The Miners Point 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
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Miners Point MRDS details
Site Name
Primary: Miners Point
Commodity
Primary: Chromium
Location
State: Alaska
District: Kodiak
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: Podiform chromite (minor)
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Ultramafic country rock is serpentinized?
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chromite
Comments
Comment (Workings): Workings / Exploration = A gravity concentrate assayed 41.5 percent chromite with a chrome:iron ratio of 1.5.
Comment (Reference): Primary Reference = Foley and Barker, 1985
Comment (Geology): Geologic Description = Dunite boulders on the beach at Miners Point contain sporadic bands of disseminated chromite. The boulders were probably derived from dunite dikes intruded into gabbro at the site. The dikes are up to 400 feet in thickness. A gravity concentrate of this material assayed 41.5 percent chromite with a chrome:iron ratio of 1.5 (Dahlin and others, 1985, table A-35).
Comment (Deposit): Model Name = Podiform chromite (Cox and Singer, 1986; model 8a).
Comment (Deposit): Other Comments = Site is in Kodiak National Wildlife Refuge.
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Foley, J.Y., and Barker, J.C., 1985, Chromite deposits along the Border Ranges fault, part 1, Field investigations and descriptions of chromite deposits: U.S. Bureau of Mines Information Circular 8990, 58 p.
Reference (Deposit): Dahlin, D.C., Kirby, D.E., and Brown, L.L., 1985, Chromite deposits along the Border Ranges fault, southern Alaska, part 2, Mineralogy and results of beneficiation tests: U.S. Bureau of Mines Information Circular 8991, 37 p.
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