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Au 1.74g/t Greenstone South Africa

Category: GOLD 
Product Code: AMIS 0440

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AMIS0440 Au 1.74g/t Greenstone South Africa

Origin of Material: The material for AMIS0440 was provided by Vantage Goldfields from Lily Mine operated by MIMCO, a subsidiary of Vantage Goldfields. Lily Mine is located 27 kilometres north east of the town of Barberton in Mpumalanga Province, South Africa. The mine is situated in the Archaean Barberton Greenstone Belt. Gold is contained in mesothermal veins associated with late tectonic shears and fractures within rocks of the Barberton Supergroup, which comprises an assortment of ultramafic and mafic submarine volcanics, turbiditic greywacke sandstones and shales. Intense shearing, massive quartz veining, silicification of BIF and sulphide enrichment characterize the larger ore bodies.

Approximate Mineral and Chemical Composition: The 2m to 15m wide ore body at Lily is contained within a prominent shear zone, situated along and structurally controlled by the Lily Fault, which defines a major structural break along the northern flank of the Archaean Barberton Greenstone Belt. The shear zone is bounded by talc schist in the footwall, greywacke and banded ironstone (BIF), chert and amphibolite in the hanging wall. The primary sulphide is pyrhotite, with minor arsenopyrite, magnetite, pyrite and rare chalcopyrite. Gold occurs associated with quartz and with the pyrhotite and arsenopyrite.

Certified Concentrations and Limits
(at two Standard Deviations)

Certified Concentrations

Au Pb Collection 1.74 ± 0.08 g/t
Cu 4A_MICP 71.8 ± 9.5 ppm
U 4A_MICP 1.38 ± 0.4 ppm
S 4A_MICP 2.69 ± 0.072 %
S Comb/LECO 2.73 ± 0.16 %
LOI 2.8 ± 0.6 %
SG 3.1 ± 0.2 Dimensionless


Untitled Document
gram = 1 gram




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