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Group Ten Drills 272 m of 1.90 g/t Pt Equivalent (0.42% Ni Equivalent), Starting from Surface at the Iron Mountain Target Area

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Group Ten Drills 272 m of 1.90 g/t Pt Equivalent (0.42% Ni Equivalent), Starting from Surface at the Iron Mountain Target Area






Group Ten Metals Inc. (TSX-V: PGE) (US OTC: PGEZF) (FSE: 5D32) is pleased to announce initial results from drilling completed in 2019 at the Iron Mountain target area at the Company’s flagship Stillwater West PGE-Ni-Cu Project in Montana, USA.


This is the first in a series of planned news releases to report results of 2019 exploration programs which focused on the advancement of drill-defined mineralized zones at five priority target areas. Subsequent news releases will report results from the 2019 drill program at the Camp Zone target area along with results from the re-assaying of past core at three additional priority target areas, ongoing modelling work, and mapping and sampling programs completed in 2019.


Highlights from the three-hole drill program at the HGR zone at Iron Mountain include:


  • 272 meters of 1.90 g/t Total Platinum Equivalent, or 0.42% Total Nickel Equivalent, starting at surface and including 141 meters of 2.59 g/t TotPtEq (or 0.57% TotNiEq), starting at 80 meters depth in hole IM-2019-3 (see Table 1 below);
  • 175 meters of 1.50 g/t TotPtEq, or 0.33% TotNiEq, starting at surface, including 90 meters at 2.04 g/t TotPtEq, or 0.45% TotNiEq, starting at 65 meters depth, in hole IM-2019-2;
  • 327 meters of 1.21 g/t TotPtEq, or 0.26% TotNiEq starting at surface and including 254 meters of 1.39 g/t TotPtEq, or 0.30% TotNiEq, starting at 31 meters depth, in hole IM-2019-1; and
  • Mineralization in all three holes is characterized by broad continuous intervals of strongly disseminated to net-textured to massive sulphides. Higher-grade intervals within the broader packages of mineralization are characterized by higher sulphide contents such as hole IM-2019-3 with 26.8 meters of 1.19 g/t 3E (as 0.33 g/t Pt, 0.77 g/t Pd, plus 0.08 g/t Au) plus 0.34% Ni, 0.15% Cu, and 0.019% Co, for 3.84 g/t TotPtEq, or 0.84% TotNiEq, starting at 94.5 meters depth.


These results have confirmed and expanded the areas of known mineralization at the HGR zone, demonstrating the presence of a significant “Platreef-style” bulk tonnage PGE-Ni-Cu-Co system. This system sits stratigraphically below the world-class JM Reef deposit, located adjacent to Stillwater West, now being mined by Sibanye-Stillwater. The target stratigraphy continues across the remainder of Group Ten’s property and hosts the other multi-kilometer scale targets with coincident geophysical and geochemical anomalies (see Figure 1 below).


Michael Rowley, President and CEO, commented, “We are very pleased with the results of our first drill program in the Iron Mountain target area, with all three holes delivering some of the longest intervals of mineralization ever encountered in the Stillwater district. We have now confirmed the presence of wide intervals of nickel and copper sulphide mineralization starting from surface that are enriched in platinum, palladium, gold, and cobalt.  Overall the results provide an essential proof-of-concept for the presence of “Platreef-style” bulk tonnage mineralization in the lower Stillwater Complex. Our work is identifying much larger mineralized systems than have previously been recognized in the Stillwater Complex, with results that are comparable to the style of mineralization found in the Platreef of South Africa’s Bushveld Complex, host to some of the world’s largest nickel-copper sulphide hosted PGE mines. These new drill results provide valuable information for our 3D block models and advancement of the HGR mineralized zone towards delineation of a first resource. We look forward to reporting additional drill results in the coming weeks from the neighboring Camp Zone and Chrome Mountain target areas, as well as our target definition and refinement programs at earlier-stage targets across the 25-kilometer-wide project.”


Overview of the HGR Zone at the Iron Mountain Target Area


The HGR zone is located within the Iron Mountain target area, one of eight multi-kilometer target areas across the 25 km property (see Figure 1). These targets have been identified as having potential for large-scale deposits of nickel and copper sulphide that are enriched in Platinum Group Elements (“PGEs”), gold and cobalt.


Group Ten has completed initial 3D modelling of historic drill data in five of the eight target areas which demonstrate broad, magmatic-hosted mineralization situated within kilometer-scale geophysical and geochemical soil signatures. The HGR zone highlighted below is one of the most advanced target areas with 21 past drill holes which define mineralization with an approximate 850-meter strike length to a depth of 200 meters (see Figures 2 to 6, and May 7 and June 4, 2019 news releases).


Figure 1 – Fourteen Target Areas Across the 25-Kilometer Length of the Stillwater West Project


 Table 1 – 2019 Drill Results, HGR Zone at the Iron Mountain Target Area


 Highlight intercepts with grade-thickness values over 100 gram-meter TotPtEq are presented above, except as noted. Total Platinum Equivalent (TotPtEq g/t) and Total Nickel Equivalent (TotNiEq %) calculations reflect total gross metal content using metals prices as follows (all USD):  $6.00/lb nickel (Ni), $3.00/lb copper (Cu), $20.00/lb cobalt (Co), $900/oz platinum (Pt), $1,400/oz palladium (Pd), and $1,400/oz gold (Au). Values have not been adjusted to reflect metallurgical recoveries. Total metal equivalent values include both base and precious metals. Total platinum equivalent grade-thickness was determined by multiplying the thickness (in meters) by the Total Platinum Equivalent grade (in grams/tonne) to provide gram-meter values (g-m) as shown. Total nickel equivalent grade-thickness was determined by multiplying the thickness (in meters) by the Total Nickel Equivalent grade (in percent) to provide percent-meter values as shown. Nickel equivalent values may be converted to copper equivalent values by multiplying the NiEq value by the price ratio of the two (ie times two per the above prices), such that 0.5% NiEq equates to 1.0% CuEq. Intervals are reported as drilled widths, and are believed to be representative of true widths.


HGR 2019 Drill Program and Results


The three holes drilled in the HGR zone at Iron Mountain were designed to confirm that PGEs occur systematically within broad zones of nickel and copper sulphides which were not previously analyzed for precious metals. The results have confirmed and expanded the areas of known mineralization at the HGR zone.


Table 1 presents a summary of continuous mineralized intervals from 2019 drill results from the HGR zone, including their corresponding grade thickness values which are some of the highest intercepted to date in the Stillwater Complex. Grade-thickness values are used for comparing the strength of mineralization across different mineralized widths. A grade-thickness value of 25 gram-meter (equivalent to 1 g/t Pt over 25 meters, or 25 g/t Pt over 1 meter) or more are considered economically significant, with the adjacent J-M Reef mines averaging approximately 34 gram-meter Pd and Pt1,2. Values over 100 gram-meter are exceptional, highlighting the strength of the mineralized system.


The HGR zone at the Iron Mountain target area is open for expansion in all directions, including to the east in the direction of an adjacent kilometer-scale geophysical conductive high anomaly that remains untested, and to the west along the layered Stillwater stratigraphy towards the Iron Mountain central target.


Historic sampling has indicated that the PGE mineralization at Stillwater West also includes the rare PGE rhodium along with palladium, platinum and gold. The Company is awaiting the results of rhodium assays from the 2019 Iron Mountain drill holes.

Click here to view Figures 2 to 6, including Iron Mountain cross section.


About Stillwater West


The Stillwater West PGE-Ni-Cu Project positions Group Ten as the second largest landholder in the Stillwater Complex, adjoining and adjacent to Sibanye-Stillwater’s world-leading Stillwater, East Boulder, and Blitz platinum group elements mines in south central Montana, USA, which are among the largest and highest grade palladium and platinum producers in the world1,2. The Stillwater Complex is recognized as one of the top regions in the world for PGE-Ni-Cu mineralization, alongside the Bushveld Complex and Great Dyke in southern Africa, which are similar layered intrusions. The J-M Reef, and other PGE-enriched sulphide horizons in the Stillwater Complex, share many similarities with the highly prolific Merensky and UG2 Reefs in the Bushveld Complex, while the lower part of the Stillwater Complex also shows the potential for much larger scale disseminated and high-sulphide PGE-Ni-Cu deposits, possibly similar to Platreef in the Bushveld Complex4. Group Ten’s Stillwater West property covers the lower part of the Stillwater Complex along with the Picket Pin PGE Reef-type deposit in the upper portion, and includes extensive historic data, including soil and rock geochemistry, geophysical surveys, geologic mapping, and historic drilling.


J-M Reef Deposit Information (Sibanye-Stillwater)


Past Production3:     Over 14 Moz combined Pd+Pt

Mineral Reserves2:    25.6 Moz P&P at 13.4 g/t Pd and 3.8 g/t Pt

Mineral Resources2:  34.1 Moz M&I at 12.8 g/t Pd and 3.6 g/t Pt

                  45.9 Moz Inf at 12.75 g/t Pd and 3.6 g/t Pt

Note 1:   References to adjoining properties are for illustrative purposes only and are not necessarily indicative of the exploration potential, extent or nature of mineralization or potential future results of the Company’s projects. Note 2:  Based on Sibanye-Stillwater’s 2018 Mineral Resources and Mineral Reserves Report. These resource and reserve estimates were prepared by Sibanye-Stillwater based on the South African Code for the Reporting of Mineral Asset Valuation, which differs from the requirements of NI 43-101 and SEC Industry Guide 7. The Company does not have access to such project or underlying information and has not independently verified any of the scientific, technical or exploration information related to such third-party project. Note 3:  Based on publicly disclosed production statistics of Sibanye-Stillwater including most recent Competent Person’s Report. Note 4: Magmatic Ore Deposits in Layered Intrusions—Descriptive Model for Reef-Type PGE and Contact-Type Cu-Ni-PGE Deposits, Michael Zientek, USGS Open-File Report 2012–1010.


About Group Ten Metals Inc.


Group Ten Metals Inc. is a TSX-V-listed Canadian mineral exploration company focused on the development of high-quality platinum, palladium, nickel, copper, cobalt and gold exploration assets in top North American mining jurisdictions. The Company’s core asset is the Stillwater West PGE-Ni-Cu project adjacent to Sibanye-Stillwater’s high-grade PGE mines in Montana, USA. Group Ten also holds the high-grade Black Lake-Drayton Gold project in the Rainy River district of northwest Ontario and the Kluane PGE-Ni-Cu project on trend with Nickel Creek Platinum‘s Wellgreen deposit in Canada‘s Yukon Territory.


About the Metallic Group of Companies


Metallic Group is a collaboration of leading precious and base metals exploration companies, with a portfolio of large, brownfields assets in established mining districts adjacent to some of the industry’s highest-grade producers of silver and gold, platinum and palladium, and copper. Member companies include Metallic Minerals in the Yukon’s high-grade Keno Hill silver district and La Plata silver-gold-copper district of Colorado, Group Ten Metals in the Stillwater PGM-nickel-copper district of Montana, and Granite Creek Copper in the Yukon’s Minto copper district. The founders and team members of the Metallic Group include highly successful explorationists formerly with some of the industry’s leading explorer/developers and major producers. With this expertise, the companies are undertaking a systematic approach to exploration using new models and technologies to facilitate discoveries in these proven, but under-explored, mining districts. The Metallic Group is headquartered in Vancouver, BC, Canada and its member companies are listed on the Toronto Venture, US OTC, and Frankfurt stock exchanges.

Posted December 18, 2019

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