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 2A_MICP 4511 109 ppm
Cu 4A_MICP 4492 223 ppm
Cu FUS 4458 210 ppm
Co 2A_MICP 327 29 ppm
Co 3A_MICP 291 18 ppm
Co 4A_MICP 317 24 ppm
Co FUS 317 16 ppm
Ni 4A_MICP 124 14 ppm
Ni FUS 126 17 ppm
Au Pb Collection 0.016 0.0057 g/t
C Combustion/LECO 2.53 0.12 %
S 4A_MICP 1.75 0.090 %
S Combustion/LECO 1.79 0.14 %
LOI XRF 5.98 0.13 %
SG SG 2.82 0.16 Dimensionless
Al 4A_MICP 7.04 0.16 %
Al FUS 8.03 0.27 %
Ba 4A_MICP 527 16 ppm
Ba FUS 527 8 ppm
Be 4A_MICP 3 0.2 ppm
Ca 4A_MICP 2909 236 ppm
Ca FUS 3115 395 ppm
Cr 4A_MICP 161 22 ppm
Cr FUS 184 46 ppm
Fe 4A_MICP 3.27 0.22 %
Fe FUS 3.24 0.11 %
K 4A_MICP 3.54 0.16 %
K FUS 3.46 0.053 %
La 4A_MICP 41 3 ppm
Li 4A_MICP 31 2 ppm
Mg 4A_MICP 2.09 0.21 %
Mg FUS 2.04 0.046 %
Mn 4A_MICP 142 17 ppm
Mn FUS 142 11 ppm
Mo 4A_MICP 10 0.6 ppm
Na 4A_MICP 2049 362 ppm
P 4A_MICP 558 35 ppm
Sc 4A_MICP 13 1 ppm
Si FUS 29.72 0.75 %
Sr 4A_MICP 36 6 ppm
Sr FUS 38 5 ppm
Ti 4A_MICP 2251 153 ppm
Ti FUS 3246 85 ppm
V 4A_MICP 110 6 ppm
V FUS 112 2 ppm
Y 4A_MICP 13 4 ppm
Y FUS 32 3 ppm
Zr 4A_MICP 137 11 ppm
Major Oxides
Certified Concentrations (at two Standard Deviations)
Al2O3 XRF 15.46 0.23 %
CaO XRF 0.40 0.04 %
Fe2O3 XRF 4.63 0.092 %
K2O XRF 4.22 0.24 %
MgO XRF 3.42 0.093 %
MnO XRF 0.019 0.003 %
Na2O XRF 0.27 0.03 %
SiO2 XRF 63.73 0.79 %
TiO2 XRF 0.54 0.03 %
Uncertified Concentrations (at two Standard Deviation)
Cu 3A_MICP 4438.3 354.8 ppm
Cu AS 280.1 338.4 ppm
Cu CL 753.7 212.8 ppm
Cu SAL 135.3 28.2 ppm
Cu XRF 4570.2 115.2 ppm
