|Quadrangle map, 1:250,000-scale||TC|
|Quadrangle map, 1:63,360-scale||A-1|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||The B.C. mine is located in sec. 22, T. 15 N., R. 23 E., of the Copper River Meridian, about one mile from the Canadian border, along a tributary of McArthur Creek. It is location 14 of Singer and others (1976), and locality 2 of Eberlein and others (1977). The location is accurate to within a mile.|
Geologic descriptionThe mine is both a placer and a lode deposit since it consists of eluvial and gold-bearing bench gravels about 20 feet thick which overlie decomposed Mesozoic granodiorite that contains gold-bearing quartz veins. The eluvial gold has delicate wire and crystal forms (Eberlein and others, 1977, p. 101). The regional geology surrounding the mine consists of undivided granitic rock; mostly hornblende granodiorite (Foster, 1970). Similar prospects exist on the Canadian side of the border. There are also many other placer claims along McArthur Creek (TC014) to the west.
|Geologic map unit||(-141.032195646159, 63.0696895312912)|
|Mineral deposit model||Placer gold deposit (Cox and Singer, 1986; model 39a), residual placer gold deposit, lode gold deposit?|
|Mineral deposit model number||39a|
|Workings or exploration||Some surface exploration. Claim staking activity reported in 1977 by Eberlein and others (1977).|
|Indication of production||Undetermined|
Cobb, E.H., and Eberlein, G.D., 1980, Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in the Big Delta and Tanacross quadrangles, Alaska: U.S. Geological Survey Open-File Report 80-1086, 77 p.
Eberlein, G.D., Chapman, R.M., Foster, H.L., and Gassaway, J.S., 1977, Map and table describing known metalliferous and selected nonmetalliferous mineral deposits in central Alaska: U.S. Geological Survey Open-File Report 77-168-D, 132 p., 1 sheet, scale 1:1,000,000.
Foster, H.L., 1970, Reconnaissance geologic map of the Tanacross quadrangle, Alaska: U.S. Geological Survey Miscellaneous Geological Investigations Map I-593, 1 sheet, scale 1:250,000.
MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.
|Reporters||C.E. Cameron (ADGGS)|
|Last report date||4/13/1999|