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PGM 4E 4.88 g/t Platreef South Africa

Category: PLATINUM GROUP METALS 
Product Code: AMIS 0499

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AMIS0499 PGM 4E 4.88 g/t Platreef South Africa


Recommended Concentrations and Limits
(at two Standard Deviations)

Certified Concentrations

Analyte Method Certified Two Standard deviation


Au Pb Collection1 0.31 0.04 g/t
Pt Pb Collection1 2.16 0.34 g/t
Pd Pb Collection1 2.43 0.19 g/t
Au NiS6 0.28 0.06 g/t
Pt NiS6 2.06 0.20 g/t
Pd NiS6 2.42 0.60 g/t
Rh NiS6 0.12 0.02 g/t
Ir NiS6 0.034 0.008 g/t
Ru NiS6 0.12 0.01 g/t
Co 4A_MICP2 107 12 ppm
Co FUS4 116 26 ppm
Cr FUS4 1354 174 ppm
Cu 4A_MICP2 2472 231 ppm
Cu FUS4 2495 160 ppm
Ni 4A_MICP2 3731 373 ppm
Ni FUS4 3760 178 ppm
SG SG5 3.07 0.27 Dimensionless

Major Oxides

Certified Concentrations
(at two Standard Deviations)

Analyte Method Certified Two Standard deviation
Al2O3 XRF3 6.43 0.081 %
CaO XRF3 12.1 0.37 %
Cr2O3 XRF3 0.20 0.02 %
Fe2O3 XRF3 10.06 0.18 %
K2O XRF3 0.17 0.02 %
MgO XRF3 20.0 0.18 %
Na2O XRF3 0.34 0.03 %
SiO2 XRF3 44.54 0.365 %
TiO2 XRF3 0.19 0.02 %

Origin of Material

This is a medium grade platreef material from the Bushveld complex. The material was supplied by Anglo Platinum from Mokgalakwena Mine. The lowermost Bushveld unit over much of the limb is the upper sections of the Critical Zone. A sulphide bearing composite pyroxenite layer of variable thickness occurring near the base of the main layered mafic mass is known as the Platreef and hosts the important PGE deposits with associated Cu & Ni at Mokopane where it rests on basement.

Approximate Mineral and Chemical Composition

Platreef is a Pt/Pd/Ni/Cu ore. Mineralization in this Platreef comprises 2-5% disseminated or net textured magmatic sulphides, mainly pyrrhotite, pentlandite and chalcopyrite. The PGE’s occur as micron-sized satellite grains around but rarely within the sulphides.

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