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  • Last updated

    11:00am on Mar 05, 2021

The US operations are supported by a pipeline of exploration stage projects, distributed throughout the Americas, including the Altar, Marathon, Rio Grande and Denison projects. During the year, the Group advanced its strategy of entering into strategic relationships with focussed exploration companies in order to advance these assets.

  • Altar

    The Altar project is a copper-gold property located in San Juan Province, Argentina, approximately 10 km from the Argentina/Chile border and 180km west of the city of San Juan. Altar is at an advanced-stage, consisting of eight wholly-owned and five optioned mining concessions and requiring additional drilling success and studies to allow transition to feasibility.

    Aldebaran Resources Inc (Aldebaran) has entered into a joint venture and option agreement to acquire up to an 80% interest in Peregrine Metals Ltd (Peregrine), a wholly-owned subsidiary of Sibanye-Stillwater, which owns the Altar copper-gold project. Aldebaran is the operator of the joint venture.

    As at 31 December 2020, Altar contains 2,614 million tonnes of mineral resources at 0.3% copper and 0.1 g/t gold (17.9 billion pounds of copper and 6.3 million ounces of gold).

    2020
    Gold mineral resources Tonnes (Mt) Grade (g/t) Gold (Moz)
    Measured 1,005.9 0.09 2.981
    Indicated 1,051.5 0.07 2.253
    Inferred 556.5 0.06 1.087
    Total 2,613.9 0.08 6.321
    2020
    Copper mineral resources Tonnes (Mt) Grade (%) Copper (Mlb)
    Measured 1,005.9 0.34 7,458.0
    Indicated 1,051.5 0.30 7,053.0
    Inferred 556.5 0.28 3,420.0
    Total 2,613.9 0.31 17,931.0
  • Rio Grande

    The Rio Grande project is a copper-gold property located in Salta Province in north-western Argentina, approximately 1,400 km north-west of Buenos Aires. We hold our interest in the project through our 19.9% shareholding in Aldebaran. The project consists of one contiguous block comprising nine mining concessions, totaling 180 claims covering an area of approximately 16,953 hectares, with an expiry date of 22 May 2020.

    As at 31 December 2020, Rio Grande contains 22.3 million tonnes of mineral resources at 0.3% copper and 0.3 g/t gold (134.7 million pounds of copper and 0.236 million ounces of gold).

    2020
    Gold mineral resources Tonnes (Mt) Grade (g/t) Gold (Moz)
    Indicated 14.1 0.36 0.162
    Inferred 8.2 0.28 0.074
    Total 22.3 0.33 0.236
    2019
    Copper mineral resources Tonnes (Mt) Grade (%) Copper (Mlb)
    Indicated 14.1 0.30 93.2
    Inferred 8.2 0.23 41.5
    Total 22.3 0.27 134.7
  • Marathon

    Marathon is a PGM-copper project located in the Province of Ontario, Canada, approximately 10 km north of the town of Marathon, on the north-eastern shore of Lake Superior. The project is managed by our joint venture partner, Generation Mining Limited.

    As at 31 December 2020, Marathon had 65.9 million tonnes at 0.2% copper and 2E+Au PGM grade of 0.7g/t (307.8 million pounds copper and 1.4 million ounces 2PGM+Au) declared attributable mineral resources.

    2020 2019
    PGM mineral resources Tonnes (Mt) Grade (g/t) 2E PGM (Moz) 2E PGM(Moz)
    Total 65.9 0.7 1.4 3.1

    2020 2019
    Copper mineral resources Tonnes (Mt) Grade (%) Copper (Mlb) Copper (Mlb)
    Total 65.9 0.2 307.8 645.8

    26.49% Attributable, non-managed, based on a 20% direct and a 8,11% indirect interest.

  • Denison

    Denison, a PGM-gold project, is approximately 30km to the west southwest of the town of Sudbury, Ontario and was acquired as part of the Lonmin transaction. It includes two zones adjacent to the old workings of the Crean Hill Mine, the 109FW and 9400 Zones and is operated by Wallbridge Mining under the Sudbury Joint Venture.

    The surface and mining rights for the Denison property are currently held as patented ground by Vale but will be transferred to Wallbridge and come with no expiry date, provided mining taxes are paid on the property.

    2020 2019
    2E PGM mineral resources Tonnes (Mt) Grade (g/t) 2E PGM (Moz) 2E PGM (Moz)
    Total 2.5 2.9 0.2 0.05
    2020 2019
    Gold mineral resources Tonnes (Mt) Grade (g/t) Gold (Moz) Gold (Moz)
    Total 2.5 0.5 0.04 0.01
    2020 2019
    Copper mineral resources Tonnes (Mt) Grade (g/t) Copper (Mlb) Copper (Mlb)
    Total 2.5 1.2 66.0

Reference

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