The Stewart River (above Mountain 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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Stewart River (above Mountain Creek) MRDS details
Site Name
Primary: Stewart River (above Mountain Creek)
Commodity
Primary: Gold
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: Past Producer
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
Comments
Comment (Reference): Primary Reference = Smith, 1909
Comment (Workings): Workings / Exploration = Placer gold mining above Mountain Creek on Stewart River was reported in the early years of the Nome district. Smith (1909, p. 280) noted mining, almost certainly small scale, at 'two or three camps' along Stewart River above Mountain Creek.
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a).
Comment (Geology): Geologic Description = Placer gold mining above Mountain Creek on Stewart River was reported in the early years of the Nome district. Smith (1909, p. 280) noted mining, almost certainly small scale, at 'two or three camps' along Stewart River above Mountain Creek.? Stewart River and its tributary Mountain Creek have floodplains of Holocene alluvium as much as about 0.2 mile wide that are developed on modified drift of the Nome River glaciation. The downstream limit of the slightly modified drift of the Stewart River glaciation is about 1 mile above the confluence of Mountain Creek and Stewart River (Bundtzen and others, 1994). Some placer gold could, therefore, have been derived by reworking slightly auriferous glacial drift derived ultimately from the Kigluaik Mountains and closer gold lodes, as in the Divide Creek area (NM057, NM058, NM111, NM118). Some gold was probably derived from Fred Creek, the next upstream southern tributary,which is known to be auriferous (NM064). Also, the divide between upper Mountain and upper Goldbottom Creeks has little relief, and gold in this area could have been derived from the major fault system that hosts the California lode in upper Goldbottom Creek (NM062). As mapped by Hummel (1962 [MF 242]) and one of the compilers (C.C. Hawley), this fault projects north into lower Fred Creek and the Stewart River valley; it could contain other lode gold deposits like the California lode.
Comment (Geology): Age = In large part Holocene, with gold derived from reworking of Pleistocene drift or fed by Fred and Mountain Creeks.
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): 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): Hummel, C.L., 1962, Preliminary geologic map of the Nome D-1 quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-248, 1 sheet, scale 1:63,360.
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.
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