The Chagvan Bay is a chromium 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
Chagvan Bay MRDS details
Site Name
Primary: Chagvan Bay
Commodity
Primary: Chromium
Secondary: Gold
Secondary: 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: Occurrence
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
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chromite
Comments
Comment (Deposit): Model Name = Placer PGE-Au; beach (Cox and Singer, 1986; model 39b)
Comment (Exploration): Status = Inactive
Comment (Workings): Workings / Exploration = No workings are present; there was surface sampling in the 1950's and probably at other times (Berryhill, 1963).
Comment (Reference): Primary Reference = Berryhill, 1963
Comment (Geology): Geologic Description = Berryhill (1963) collected 5 auger samples along this segment of the Kuskokwim Bay beach. Heavy mineral concentrates from these samples contained greater than 10 percent chromite and trace amounts of gold and platinum.
Comment (Geology): Age = Holocene.
References
Reference (Deposit): Berryhill, R.V., 1963, Reconnaissance of beach sands, Bristol Bay, Alaska: U.S. Bureau of Mines Report of Investigations 6214, 48 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Hagemeister Island quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-362, 1 sheet, scale 1:250,000.
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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