The Halibut Bay 43 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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Halibut Bay 43 MRDS details
Site Name
Primary: Halibut Bay 43
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 (major)
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: The ultramafic country rock is serpentinized?
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chromite
Comments
Comment (Workings): Workings / Exploration = Foley and Barker (1985, table 13) estimate this deposit to contain 4000 tons of rock grading 6 percent chromite.
Comment (Reserve-Resource): Reserves = This deposit is estimated to contain 4,000 tons of rock grading 6 percent chromite.
Comment (Reference): Primary Reference = Foley and Barker, 1985
Comment (Geology): Geologic Description = At this chromite occurrence, one of several known within the Halibut Bay ultramafic complex, discontinuous bands and irregular segregations of chromite are present in dunite. The zone containing the chromite measures 20 by 90 feet and has an estimated dip length of 22 feet. It strikes N. 35 W. and dips steeply to the southwest. Foley and Barker (1985, table 13) estimate tonnage and grade at 4000 tons of rock containing 6 percent chromite. The dunite is part of the Halibut Bay ultramafic complex, which also includes gabbro, pyroxenite, and peridotite. The complex occurs within sedimentary units of the Uyak formation of Cretaceous age.
Comment (Deposit): Model Name = Podiform chromite (Cox and Singer, 1986; model 8b).
Comment (Deposit): Other Comments = Site is located 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): Foley, J.Y., Burns, L.E., Schneider, C.L., and Forbes, R.B., 1989, Preliminary report of platinum group element occurrences in Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File 89-20, 32 p., 1 map sheet, scale 1:2,500,000.
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