| Main commodities | Cu; Pb |
|---|---|
| Ore minerals | chalcopyrite; galena; pyrrhotite |
| Gangue minerals | calcite; quartz |
| Quadrangle map, 1:250,000-scale | CR |
|---|---|
| Quadrangle map, 1:63,360-scale | C-3 |
| Latitude | 55.52264 |
| Longitude | -132.71751 |
| Nearby scientific data | Find additional scientific data near this location |
| Location and accuracy | This occurrence is about 1.7 miles west-southwest of Granite Mountain and about 0.5 mile east-southeast of the center of section 24, T. 73 S., R. 83 E. The location accurate. |
Geologic descriptionHerreid and Rose (1966) discovered this previously unknown occurrence. It is a 100-foot-wide zone with thin quartz-carbonate veins that contain pyrrhotite, chalcopyrite, and galena. The rocks in the vicinity are graywacke, conglomeratic graywacke, slate, limestone, and phyllite of the Descon Formation of Silurian and Ordovician age. | |
| Geologic map unit | (-132.719156558719, 55.5222808109337) |
|---|---|
| Mineral deposit model | Thin veins with chalcopyrite, galena, and pyrrhotite. |
| Age of mineralization | Unknown, other than that the veins are in Silurian or Ordovician sedimentary rocks. |
| Workings or exploration | None; only examination by government geologist. |
|---|---|
| Indication of production | None |
| MRDS Number | A010184 |
|---|---|
References | |
| Reporters | D.J. Grybeck (Applied Geology) |
| Last report date | 5/1/2004 |