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Au 5.05g/t U 242ppm Wits South Africa

Category: GOLD MULTI-ELEMENT 
Product Code: AMIS 0540

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Origin of Material

This standard is made of uranium bearing gold ore originating from the Ventersdorp, Contact Reef, Carbon Leader Reef and Vaal Reef. The uranium bearing ore was blended with low grade material of similar matrix to obtain the required grade.

Approximate Mineral and Chemical Composition

The major gangue mineral is quartz with minor pyrite, uraninite and thucolite. It is more enriched in gold and quartz content although high uranium and carbon concentrations are also found. Uraninite grains are penetrated by the carbonaceous matter through cracks and further fragmented into smaller grain.

Au Pb Collection 5.05 0.41 g/t
LOI LOI 1.93 0.45 %
S Comb/LECO 0.70 0.05 %
SG SG 2.76 0.044 Dimensionless
U 4A_MICP 242 28 ppm
U XRF 238 28 ppm
U3O8 4A_MICP 0.030 0.004 %
U3O8 XRF 0.028 0.003 %
As 4A_MICP 130 20 ppm
Ba 4A_MICP 209 29 ppm
Bi 4A_MICP 0.81 0.04 ppm
Ca 4A_MICP 1130 139 ppm
Co 4A_MICP 49 6.7 ppm
Cu 4A_MICP 118 10 ppm
Fe 4A_MICP 13556 1380 ppm
Ga 4A_MICP 8 0.31 ppm
Hf 4A_MICP 2 0.4 ppm
K 4A_MICP 11090 1281 ppm
La 4A_MICP 23 4 ppm
Li 4A_MICP 6 0.6 ppm
Mg 4A_MICP 2935 301 ppm
Mn 4A_MICP 110 20 ppm
Mo 4A_MICP 2 0.2 ppm
Ni 4A_MICP 99 9 ppm
Pb 4A_MICP 93 16 ppm
Rb 4A_MICP 44 5 ppm
Sc 4A_MICP 4 0.5 ppm
Sr 4A_MICP 24 2 ppm
Th 4A_MICP 26 1 ppm
Tl 4A_MICP 0.42 0.06 ppm
V 4A_MICP 29 8 ppm
W 4A_MICP 0.64 0.3 ppm
Y 4A_MICP 12 3 ppm
Zn 4A_MICP 57 12 ppm

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