Quadrangle map, 1:250,000-scale | TK |
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Quadrangle map, 1:63,360-scale | B-5 |
Latitude | 62.2814 |
Longitude | -149.0367 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | This occurrence is at an elevation of about 4,000 feet, south of Iron Creek, in the SE1/4SW1/4 sec. 2, T. 25 N., R. 2 E., Seward Meridian. The location is accurate to within 1/2 mile. |
Geologic descriptionThe rocks at this occurrence are mainly altered Paleozoic(?) mafic metavolcanic rocks and serpentinite(?). No sulfides are visible (Csejtey and Miller, 1978). Rock samples contain up to 2,000 parts per million cobalt, 700 parts per million copper, and 1,500 parts per million nickel; chromium exceeds the 5,000-parts-per-million, detection limit (Miller and others, 1978). | |
Geologic map unit | (-149.038916025233, 62.2809027098641) |
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Mineral deposit model | Basaltic copper (Cox and Singer, 1986; model 23) |
Mineral deposit model number | 23 |
Alteration of deposit | The type of alteration in the Paleozoic(?) mafic metavolcanic rocks is not specified (Csejtey and Miller, 1978). |
Workings or exploration | Limited sampling by the U.S. Geological Survey (Miller and others, 1978). |
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Indication of production | None |
References | |
Reporters | R.K. Rogers (U. S. Geological Survey contractor) |
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Last report date | 10/4/2002 |