Quadrangle map, 1:250,000-scale | TK |
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Quadrangle map, 1:63,360-scale | C-3 |
Latitude | 62.7021 |
Longitude | -148.1157 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | This occurrence is at an elevation of about 4,100 feet, approximately 1.4 miles south of the summit of Mt. Watana, near the center of sec. 10, T. 30 N., R. 7 E. of the Seward Meridian. The location is accurate to within 1/4 mile. |
Geologic descriptionAt this occurrence, epidotized Triassic microgabbro contains pyrite and chalcopyrite(?). A U.S. Geological Survey rock sample contains 245 parts per million copper, 303 parts per million chromium, and 156 parts per million nickel (J. Schmidt, written communication, 2001). | |
Geologic map unit | (-148.11792840171, 62.7016322024499) |
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Mineral deposit model | Komatiitic Ni-Cu (Cox and Singer, 1986; model 6a) |
Mineral deposit model number | 6a |
Age of mineralization | In Triassic metagabbro. |
Alteration of deposit | The gabbro is epidotized. |
Workings or exploration | Surface sampling only. |
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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 |