The Black Bear 1-5 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
Black Bear 1-5 MRDS details
Site Name
Primary: Black Bear 1-5
Commodity
Primary: Gold
Location
State: Alaska
District: Valdez Creek
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 Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Exploration): Status = Inactive
Comment (Geology): Geologic Description = The drainage area around the Black Bear gold placer prospect contains porphyry, skarn, and polymetallic and epithermal vein deposits, all having significant gold content. Three placer samples contained good gold values; the richest assayed 0.7 ounce of gold per ton (Balen, 1990: OFR 34-90).
Comment (Workings): Workings / Exploration = Surface workings only.
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Comment (Reference): Primary Reference = Balen, 1990 (OFR 34-90)
Comment (Geology): Age = Quaternary.
References
Reference (Deposit): Balen, M.D., 1990, Geochemical sampling results from the Bureau of Mines Investigations in the Valdez Creek mining district, Alaska: U.S. Bureau of Mines Open-File Report 34-90, 218 p., 2 plates, scale 1:250,000.
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