Sheridan Creek (ARDF #CA031) Au

Sheridan Creek

Mine, Inactive

Alternative names

Sherdon Creek

Commodities and mineralogy

Main commodities	Au
Ore minerals	gold

Geographic location

Quadrangle map, 1:250,000-scale	CA
Quadrangle map, 1:63,360-scale	C-5
Latitude	65.58
Longitude	-161.09
Nearby scientific data	Find additional scientific data near this location
Location and accuracy	The Sheridan Creek placer mine is 0.8 mile upstream from the mouth of the creek. The map site is in section 14, T. 2 N., R. 12 W., of the Kateel River Meridian. Cobb, 1972 (MF-389), location 28.

Geologic setting

Geologic description Bedrock at the Sheridan Creek placer mine is mainly andesite tuffs and flows, and some basic intrusives. The gold is on bedrock and is accompanied by pyrite and magnetite in the concentrates. It assayed $19.20 an ounce (Harrington, 1919).
Geologic map unit	(-161.092660953675, 65.5793326623902)
Mineral deposit model	Placer Au-PGE (Cox and Singer, 1986; model 39a).
Mineral deposit model number	39a
Age of mineralization	Quaternary.

Production and reserves

Indication of production	Yes; small
Additional comments Stream gradient approximately 150 feet per mile. No sign of recent work in 1964.

References

MRDS Number	A015715
References Cass, J.T., 1959, Reconnaissance geologic map of the Candle quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-287, 1 sheet, scale 1:250,000. Cobb, E.H., 1972, Metallic mineral resources map of the Candle Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-389, 1 sheet, scale 1:250,000. Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Candle, Holy Cross, Norton Bay, Nulato, and Unalakleet quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-866, 102 p. Eakin, H.M., 1915, Placer mining in Seward Peninsula: U.S. Geological Survey Bulletin 622-I, p. 366-373. Harrington, G.L., 1919, The gold and platinum placers of the Kiwalik-Koyuk region: U.S. Geological Survey Bulletin 692-G, p. 369-400. Henshaw, F.F., 1909, Mining in the Fairhaven precinct: U.S. Geological Survey Bulletin 379-F, p. 355-369. Herreid, G.H., 1965, Geology of the Bear Creek area, Seward Peninsula, Candle quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Geological Report 12, 16 p., 1 sheet, scale 1:40,000. Moffit, F.H., 1904, The Kotzebue placer gold field of Seward Peninsula in Emmons S.F., and Hayes, C.W., Contributions to economic geology, 1903, U.S. Geological Survey Bulletin 225, p. 74-80. Moffit, F.H., 1905, The Fairhaven gold placers, Seward Peninsula, Alaska: U.S. Geological Survey Bulletin 247, 85 p. Smith, P.S., and Eakin, H.M., 1910, Mineral resources of the Nulato-Council region: U.S. Geological Survey Bulletin 442-H, p. 316-352. Smith, P.S., and Eakin, H.M., 1911, A geologic reconnaissance in southeastern Seward Peninsula, and the Norton Bay-Nulato region, Alaska: U.S. Geological Survey Bulletin 449, 146 p.
Reporters	Anita Williams (Anchorage, AK)
Last report date	1/12/2000