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Cr 26.91% Ni 1993ppm 3E 1.8g/t Bushveld Nkomati ZA

Category: BASE METALS CONCENTRATE 
Product Code: AMIS 0323

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DOWNLOAD AMIS CERTIFICATE (PDF)
AMIS0323 Cr 26.91% Ni 1993ppm PGM 3E 1.84g/t Bushveld Nkomati South Africa

Origin of Material: The material for AMIS0323 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 1.07 ± 0.12 g/t
Cr XRF               26.91 ± 0.57 %
Cu M/ICP            787 ± 40 ppm
Cu P                    763 ± 40 ppm
Ni M/ICP              1993 ± 124 ppm
Ni P                     1820 ± 131 ppm
Specific Gravity 4.01 ± 0.18 

 Provisional Concentrations

Pd Pb Collection 0.63 ± 0.08 g/t
Au Pb Collection 0.14 ± 0.02 g/t
Co M/ICP              294 ± 45 ppm
Co P                    126 ± 20 ppm


 

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