Specifications
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CRM State:
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Matrix:
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Mineralisation:
OREAS 67a 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) | 2.24 | 0.096 | 2.19 | 2.28 | Pb Fire Assay |
Ag, Silver (ppm) | 33.6 | 2.00 | 32.6 | 34.6 | 4-Acid Digestion |
Cu, Copper (ppm) | 325 | 10 | 321 | 330 | 4-Acid Digestion |
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