The Smalls River is a platinum 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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Smalls River MRDS details
Site Name
Primary: Smalls River
Commodity
Primary: Platinum
Location
State: Alaska
District: Goodnews Bay
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 PGE-Au
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: All volcanic rocks in the center of the crater exhibit intense argillic alteration and have been totally replaced by white clay (kaolinite?).
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Workings): Workings / Exploration = An exploration hole was drilled 192 feet to bedrock at this location.
Comment (Commodity): Ore Material = Platinum-group metal (PGM) alloys
Comment (Geology): Geologic Description = Mertie (1969, p. 81; 1976, p. 5) reports that a 192-foot-deep exploration drill hole at this location intersected platinum- and gold-bearing material but it was apparently only a local concentration. Smalls River is the main drainage on the north side of the Red Mountain ultramafic pluton.
Comment (Deposit): Model Name = Placer PGE-Au (Cox and Singer, 1986; model 39b)
Comment (Reference): Primary Reference = Mertie, 1969
Comment (Exploration): Status = Inactive
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Quaternary.
References
Reference (Deposit): Mertie, J.B., Jr., 1969, Economic geology of platinum minerals: U.S. Geological Survey Professional Paper 630, 120 p.
Reference (Deposit): Mertie, J.B., Jr., 1976, Platinum deposits in the Goodnews Bay district, Alaska: U.S. Geological Survey Professional Paper 938, 42 p.
Reference (Deposit): Cobb, E.H., 1977, Placer deposit map of central Alaska: U.S. Geological Survey Open-File Report 77-168B, 64 p., 1 map, scale 1:1,000,000.
Reference (Deposit): Cobb, E.H., 1980, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska: U.S. Geological Survey Open-File Report 80-909, 103 p.
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