Quadrangle map, 1:250,000-scale | TK |
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Quadrangle map, 1:63,360-scale | C-4 |
Latitude | 62.5075 |
Longitude | -148.8938 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | This occurrence is at an elevation of about 2,350 feet; it is 1/2 mile south of the Talkeetna River, and 2.6 miles south of the south end of lake 2710,in the NE1/4NE1/4 sec. 21, T. 28 N., R. 3 E., Seward Meridian. The location is accurate. |
Geologic descriptionThis occurrence consists of altered Paleozoic(?) greenstone. No sulfide minerals are visible (Csejtey and Miller, 1978). Samples of the altered greenstone contain 1,000 parts per million copper, 300 parts per million zinc, and 100 parts per million nickel (Miller and others, 1978). | |
Geologic map unit | (-148.896030410593, 62.5070143627192) |
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Mineral deposit model | Basaltic copper (Cox and Singer, 1986; model 23) |
Mineral deposit model number | 23 |
Alteration of deposit | The greenstone is altered but the type of alteration 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 |