Montana Creek Mine, Fortymile District, Southeast Fairbanks Borough, Alaska, USA
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Geology: The rocks along Montana Creek are Paleozoic biotite schist, quartzite, and marble (Foster, 1976). These metamorphic rocks are intruded by Tertiary felsic and mafic dikes and other small intrusions (Foster and Clark, 1970). In 1902, prospecting showed good results near the mouth of Montana Creek (Prindle, 1905). Mining was reported on Montana Creek in several years from 1902 to 1912. In 1968, Foster and Clark (1970) collected stream-sediment and rock samples in the drainage of Hutchinson Creek, including Montana Creek. WGM Inc. conducted a reconnaissance of streams draining Mount Warbelow in 1978 by panning concentrates from stream sediments. Arctic Resources Inc. panned stream sediments from tributaries of Hutchinson Creek 1981 for gold but did not find significant anomalies (WGM Inc., 1998 [DLR 98-10]). Placer gold has also been produced on Hutchinson Creek (EA066) near the mouth of Montana Creek.
Workings: In 1902, prospecting showed good results near the mouth of Montana Creek (Prindle, 1905). Mining was reported on Montana Creek in several years from 1902 to 1912. In 1968, Foster and Clark (1970) collected stream-sediment and rock samples in the drainage of Hutchinson Creek, including Montana Creek. WGM Inc. conducted a reconnaissance of streams draining Mount Warbelow in 1978 by panning concentrates from stream sediments. Arctic Resources Inc. panned stream sediments from tributaries of Hutchinson Creek 1981 for gold but did not find significant anomalies (WGM Inc., 1998 [DLR 98-10]). Placer gold has also been produced on Hutchinson Creek (EA066) near the mouth of Montana Creek.
Age: Quaternary.
Commodities (Major) - Au
Development Status: Yes; small
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a).
Mineral List
1 entry listed. 1 valid mineral.
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References
Brooks, A.H., 1906, The mining industry in 1905: U.S. Geological Survey Bulletin 284, p. 4-9. Burleigh, R.E., and Lear, K.G., 1994, Compilation of data for Phase I of the mineral resource evaluation of the Bureau of Land Management Black River and Fortymile subunits: U.S. Bureau of Mines Open-File Report 48-94, 116 p. Cobb, E.H., 1972, Metallic mineral resources map of the Eagle quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-393, 1:250,000 scale, 1 sheet. Cobb, E.H., 1977, Summary of references to mineral occurrences in the Eagle quadrangle, Alaska: U.S. Geological Survey Open-File Report 77-845, 122 p. Ellsworth, C.E., and Davenport, R.W., 1913, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 542-F, p. 203-222. Ellsworth, C.E., and Parker, G.L., 1911, Placer mining in the Yukon-Tanana region: U.S. Geological Survey Bulletin 480-F, p. 173-217. Foster, H.L., 1976, Geologic map of the Eagle quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series, Map 922, 1 sheet, scale 1:250,000. Foster, H.L., and Clark, S.H.B., 1970, Geochemical and geologic reconnaissance of a part of the Fortymile area, Alaska: U.S. Geological Survey Bulletin 1312-M, p. M1-M29. Powers, J.B., 1935, Brief history of the Fortymile and Eagle Mining Districts to 1935: Alaska Territorial Department of Mines Mineral Report MR 60-2, 19 p. Prindle, L.M., 1905, The gold placers of the Fortymile, Birch Creek, and Fairbanks regions, Alaska: U.S. Geological Survey Bulletin 251, 89 p. Prindle, L.M., 1906, The Yukon-Tanana region, Alaska; Description of Circle quadrangle: U.S. Geological Survey Bulletin 295, 27 p. Prindle, L.M., 1906, Yukon placer fields: U.S. Geological Survey Bulletin 284, p. 109-127. Prindle, L.M., 1908, The Fortymile gold-placer district, in Brooks, A.H., ed., Mineral Resources of Alaska, Report on progress of investigations in 1907: U.S. Geological Survey Bulletin 345, p. 187-197. Prindle, L.M., 1913, A geologic reconnaissance of the Circle quadrangle, Alaska: U.S. Geological Survey Bulletin 538, 82 p. WGM Inc., 1998, Veta property, 1997 annual report, volume 1: Doyon, Ltd. Report 98-10, 227 p. (Report held by Doyon, Ltd., Fairbanks, Alaska).