Description
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AMIS0328 PGM 4E 3.75g/t Merensky South Africa
Origin of Material: AMIS0328 was made using Merensky Reef Pt/Pd ore material supplied by Anglo Platinum Limited 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.
Recommended Concentrations and Limits
(at two Standard Deviations)
Certified Concentrations
Pt Pb Collection 2.14 ± 0.18 g/t
Pd Pb Collection 1.38 ± 0.12 g/t
Au Pb Collection 0.14 ± 0.01 g/t
Pt NIS 2.01 ± 0.18 g/t
Pd NIS 1.36 ± 0.10 g/t
Co M/ICP 149 ± 14 ppm
Cu M/ICP 669 ± 38 ppm
Cu P 663 ± 45 ppm
Cu XRF 679 ± 42 ppm
Ni M/ICP 1945 ± 226 ppm
Ni P 1606 ± 154 ppm
Ni XRF 2065 ± 168 ppm
Specific Gravity 3.33 ± 0.06
Provisional Concentrations
Au NIS 0.13 ± 0.02 g/t
Ir NiS 0.08 ± 0.01 g/t
Rh 0.25 ± 0.04 g/t
Ru NiS 0.42 ± 0.06 g/t
Co P 93 ± 14 ppm
