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Cu 5829ppm Au 0.41g/t Carbonatite Palabora ZA

Category: BASE METALS 
Product Code: AMIS 0420

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DOWNLOAD AMIS CERTIFICATE (PDF)
AMIS0420 Cu 5829ppm Au 0.41g/t Carbonatite Palabora South Africa

Origin of Material: This standard was made using ore sourced from Palabora Mining Company Limited. Palabora Mine is located next to the town of Phalaborwa in Mpumalanga Province, 380 kilometres north east of Johannesburg, South Africa. The Palabora alkali carbonatitic massif is an ovoid bicentered alkaline ring complex with a carbonatite core which was intruded as a vertical pipe into Archean granite prior to 2.06Ga. The Palabora complex is unique in that it hosts the only economic copper sulphide carbonatite orebody in the world.

Mineral and Chemical Composition: The host rocks are carbonatite and foskorite. Chalcopyrite is the most abundant ore mineral followed by bornite. Chalcocite is a subsidiary sulphide in the foskorite. Other sulphides are valleriite, cubanite and pyrhotite (minor). Other important mineral by-products are titaniferous magnetite and apatite. Uranothorite is also recovered.

Recommended Concentrations and Limits
(at two Standard Deviations)

Certified Concentrations

Au Pb Collection 0.41 ± 0.04 g/t
Cu Fus 5829 ± 293 ppm
Cu M/ICP 5780 ± 459 ppm
Cu P 5717 ± 246 ppm
Specific Gravity 3.24 ± 0.10

Provisional Concentrations

Co M/ICP 88 ± 13 ppm
Co P 82 ± 14 ppm

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VCS is a Reserve Bank Registered System Operator and a Member of Association of System Operators.