Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 65a was prepared from gold-silver ore from Martabe, North Sumatra, Indonesia blended with fresh alkali olivine basalt from the Newer Volcanics Province, Victoria, Australia. Martabe is an epithermal high sulphidation gold deposit hosted by a sequence of tertiary volcanic and sedimentary rocks near a fault splay of the Great Sumatran Fault complex.
Analyte | Certified Value | 1SD | 95% Confidence Limits Low | 95% Confidence Limits High | Method |
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Au, Gold (ppm) | 0.520 | 0.017 | 0.513 | 0.528 | Pb Fire Assay |
Ag, Silver (ppm) | 7.80 | 0.700 | 7.40 | 8.20 | 4-Acid Digestion |
Cu, Copper (ppm) | 93 | 6.0 | 90 | 96 | 4-Acid Digestion |
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