Description
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Origin of Material
The material for this CRM was sourced from the Mufulira mine, which is a sediment-hosted stratabound copper deposit in the Zambian Copperbelt. The mine site is located 10km south of the border of Democratic Republic of Congo.
Approximate Mineral and Chemical Composition
The Mufulira Mine is characterized by chalcopyrite mineralisation in Contact Shale and copper rich sections. Pyrite mineralisation increases at the expense of chalcopyrite in the upper part of the South Orebody Shale, and a zone of exclusively pyrite mineralisation occurs at the top. Bornite is typically absent from the ore formation, but minor occurrence appears on the fringes of the barren gaps, particularly in the contact shale. In order of importance, chalcopyrite, chalcocite and bornite are present in the mineralized footwall. Higher cobalt values are concentrated on either side of the geological footwall.
Recommended Concentrations and Limits (at two Standard Deviations)
Certified Concentrations
Analyte Method (µ) (2s) ± Unit
Cu 2A_MICP 9537 411 ppm
Cu 4A_MICP 9567 526 ppm
Cu FUS 9822 812 ppm
Co 2A_MICP 480 66 ppm
Co 4A_MICP 503 52 ppm
Co FUS 458 110 ppm
C Combustion/LECO 3.22 0.33 %
S Combustion/LECO 2.79 0.16 %
SG SG 2.80 0.054 Dimensionless
Al 4A_MICP 5.28 0.35 %
Al FUS 5.30 0.12 %
As 2A_MICP 19 2 ppm
Ba 4A_MICP 1239 92 ppm
Be 4A_MICP 2 0.1 ppm
Bi 2A_MICP 8 2 ppm
Bi 4A_MICP 8 1 ppm
Ca 2A_MICP 5.84 0.40 %
Ca 4A_MICP 6.18 0.33 %
Cr 4A_MICP 79 16 ppm
Fe 2A_MICP 2.96 0.33 %
Fe 4A_MICP 3.06 0.23 %
Fe FUS 3.02 0.10 %
K 2A_MICP 1.34 0.11 %
K FUS 4.66 0.12 %
Li 4A_MICP 65 3 ppm
Mn 2A_MICP 1374 52 ppm
Mn 4A_MICP 1524 136 ppm
Mn FUS 1563 61 ppm
Mo 2A_MICP 8 0.8 ppm
Mo 4A_MICP 9 2 ppm
Na 2A_MICP 210 13 ppm
Ni 2A_MICP 53 6 ppm
Ni 4A_MICP 59 11 ppm
P 2A_MICP 719 123 ppm
P 4A_MICP 661 67 ppm
Pb 2A_MICP 7 2 ppm
Pb 4A_MICP 9 4 ppm
Si FUS 23.34 1.2 %
Sr 2A_MICP 124 14 ppm
Sr 4A_MICP 160 17 ppm
Ti 4A_MICP 2328 177 ppm
Ti FUS 2943 104 ppm
V 2A_MICP 35 10 ppm
V 4A_MICP 77 5 ppm
Y 4A_MICP 15 0.9 ppm
Zn 2A_MICP 67 19 ppm
Zn 4A_MICP 63 5 ppm
Zr 4A_MICP 78 5 ppm
Major Oxides Certified Concentrations (at two Standard Deviations)
Analyte Method (µ) (2s) ± Unit
CuO XRF 1.19 0.025 %
Al2O3 XRF 9.88 0.75 %
BaO XRF 0.14 0.02 %
CaO XRF 8.70 0.33 %
Fe2O3 XRF 4.28 0.25 %
K2O XRF 5.41 0.58 %
MgO XRF 6.14 0.22 %
MnO XRF 0.20 0.02 %
P2O5 XRF 0.14 0.03 %
TiO2 XRF 0.48 0.03 %
