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
Certified Concentrations (at two Standard Deviations)
Cu 2A_MICP 1441 29 ppm
Cu 4A_MICP 1425 86 ppm
Cu FUS 1444 51 ppm
Cu XRF 1385 143 ppm
Co 2A_MICP 329 9 ppm
Co 4A_MICP 313 17 ppm
Co FUS 317 27 ppm
Ni 4A_MICP 110 11 ppm
Au Pb Collection 0.004 0.0026 g/t
C Combustion/LECO 2.33 0.18 %
S Combustion/LECO 1.64 0.14 %
LOI XRF 5.72 0.50 %
SG SG 2.83 0.087 Dimensionless
Al 4A_MICP 7.04 0.21 %
Al FUS 7.77 0.29 %
As 4A_MICP 4 0.8 ppm
Ba 4A_MICP 526 14 ppm
Ba FUS 543 62 ppm
Be 4A_MICP 3 0.07 ppm
Bi 4A_MICP 0.4 0.1 ppm
Ca 4A_MICP 3445 349 ppm
Ca FUS 4114 709 ppm
Ce 4A_MICP 90 3 ppm
Cr 4A_MICP 173 31 ppm
Cr FUS 177 43 ppm
Cs 4A_MICP 4 0.2 ppm
Fe 4A_MICP 3.23 0.25 %
Fe FUS 3.30 0.15 %
Ga 4A_MICP 18 1 ppm
Hf 4A_MICP 4 0.2 ppm
K 4A_MICP 3.43 0.26 %
K FUS 3.45 0.087 %
Li 4A_MICP 30 2 ppm
Mg 4A_MICP 1.99 0.15 %
Mg FUS 2.01 0.084 %
Mn 2A_MICP 189 26 ppm
Mn 4A_MICP 172 10 ppm
Mn FUS 183 48 ppm
Mo 4A_MICP 10 3 ppm
Na 4A_MICP 1913 44 ppm
Nb 4A_MICP 7 2 ppm
P 4A_MICP 633 21 ppm
Pb 4A_MICP 2 0.4 ppm
Rb 4A_MICP 160 12 ppm
Sc 4A_MICP 12 0.4 ppm
Si FUS 30.26 1.5 %
Sn 4A_MICP 2 0.2 ppm
Sr 4A_MICP 35 2 ppm
Ta 4A_MICP 0.6 0.3 ppm
Th 4A_MICP 17 1 ppm
Ti 4A_MICP 2309 175 ppm
Ti FUS 3167 166 ppm
Tl 4A_MICP 0.7 0.09 ppm
U 4A_MICP 10 0.8 ppm
V 4A_MICP 100 8 ppm
V FUS 110 10 ppm
W 4A_MICP 3 0.2 ppm
Y 4A_MICP 15 3 ppm
Major Oxides
Certified Concentrations (at two Standard Deviations)
Al2O3 XRF 15.19 0.89 %
CaO XRF 0.49 0.03 %
Fe2O3 XRF 4.64 0.090 %
K2O XRF 4.17 0.23 %
MgO XRF 3.39 0.073 %
MnO XRF 0.020 0.006 %
P2O5 XRF 0.14 0.02 %
SiO2 XRF 64.61 0.86 %
TiO2 XRF 0.53 0.04 %
Uncertified Concentrations (at two Standard Deviations)
Cu AS 133.9 2.2 ppm
Cu CL 429.1 220.4 ppm
Cu SAL 162.4 98.0 ppm
