Description
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AMIS0193 Platinum concentrate, 71.97 g/t 4E, Merensky, Western Limb, South Africa
Origin of Material: AMIS0193 is a commissioned CRM made from material supplied by SGS Minerals Services, using Anglo Platinum Merensky Reef Pt/Pd concentrate material, from the Western Limb of the Bushveld complex.
Mineral and Chemical Composition: The Merensky Reef comprises components of feldspathic pyroxenite, pyroxenite and anorthosite. Peak PGE values are associated with a thin chromitite stringer. Mineralization in this Merensky Reef comprises 2-5% disseminated or net textured magmatic sulphides, predominantly pyrrhotite, pentlandite, chalcopyrite and pyrite. The PGE’s occur as micron-sized satellite grains around but rarely within the sulphides.
Major element chemistry data from 16 of the labs has been compiled and certified. Uncertified summary statistics for trace element data are set out in the appendix.
Recommended Concentrations and Limits
(at two Standard Deviations)
Certified Concentrations
Pt Pb Collection 44.45 ± 3.14 g/t
Pd Pb Collection 20.20 ± 1.64 g/t
Au Pb Collection 2.81 ± 0.18 g/t
Pt NIS 44.29 ± 4.82 g/t
Pd NIS 20.46 ± 0.82 g/t
Au NIS 2.74 ± 0.28 g/t
Ir NiS 1.70 ± 0.12 g/t
Rh NiS 4.51 ± 0.30 g/t
Ru NiS 8.08 ± 0.90 g/t
Co M/ICP 364 ± 36 ppm
Co P 352 ± 28 ppm
Cu M/ICP 8416 ± 534 ppm
Cu P 8483 ± 576 ppm
Ni M/ICP 13132 ± 1185 ppm
Ni P 12990 ± 1320 ppm
Ni XRF 13547 ± 338 ppm
Specific Gravity 3.14 ± 0.18
Provisional Concentrations
Co XRF 422 ± 99 ppm
4E (Pt, Pd, Au & Rh) = 71.97 g/t