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Ni 0.2% Cu 0.1% 3E 0.6g/t Bushveld Nkomati ZA

Category: BASE METALS 
Product Code: AMIS 0319

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Origin of Material: The material for AMIS0319 was provided by the Nkomati Nickel Mine, joint venture between ARM Platinum and Norilsk Nickel Africa (Pty) Ltd. The mine is situated in the Machadodorp area, Mpumalanga, approximately 300 km east of Johannesburg in South Africa.

Mineral and Chemical Composition: Mineralisation at Nkomati occurs in a number of distinct zones within the Uitkomst Complex, a layered mafic-ultramafic intrusion exposed in a broad valley dissecting the Transvaal Sequence.Economic sulphide mineralization occurs  as disseminations, blebs and stringers in three zones, namely the Basal Mineralised  Zone (BMZ), in the Basal Gabbro; the  Main Mineralised Zone (MMZ), in the Lower Pyroxenite, and the Chromititic Peridotite Mineralised Zone (PCMZ), in the Chromititic Peridotite. The Massive Sulphide Body (MSB), which was situated mainly in the granite basement below the Uitkomst Complex, has been mined out.

Recommended Concentrations and Limits
(at two Standard Deviations)


Certified Concentrations

Pt Pb Collection 0.19 ± 0.02 g/t
Pd Pb Collection 0.36 ± 0.03 g/t
Co P                    97 ± 7 ppm
Cu M/ICP             1231 ± 82 ppm
Cu P                   1225 ± 83 ppm
Cu XRF               1221 ± 88 ppm
Ni M/ICP             1844 ± 211 ppm
Ni P                    1680 ± 143 ppm
Specific Gravity 2.96  0.20 


Provisional Concentration

Au Pb Collection 0.04 ± 0.01 g/t
Co M/ICP             115 ± 21 ppm
Ni XRF                 1893 ± 239 ppm

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