Description
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Origin of Material
The material was sourced from the Sentinel Copper Mine owned by Kalumbila Minerals Limited (KML), a First Quantum subsidiary. The Sentinel copper mine is situated on the southern portion of the Trident copper project area. The mine is a strata bound, sediment hosted copper-nickel-cobalt deposit. Sentinel is approximately 150 kilometers west of the town of Solwezi in Northwestern Province of Zambia.
Approximate Mineral and Chemical Composition
The Sentinel copper deposit is a structurally modified sediment hosted copper deposit. Copper mineralisation is hosted within a phyllite package. Copper mineralisation is dominated by chalcopyrite which occurs as fine to coarse disseminations and or veinlets, with extensive zones of pyrite, particularly in the hanging wall, and with pyrrhotite occurring throughout. The copper sulphides are focused in a relatively carbon-rich zone in the center of the phyllite hosted orebody. The host phyllite is very fine grained, with quartz, muscovite, biotite and iron sulphides present.
Recommended Concentrations and Limits
(at two Standard Deviations) Certified Concentrations
Cu 4A_MICP 7339 301 ppm
Cu FUS 7361 418 ppm
Co 4A_MICP 251 53 ppm
Ni 4A_MICP 106 12 ppm
Au Pb Collection 0.022 0.004 g/t
C Combustion/LECO 2.70 0.17 %
S Combustion/LECO 1.82 0.16 %
LOI LOI 5.91 0.55 %
SG SG 2.85 0.12 Dimensionless
Al FUS 7.95 0.35 %
Ba 4A_MICP 511 26 ppm
Ba FUS 521 14 ppm
Be 4A_MICP 3 0.5 ppm
Bi 4A_MICP 2 0.2 ppm
Ca 4A_MICP 2673 131 ppm
Cr 4A_MICP 166 11 ppm
Cs 4A_MICP 5 0.4 ppm
Fe 2A_MICP 3.30 0.26 %
Fe 4A_MICP 3.16 0.31 %
Fe FUS 3.10 0.11 %
Ga 4A_MICP 19 4 ppm
K 4A_MICP 3.33 0.44 %
K FUS 3.59 0.092 %
Li 4A_MICP 31 2 ppm
Mg 4A_MICP 1.98 0.16 %
Mg FUS 2.05 0.11 %
Mn 2A_MICP 143 32 ppm
Mn 4A_MICP 138 16 ppm
Mn FUS 143 12 ppm
Mo 4A_MICP 10 2 ppm
Na 4A_MICP 2150 370 ppm
P 4A_MICP 570 90 ppm
Sc 4A_MICP 13 2 ppm
Si FUS 31.04 2.3 %
Sr 4A_MICP 36 8 ppm
Sr FUS 39 8 ppm
Th 4A_MICP 15 2 ppm
Ti FUS 3299 102 ppm
V 4A_MICP 113 11 ppm
W 4A_MICP 2 1 ppm
Y 4A_MICP 11 2 ppm
Zn 4A_MICP 28 8 ppm
Zr 4A_MICP 143 11 ppm
Major Oxides
Certified Concentrations (at two Standard Deviations)
CaO XRF 0.39 0.05 %
Fe2O3 XRF 4.51 0.15 %
K2O XRF 4.24 0.25 %
MgO XRF 3.39 0.055 %
MnO XRF 0.019 0.002 %
P2O5 XRF 0.13 0.03 %
SiO2 XRF 63.72 0.49 %
Uncertified Concentrations (at two Standard Deviation)
Cu 2A_MICP 6258.7 2556.4 ppm
Cu 3A_ICPES 7673.6 193.6 ppm
Cu AS_AA 124.4 29.6 ppm
Cu CL 1082.0 #1794.6 ppm
Cu SAL_AAS 191.3 16.6 ppm
Cu XRF 7337.8 49.4 ppm
