracy and quality of surveys used to locate |
• Drill hole locations were determined by handheld GPS considered accurate to ±5 m. • All co-ordinates were recorded in MGA Zone 55 datum GDA94. • Topographic control is provided by LiDAR survey considered accurate to ±30cm and Tasmanian Department of State Growth LIST topographic map sheets. |
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. |
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| Data spacing and distribution |
• Data spacing for reporting of Exploration Results. |
• Drill hole spacing in the Main Skarn ranges from approximately 25 m by 10 m to a maximum of c. 120 m. • The data spacing and distribution is considered sufficient to allow estimation of tin, tungsten, magnetite and copper resources as previously announced to the ASX on 17 October 2012 and additionally available fromhttp://ventureminerals.com.au • Sample compositing is not applicable. |
| • 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. |
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| Orientation of data in relation to geological structure |
• Whether the orientation of sampling achieves |
• Observations of sedimentary bedding in orientated drill core indicate drilling was at a shallow angle (sub-parallel) to stratigraphy and observed sulfide and magnetite skarn. • The observed mineralisation appears largely stratabound. |
unbiased sampling of possible structures and the |
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| 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. |
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| Sample security | • The measures taken to ensure sample security. |
• The chain of custody from the drill rig and the storage and sampling of all drill core is managed by Venture personnel. The level of security is considered appropriate. |
| Audits or reviews | • The results of any audits or reviews of sampling techniques and data. |
• The geological logging has been reviewed by Venture management. |
Section 2 Reporting of Exploration Results
(Criteria listed in the preceding section also apply to this section)
| Criteria | Explanation | Commentary |
|---|---|---|
| Mineral tenement and land tenure status |
• Type, reference name/number, location and |
• ML339M is located within granted Mining Lease 7M/2012 held 100% by Venture Minerals Ltd. |
ownership including agreements or material |
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| 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 alongwithanyknown impediments to |
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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| Criteria | Explanation | Commentary |
|---|---|---|
| obtaining a licence to operate in the area. | ||
| Exploration done by other parties |
• Acknowledgment and appraisal of exploration by |
• Alluvial tin was discovered in the Stanley River area around 1893 and subsequently developed into the Stanley River Tin Fields. Cassiterite-bearing gossans were subsequently discovered at Stanley Reward and the adjacent Mount Lindsay in the early 1900s with minor small-scale open-cut and underground tin mining occurring to about 1932. Production records are incomplete but included at least 59.8 tons of lode tin from Mount Lindsay, and at least 79.6 tons of alluvial tin. Exploration for skarn and carbonate replacement tin mineralisation was resumed in the 1960s by several mining and exploration companies, most notably CSR Ltd, Aberfoyle Tin Development Partnership and Renison Ltd, and continued until the mid-1980s. |
other parties. |
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| Geology | • Deposit type, geological setting and style of mineralisation. |
• The Mount Lindsay – Stanley River magnetite-tin-tungsten deposits are hosted by the Neoproterozoic Success Creek Group and Crimson Creek Formation within the southern contact metamorphic aureole of the Meredith Granite. The Meredith Granite is part of a suite of Devonian granites which is very important to tin-tungsten mineralisation in Tasmania, and deposits associated with this suite include the Renison Bell and Mount Bischoff tin mines, the Cleveland tin and copper mine, and the King Island tungsten mine. • Exploration indicates the presence of at least eight magnetite-tin- tungsten skarn, greisenized skarn and carbonate replacement deposits in the Mount Lindsay – Stanley River area. Resources are reported here for the Main and No.2 deposits which are hosted by calcareous sandstone horizons within the Crimson Creek Formation, and the Reward and Stanley River South deposits within dolomite and conglomerate of the Renison Mine Sequence, upper Success Creek Group and lowermost Crimson Creek Formation. |
| Drill hole Information |
• A summary of all information material to the |
• ML339M was drilled to confirm the continuity of the high grade zones within the Main Skarn (MacDonald Shoot) at Mount Lindsay and to provide additional metallurgical samples. • Location and orientation details are given in Table 1. • Collar location was determined by handheld Garmin GPS62 and is considered accurate to ±5m. • Topographic control is provided by LiDAR survey flown and processed by AAM Hatch for Venture Minerals and considered accurate to ±30cm. • Additional geographic reference is provided by Tasmanian Department of State Growth LIST topographic data and map sheets. |
understanding of the exploration results including a tabulation of the following information for all Material drill holes: - easting and northing of the drill hole collar - elevation or RL (Reduced Level – elevation above sea level in metres) of the drill hole collar - dip and azimuth of the hole - down hole length and interception depth - 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. |
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| Data aggregation methods |
• In reporting Exploration Results, weighting |
• Assay results given in Table 2 represent the drill core and the drill cuttings intervals as sampled and assayed. • No data aggregation methods have been applied. • Metal equivalents have not been applied. |
averaging techniques, maximum and/or minimum grade truncations (e.g. cutting of high grades) 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. |
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| Relationship between mineralisation widths and intercept lengths |
• These relationships are particularly important in |
• Bedding in orientated drill core indicate drilling was at a low angle to stratigraphy. The apparent thickness of the observed sulfide and magnetite skarn is not considered close to true thickness. |
the reporting of Exploration Results. |
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| • 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 (e.g. ‘down hole length, true width not known’). |
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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| Criteria | Explanation | Commentary |
|---|---|---|
| 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. |
• An appropriate exploration plan is included in the body of this release. |
| Balanced reporting |
• Where comprehensive reporting of all |
• Assay results and intervals as sampled are reported in Table 2. |
| 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. |
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| Other substantive exploration data |
• Other exploration data, if meaningful and |
• Appropriate maps and drill section are included in the body of this report. |
material, should be reported including (but not limited to): geological observations; 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. |
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| Further work | • The nature and scale of planned further work (e.g. 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. |
• Venture proposes to drill additional holes on the Main Skarn’s High Grade MacDonald Shoot, this will be followed by similar targeted drilling on the No. 2 Skarn’s High Grade Radford Shoot for the same purposes. • An appropriate exploration plan is included in the body of this release. |
Venture Minerals Limited | ASX : VMS Level 3, Suite 3, 24 Outram Street, West Perth, Western Australia T: + 61 8 6279 9428 | F: + 61 8 6500 9986 | [email protected] | www.ventureminerals.com.au
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