Deposit ID | 10001547 |
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MRDS ID | A012294 |
Record type | Site |
Current site name | Unnamed (near mouth of creek draining Leduc Lake) |
Geographic coordinates: | -130.81677, 55.92865 (WGS84) |
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Relative position | This occurrence is at an elevation of about 100 feet in the canyon walls of the stream draining Leduc Lake, just before the stream enters Leduc River, 2 miles above its confluence with Chickamin River. The site is in section 36, T. 68 S., R. 94 E., of the Copper River Meridian. It corresponds to loc. 17 in Elliott and others (1978). The location is accurate within about 0.1 mile. |
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Country | State |
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United States | Alaska |
Commodity | Importance |
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Copper | Primary |
Silver | Secondary |
Molybdenum | Secondary |
Lead | Secondary |
Zinc | Secondary |
Materials | Type of material |
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Chalcopyrite | Ore |
Pyrrhotite | Ore |
Host or associated | Host |
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Rock type | Metamorphic Rock > Gneiss |
(1) | -130.81677, 55.92865 |
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Development status | Occurrence |
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Commodity type | Metallic |
District name | Ketchikan |
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Agency | Database name | Acronym | Record ID | Notes |
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USGS | Mineral Resources Data System | MRDS | A012294 | |
USGS | Alaska Resource Data File | ARDF | KC017 |
Berg, H.C., Elliott, R.L., Smith, J.G., Pittman, T.L., and Kimball, A. L., 1977, Mineral resources of the Granite Fiords wilderness study area, Alaska, with a section on aeromagnetic data by Andrew Griscom: U.S. Geological Survey Bulletin 1403, 151 p.
Elliott, R.L., Berg, H.C., and Karl, Susan, 1978, map and table describing metalliferous and selected nonmetalliferous mineral deposits, Ketchikan and Prince Rupert quadrangles, Alaska: U.S. Geological Survey Open-file Report, 78-73-B,17 p., scale 1:250,000.
Berg, H.C., Elliott, R.L., and Koch, R.D., 1988, Geologic map of the Ketchikan and Prince Rupert quadrangles, southeastern Alaska: U.S. Geological Survey Mineral Investigations Series Map MF-1807,27 p., scale 1:250,000.
Gehrels, G.E., McClelland, W.C., Samson, S.D., Patchett, P.J., and Jackson, J.L., 1990, Ancient continental margin assemblage in the northern Coast Mountains, southeast Alaska and northwest Canada: Geology, v. 18, p. 208-211.
Crawford, M.L., Crawford, W.A., and Gehrels, G.E., 2000, Terrane assembly and structural relationships in the eastern Prince Rupert quadrangle, British Columbia, in H.H. Stowell and W.C.McClelland, eds., Tectonics of the Coast Mountains, southeastern Alaska and British Columbia: Boulder, Colorado, Geological Society of America Special Paper 343, p. 1-21.?
Subject category | Comment text |
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Deposit | Model Name = Disseminated base-metal sulfides in metamorphic roof pendant |
Deposit | Other Comments = Site is in Misty Fiords National Monument Wilderness. |
Type | Date | Name | Affiliation | Comment |
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Reporter | 29-JUN-1999 | H.C. Berg | U.S. Geological Survey |