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PGM 4E 5.25g/t Platreef South Africa

Category: PLATINUM GROUP METALS 
Product Code: AMIS 0487

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Origin of Material

This CRM was made from platreef material from the bushveld complex. 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.

Recommended Concentrations and Limits

(at two Standard Deviations)

Certified Concentrations

 

Au Pb Collection 2.48 0.17 g/t

Pt Pb Collection 1.52 0.32 g/t

Pd Pb Collection 1.20 0.16 g/t

Au NiS 2.43 0.20 g/t

Pt NiS 1.51 0.31 g/t

Pd NiS 1.22 0.15 g/t

Rh NiS 0.083 0.02 g/t

Ir NiS 0.026 0.01 g/t

Ru NiS 0.10 0.03 g/t

Co 4A_MICP 142 9 ppm

Cu 4A_MICP 901 108 ppm

Cu FUS 897 86 ppm

Ni 4A_MICP 1440 128 ppm

Ni FUS 1457 169 ppm

Ni XRF 1443 148 ppm

S Comb/LECO 0.54 0.1 %

SG SG5 3.1 0.3 Dimensionless

 

 

Recommended Concentrations and Limits

(at two Standard Deviations)

 

Certified Concentrations

                                     

Analyte

Method

8Certified(µ)

10Two Standard deviation (2s) ±

Unit

Au

Pb Collection1

2.48

0.17

g/t

Pt

Pb Collection1

1.52

0.32

g/t

Pd

Pb Collection1

1.20

0.16

g/t

Au

NiS7

2.43

0.20

g/t

Pt

NiS7

1.51

0.31

g/t

Pd

NiS7

1.22

0.15

g/t

Rh

NiS7

0.083

0.02

g/t

Ir

NiS7

0.026

0.01

g/t

Ru

NiS7

0.10

0.03

g/t

Co

4A_MICP2

142

9

ppm

Cu

4A_MICP2

901

108

ppm

Cu

FUS4

897

86

ppm

Ni

4A_MICP2

1440

128

ppm

Ni

FUS4

1457

169

ppm

Ni

XRF3

1443

148

ppm

S

Comb/LECO6

0.54

0.1

%

SG

SG5

3.1

0.3

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VCS is a Reserve Bank Registered System Operator and a Member of Association of System Operators.