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 stratabound, sediment hosted copper-nickel-cobalt deposit. Sentinel is approximately 150 kilometers west of the town of Solwezi in North Western 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
Analyte Method Certified (µ)7 (2s)9 ± Unit
Cu 4A_MICP1 22.60 0.86 %
Co 4A_MICP 1385 124 ppm
Co FUS2 1375 64 ppm
Au Pb Collection3 0.353 0.15 g/t
LOI LOI4 15.90 0.39 %
SG SG5 3.65 0.76 Dimensionless
C Combustion/LECO6 2.24 0.19 %
S Combustion/LECO 28.67 1.4 %
Ag 4A_MICP 2 0.8 ppm
Al 4A_MICP 1.25 0.19 %
Al FUS 1.37 0.052 %
As 4A_MICP 14 3 ppm
Ba FUS 87 9 ppm
Be 4A_MICP 1 0.3 ppm
Ca 4A_MICP 1796 148 ppm
Cr FUS 190 28 ppm
Fe 4A_MICP 27.66 1.4 %
Fe FUS 26.63 1.9 %
Ga 4A_MICP 9 4 ppm
K 4A_MICP 5460 440 ppm
K FUS 5219 630 ppm
La 4A_MICP 29 5 ppm
Mg 4A_MICP 4413 366 ppm
Mg FUS 4743 601 ppm
Mn 4A_MICP 124 18 ppm
Mn FUS 128 21 ppm
Mo 4A_MICP 16 2 ppm
Na 4A_MICP 471 108 ppm
Ni 4A_MICP 367 28 ppm
Ni FUS 380 36 ppm
P 4A_MICP 262 40 ppm
Pb 4A_MICP 297 24 ppm
Sr 4A_MICP 12 2 ppm
Ti FUS 815 100 ppm
Tl 4A_MICP 0.6 0.1 ppm
V 4A_MICP 21 7 ppm
Zn 4A_MICP 685 75 ppm
Zn FUS 675 73 ppm
