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Ni 4406ppm Cu 1711ppm PGM 3E 2.42g/t Nkomati ZA

Category: BASE METALS 
Product Code: AMIS 0315

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DOWNLOAD AMIS CERTIFICATE (PDF)
AMIS0315 Ni 4406ppm Cu1711 ppm PGM 3E 2.42g/t Nkomati South Africa

Origin of Material: The material for AMIS0315 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.
AMIS0315 is made from Main Mineralised Zone (MMZ) material, which is a heterogeneous unit consisting mainly of altered pyroxenites and harzburgites with calc-silicate xenoliths.

Recommended Concentrations and Limits
(at two Standard Deviations)

 Certified Concentrations

Pt Pb Collection 1.01 ± 0.10 g/t
Pd Pb Collection 1.35 ± 0.14 g/t
Cu M/ICP  1716 ± 104 ppm
Cu P   1686 ± 188 ppm
Cu XRF   1711 ± 171 ppm
Ni P   4055 ± 471 ppm
Ni XRF   4406 ± 480 ppm
Specific Gravity 3.13 ± 0.18 

Provisional Concentrations

Au Pb Collection 0.063 ± 0.014 g/t
Co M/ICP  213 ± 28 ppm
Co P   183 ± 23 ppm
Co XRF   228 ± 50 ppm
Ni M/ICP  4232 ± 589 ppm

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