OREAS 66a
Specs
- CRM Type: primary
- Matrix: meta-volcanogenic/basalt
- Mineralisation: high sulphidation epithermal
CRM Group
Price
- 60g = $5.34
- 1kg = $89.00
OREAS 66a 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.
| Constituent | Certified Value | 1SD | 95% Confidence Low | 95% Confidence High | Method |
|---|---|---|---|---|---|
| Gold, Au (ppm) | 1.237 | 0.054 | 1.211 | 1.263 | Pb Fire Assay |
| Silver, Ag (ppm) | 18.9 | 1.2 | 18.4 | 19.4 | 4-Acid Digest |
| Copper, Cu (ppm) | 121 | 7 | 117 | 124 | 4-Acid Digest |