Description
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AMIS0605 Au 0.78 g/t Cu 466 ppm Navachab Namibia
Origin of Material
The raw material of AMIS0604 was sourced from QKR Namibia, Navachab Gold Mine, situated in Namibia, 10km southwest of Karibib and 170km west northwest of Windhoek. The orebody is located in the Central Zone of the Pan-African Damara Orogen.
Approximate Mineral and Chemical Composition
The major gangue minerals are dolomite, calcite, feldspar and quartz with minor garnet, hornblende, diopside, ilmenite, biotite and tremolite. Sulphides comprise pyrrhotite; subordinate pyrite, chalcopyrite and traces of bismuth, bismuthinite, sphalerite and galena. Gold occurs as free gold with minor maldonite (gold-bismuth alloy).
Recommended Concentrations and Limits
(at two Standard Deviations)
Certified Concentrations
Analyte Method Certified (µ)6 (2s)8 ± Unit
Au Pb Collection1 0.783 0.11 g/t
Cu 4A_MICP2 466 20 ppm
C Combustion/LECO3 3630 363 ppm
LOI LOI4 2.57 0.26 %
S Combustion/LECO 0.47 0.03 %
S 4A_MICP 0.47 0.04 %
Al 4A_MICP 6.92 0.27 %
As 4A_MICP 3 0.9 ppm
Ba 4A_MICP 659 120 ppm
Be 4A_MICP 11 2 ppm
Bi 4A_MICP 57 15 ppm
Ca 4A_MICP 3.47 0.37 %
Ce 4A_MICP 68 17 ppm
Cr 4A_MICP 179 17 ppm
Cs 4A_MICP 41 4 ppm
Fe 4A_MICP 5.32 0.21 %
Ga 4A_MICP 20 2 ppm
Hf 4A_MICP 4 1 ppm
In 4A_MICP 0.1 0.03 ppm
K 4A_MICP 3.42 0.14 %
La 4A_MICP 32 4 ppm
Li 4A_MICP 169 10 ppm
Lu 4A_MICP 0.4 0.05 ppm
Mg 4A_MICP 2.37 0.13 %
Mn 4A_MICP 3334 385 ppm
Mo 4A_MICP 8 0.9 ppm
Na 4A_MICP 5698 905 ppm
Nb 4A_MICP 15 1 ppm
Ni 4A_MICP 114 15 ppm
P 4A_MICP 1071 126 ppm
Pb 4A_MICP 12 1 ppm
Rb 4A_MICP 259 11 ppm
Sb 4A_MICP 2 0.4 ppm
Sc 4A_MICP 14 1 ppm
Sn 4A_MICP 4 0.6 ppm
Sr 4A_MICP 166 16 ppm
Ta 4A_MICP 6 1 ppm
Tb 4A_MICP 0.9 0.1 ppm
Te 4A_MICP 0.5 0.08 ppm
Th 4A_MICP 10 2 ppm
Ti 4A_MICP 4494 237 ppm
Tl 4A_MICP 2 0.2 ppm
U 4A_MICP 5 0.5 ppm
V 4A_MICP 158 19 ppm
W 4A_MICP 53 12 ppm
Y 4A_MICP 26 3 ppm
Yb 4A_MICP 3 0.2 ppm
Zn 4A_MICP 64 12 ppm
Zr 4A_MICP 137 23 ppm