Description
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Origin of Material
The Frontier deposit is in the DRC on the east flank of the Kafue anticline, ~30km southeast of Mufulira. The deposit occurs within shales in the upper portions of the Mwashya Subgroup and within the base of the Nguba Group. The deposit is structurally controlled with sulfides in veins and irregular replacements adjacent to a major recumbent fold nucleated along the originally normal faults
Approximate Mineral and Chemical Composition
The orebody consists of a complex network of stockwork to breccia veins that contain an assemblage of dolomite-quartz-chalcopyrite ± bornite.
Recommended Concentrations and Limits
Certified Concentrations (at two Standard Deviations)
Cu 2A_MICP 1.91 0.023 %
Cu 3A_MICP 1.87 0.062 %
Cu 4A_MICP 1.87 0.077 %
Cu AS 1.57 0.17 %
Cu FUS 1.85 0.085 %
Cu SAL 1.55 0.12 %
Cu XRF 1.92 0.042 %
Co 2A_MICP 58 4 ppm
Co 4A_MICP 57 4 ppm
Ag 2A_MICP 0.2 0.03 ppm
C Combustion/LECO 8744 148 ppm
S Combustion/LECO 0.037 0.01 %
LOI LOI 7.68 0.085 %
LOI XRF 8.58 0.70 %
SG SG 2.76 0.048 Dimensionless
Al 2A_MICP 2.78 0.32 %
Al 4A_MICP 3.13 0.16 %
Al FUS 3.15 0.14 %
Ba 2A_MICP 200 24 ppm
Ba 4A_MICP 198 10 ppm
Be 2A_MICP 3 0.3 ppm
Be 4A_MICP 3 0.6 ppm
Ca 4A_MICP 1.90 0.11 %
Ca FUS 1.92 0.15 %
Cd 4A_MICP 0.3 0.05 ppm
Cr 2A_MICP 97 25 ppm
Cr FUS 199 7 ppm
Cs 4A_MICP 2 0.2 ppm
Fe 2A_MICP 4.98 0.39 %
Fe 4A_MICP 4.87 0.21 %
Fe FUS 4.87 0.28 %
Ga 4A_MICP 10 0.9 ppm
Hf 4A_MICP 3 0.4 ppm
K 2A_MICP 4900 740 ppm
K 4A_MICP 6527 603 ppm
K FUS 6925 306 ppm
La 4A_MICP 19 3 ppm
Li 4A_MICP 107 4 ppm
Mg 2A_MICP 5.66 0.56 %
Mg FUS 5.67 0.25 %
Mn 2A_MICP 2753 251 ppm
Mn 4A_MICP 2695 235 ppm
Mn FUS 2706 115 ppm
Na 4A_MICP 325 66 ppm
Ni 2A_MICP 40 6 ppm
Ni 4A_MICP 41 4 ppm
P 2A_MICP 3982 509 ppm
P 4A_MICP 3689 177 ppm
Sc 4A_MICP 9 1 ppm
Si FUS 29.11 1.0 %
Sn 4A_MICP 2 0.2 ppm
Sr 2A_MICP 42 10 ppm
Sr 4A_MICP 42 5 ppm
Ti 2A_MICP 273 54 ppm
Ti FUS 2606 94 ppm
V 2A_MICP 53 5 ppm
V 4A_MICP 63 8 ppm
Y 2A_MICP 28 5 ppm
Y 4A_MICP 31 3 ppm
Zn 2A_MICP 154 33 ppm
Zn 4A_MICP 161 4 ppm
Zr 4A_MICP 123 12 ppm
Major Oxides
Certified Concentrations (at two Standard Deviations)
Al2O3 XRF 6.11 0.27 %
CaO XRF 2.67 0.054 %
Fe2O3 XRF 7.00 0.090 %
K2O XRF 0.77 0.04 %
MgO XRF 9.73 0.30 %
MnO XRF 0.35 0.01 %
P2O5 XRF 0.87 0.03 %
SiO2 XRF 61.23 0.72 %
TiO2 XRF 0.43 0.02 %
Uncertified Concentrations (at two Standard Deviation)
Ag 4A_MICP 0.9 #1.2 ppm
Co 3A_MICP 103.2 91.6 ppm
Co FUS 60.0 9 ppm
S 4A_MICP 0.05 0.02 %
