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Amandelbult, Union Section - Bushveld Complex

Limpopo (Northern) Province, South Africa

Main commodities: PGE PGM Pt Pd
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The Amandelbult (comprising the Tumela and Dishaba mines) and Union (comprising the Union North and Union South mines) sections are hosted by layered mafic and ultramafic rocks of the 2050 Ma Rustenburg Layered Suite of the Bushveld complex in northern South Africa.   Both are located on the NE-SW trending north-western margin of the Western Lobe of the complex, approximately 80 to 100 km north of Rustenberg and 40 to 60 km south of Thabazimbi.

For an outline of the setting, geology and distribution of mineralisation within the Bushveld Complex, see the separate Bushveld Complex record.

The Amandelbult leases cover an area of 20 x 4 km, while the Union Section covers a 9 km length of the reefs.   These mines cover resources in the Merensky and UG2 Reefs.

For details of the occurrence of these reefs in the Western Lobe of the Bushveld Complex, see the Rustenburg Section record.

The ore reserves and mineral resources at the Amandelbult Section Mines at 31 December, 2011 (Angloplats, 2012) were:
    Merensky Reef,
        Proved + Probable Reserve - 41.7 Mt @ 5.78 g/t 4E (Pt+Pd+Rh+Au);,
        Measured + Indicated + Inferred Resource - 145.6 Mt @ 8.08 g/t 4E (Pt+Pd+Rh+Au),
    UG2,
        Proved + Probable Reserve - 210.4 Mt @ 4.77 g/t 4E (Pt+Pd+Rh+Au);
        Measured + Indicated + Inferred Resource - 230.5 Mt @ 5.65 g/t 4E (Pt+Pd+Rh+Au).

The ore reserves and mineral resources at the Union Section Mines at 31 December, 2011 (Angloplats, 2012) were:
    Merensky Reef,
        Measured + Indicated + Inferred Resource - 71.3 Mt @ 6.21 g/t 4E (Pt+Pd+Rh+Au),
    UG2,
        Proved + Probable Reserve - 51.6 Mt @ 4.37 g/t PGE;
        Measured + Indicated + Inferred Resource - 92.1 Mt @ 5.75 g/t 4E (Pt+Pd+Rh+Au).

For detail consult the reference(s) listed below.

The most recent source geological information used to prepare this summary was dated: 2011.     Record last updated: 14/11/2012
This description is a summary from published sources, the chief of which are listed below.
© Copyright Porter GeoConsultancy Pty Ltd.   Unauthorised copying, reproduction, storage or dissemination prohibited.


  References & Additional Information
 References to this deposit in the PGC Literature Collection:
Viljoen M J, de Klerk W J, Coetzer P M, Hatch N P, Kinloch E, Peyerl W  1986 - The Union section of the Rustenburg Platinum Mines Limited with reference to the Merensky Reef: in Anhaeusser C R, Maske S, (Eds.), 1986 Mineral Deposits of South Africa Geol. Soc. South Africa, Johannesburg   v2 pp 1061-1090
Viljoen M J, Theron J, Underwood B, Walters B M, Weaver J, Peyerl W  1986 - The Amandelbult section of Rustenburg Platinum Mines Limited, with reference to the Merensky Reef: in Anhaeusser C R, Maske S, (Eds.), 1986 Mineral Deposits of South Africa Geol. Soc. South Africa, Johannesburg   v2 pp 1041-1060


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