Deposit ID | 10001074 |
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MRDS ID | A011756 |
Record type | Site |
Current site name | Unnamed (south bank of Kotsina River) |
Alternate or previous names | Unnamed |
Geographic coordinates: | -143.87142, 61.71772 (WGS84) |
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Relative position | South side of Kotsina River, 2,500 ft downstream from confluence of Amy Creek with Kotsina River. Best location: MacKevett and others, 1978, loc. 6. Accurate within radius of 100 feet. |
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Country | State |
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United States | Alaska |
Commodity | Importance |
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Copper | Primary |
Materials | Type of material |
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Chalcopyrite | Ore |
Pyrite | Gangue |
Host or associated | Associated | ||||
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Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone | ||||
Rock unit name | Nikolai Greenstone | ||||
Rock description | Nikolai Greenstone | ||||
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Host or associated | Host |
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Rock type | Plutonic Rock > Mafic Intrusive Rock > Gabbro |
Rock unit name | Nikolai Greenstone; |
Rock description | Nikolai Greenstone; |
(1) | -143.87142, 61.71772 |
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Development status | Prospect |
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Commodity type | Metallic |
District name | Chistochina |
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Agency | Database name | Acronym | Record ID | Notes |
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USGS | Mineral Resources Data System | MRDS | A011756 | |
USGS | Alaska Resource Data File | ARDF | MC026 |
Moffit, F.H., and Maddren, A.G., 1909, Mineral resources of the Kotsina-Chitina region, Alaska: U.S. Geological Survey Bulletin 374, 103 p.
Moffit, F.H., and Mertie, J.B., Jr., 1923, The Kotsina-Kuskulana district, Alaska: U.S. Geological Survey Bulletin 745, 149 p.
MacKevett, E.M., Jr., 1976, Mineral deposits and occurrences in the McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-773-B, scale 1:250,000.
MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, scale 1:63,360.
MacKevett, E.M., Jr., Smith, J.G., Jones, D.L., and Winkler, G.R., 1978, Geologic map of the McCarthy C-8 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1418, 1 sheet, scale 1:63,360.
Subject category | Comment text |
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Deposit | Model Name = Lode: vein |
Deposit | Other Comments = See also: unnamed occurrence no. 171 in MacKevett (1976). |
Type | Date | Name | Affiliation | Comment |
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Reporter | 22-SEP-1997 | Leonard, K.R. | U.S. Geological Survey | |
Reporter | 22-SEP-1997 | Elliott, R.L. | U.S. Geological Survey | |
Reporter | 22-SEP-1997 | Richter, D.H. | U.S. Geological Survey |