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Au 11.7g/t U 534 ppm Wits South Africa

Category: GOLD MULTI-ELEMENT 
Product Code: AMIS 0538

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AMIS0538 Au 11.7g/t U 534 ppm Wits South Africa

Origin of Material

This standard is a blend of Ventersdorp Contact Reef, Carbon Leader Reef and Vaal Reef material provided by Harmony Gold in South Africa.

Approximate Mineral and Chemical Composition

Throughout the Witwatersrand, gold ores occur in sheets or reefs originally deposited horizontally under water. The thickness of the reefs range between a lie of grit to several meters, with an average of 300mm. The sediments were also intersected by dykes and sills of dolomite, diabase and synite intruding existing faults. The reefs can be in the form of either course conglomerates, rock pebbles and cemented in a silicate matrix. Pebbles usually derived from vein quarts, may also consist of quartzitc, chert jasper and quartz porphyry. The matrix consists of pure silica, but also contains minute flakes of muscovite and prophylite as well as visible pyrite and other sulphides.The gold is usually confined to the matrix and tends to be concentrated along bedding planes (Vermeulen, 2001).


Analyte 
Au Pb Collection1 11.7 0.59 g/t
S Combustion/LECO2 1.10 0.15 %
SG SG5 2.76 0.07 Dimensionless
U 4A_MICP4 534 28 ppm
U XRF3 521 45 ppm
U3O8 4A_MICP4 0.063 0.003 %
U3O8 XRF3 0.061 0.01 %
Ag 4A_MICP4 2 0.38 ppm
Al 4A_MICP4 3.29 0.35 %
As 4A_MICP4 248 26 ppm
Ba 4A_MICP4 202 20 ppm
Be 4A_MICP4 0.7 0.1 ppm
Bi 4A_MICP4 1 0.3 ppm
Ca 4A_MICP4 999 152 ppm
Co 4A_MICP4 84 5 ppm
Cs 4A_MICP4 2 0.6 ppm
Cu 4A_MICP4 240 30 ppm
Fe 4A_MICP4 1.94 0.16 %
Ga 4A_MICP4 8 1 ppm
Hf 4A_MICP4 2 0.6 ppm
K 4A_MICP4 1.00 0.063 %
La 4A_MICP4 35 6 ppm
Li 4A_MICP4 8 2 ppm
Mg 4A_MICP4 2742 438 ppm
Mn 4A_MICP4 130 8 ppm
Mo 4A_MICP4 2 0.4 ppm
Na 4A_MICP4 870 122 ppm
Nb 4A_MICP4 4 1 ppm
Ni 4A_MICP4 119 7 ppm
P 4A_MICP4 120 36 ppm
Pb 4A_MICP4 199 31 ppm
Rb 4A_MICP4 44 10 ppm
S 4A_MICP4 1.12 0.085 %
Sc 4A_MICP4 4 1 ppm
Sr 4A_MICP4 29 5 ppm
Ta 4A_MICP4 2 0.4 ppm
Th 4A_MICP4 58 15 ppm
V 4A_MICP4 31 7 ppm
W 4A_MICP4 0.6 0.2 ppm
Y 4A_MICP4 25 4 ppm
Zn 4A_MICP4 122 21 ppm

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