The Mountain Creek (Greenstone Creek) is a gold mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Mountain Creek (Greenstone Creek) MRDS details
Site Name
Primary: Mountain Creek (Greenstone Creek)
Commodity
Primary: Gold
Secondary: Tungsten
Secondary: Antimony
Location
State: Alaska
District: Nome
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Scheelite
Ore: Stibnite
Gangue: Quartz
Comments
Comment (Geology): Age = Quaternary.
Comment (Deposit): Model Name = Alluvial placer Au (Cox and Singer, 1986; model 39a).
Comment (Reference): Primary Reference = This report
Comment (Workings): Workings / Exploration = Gold was discovered in this creek before 1901 (Brooks and others, 1901). Collier and others (1908, p. 214) reported plans to mine one claim in auriferous schist-bearing gravel in 1904.
Comment (Geology): Geologic Description = A placer gold deposit was discovered before 1904 in Mountain Creek; rich values were reported in schist-bearing gravel (Collier and others, 1908), and some mining was done in the lower part of the creek. Kennecott Exploration Company found about 5,000 ppb gold in a pan concentrate collected at the confluence of Mountain and Oregon Creeks. A negligible amount of scheelite has also been reported from the creek (Coats, 1944). Mountain Creek contains boulders of quartz as much as 3 feet across containing 1 to 2 percent stibnite for at least 1,000 feet upstream from its mouth.? the lower part of Mountain Creek is in a chloritic schist; a massive metabasite body crops out a few hundred feet west of the mouth of the creek (Bundtzen and others, 1994). The east boundary of the metabasite unit probably is a northeast-trending high-angle fault, called the Aurora fault by Bundtzen and others (1994). Above an elevation of about 650 feet in the creek, one or both sides of the creek are in marble.
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Bundtzen, T.K., Reger, R.D., Laird, G.M., Pinney, D.S., Clautice, K.H., Liss, S.A., and Cruse, G.R., 1994, Progress report on the geology and mineral resources of the Nome mining district: Alaska Division of Geological and Geophysical Surveys, Public Data-File 94-39, 21 p., 2 sheets, scale 1:63,360.
Reference (Deposit): Coats, R.R., 1944, Lode scheelite occurrences of the Nome area: U.S. Geological Survey Open-File Report 17, 6 p.
Reference (Deposit): Collier, A. J., Hess, F.L., Smith, P.S., and Brooks, A.H., 1908, The gold placers of parts of Seward Peninsula, Alaska, including the Nome, Council, Kougarok, Port Clarence, and Goodhope precincts: U.S. Geological Survey Bulletin 328, 343 p.
Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Nome quadrangle, Alaska: U.S. Geological Survey Open-File report 78-93, 213 p.
Reference (Deposit): Brooks, A.H., Richardson, G. B., and Collier, A. J., 1901, Reconnaissance in the Cape Nome and Norton Bay regions, Alaska, in 1900: U.S. Geological Survey Special Publication, p. 1-180.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Nome quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-463, 2 sheets, scale 1:250,000.
Reference (Deposit): Herreid, G.H., 1970, Geology and geochemistry of the Sinuk area, Seward Peninsula, Alaska: Alaska Division of Mines and Minerals Geologic Report 36, 61 p., 3 sheets, scale 1:42,000.
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