Main commodities | Au; Cu |
---|---|
Ore minerals | chalcopyrite; pyrite |
Gangue minerals | quartz |
Quadrangle map, 1:250,000-scale | TK |
---|---|
Quadrangle map, 1:63,360-scale | D-2 |
Latitude | 62.7763 |
Longitude | -147.8396 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | This occurrence is at an elevation of about 2,000 feet on the north bank of the Susitna River, 1 mile east of the mouth of Jay Creek. The location is accurate to within 1/4 mile. This is locality 26 of Csejtey and Miller (1978). |
Geologic descriptionThe Su occurrence consists of minor chalcopyrite and pyrite in a small quartz vein that cuts mafic metavolcanic rocks of Paleozoic age (Csejtey and Miller, 1978). A sample of the vein contains 1,000 parts per million copper and 0.05 parts per million gold (Miller and others, 1978). | |
Geologic map unit | (-147.841829560842, 62.7758385251588) |
---|---|
Mineral deposit model | Basaltic Cu, Polymetallic vein, or Gold-quartz vein (Cox and Singer, 1986; model 23, 22c, or 36a) |
Mineral deposit model number | 23, 22c, or 36a |
Workings or exploration | Limited sampling by the U.S. Geological Survey (Miller and others, 1978). |
---|---|
Indication of production | None |
Additional commentsMAS/MILS number 20760092. |
MRDS Number | A012171 |
---|---|
References | |
Reporters | R.K. Rogers (U. S. Geological Survey contractor) |
Last report date | 10/2/2002 |