The Homestake Creek 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
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Homestake Creek MRDS details
Site Name
Primary: Homestake Creek
Secondary: Platte Creek
Commodity
Primary: Gold
Location
State: Alaska
District: Bonnifield
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
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 (Reference): Primary Reference = Cobb, 1978 (OFR 78-1062)
Comment (Workings): Workings / Exploration = Surface only. The gravels in Platte Creek were reported to carry 0.14 ounce of gold per cubic yard. Gravels on bedrock downstream contained 0.14 to 0.43 ounce of gold per cubic yard (Capps, 1912).
Comment (Geology): Geologic Description = Upper Platte Creek drains en Eocene to Miocene sequence of poorly consolidated pebbly sandstone, claystone, and subituminous coal (Wilson and others, 1998). Lower Platte Creek to its junction with Fox Creek drains schist of the Keevy Peak Formation, which is intruded by Tertiary hypabyssal granitic rocks. The workings at Platte Creek are in well-sorted and rounded gravels 3 to 6 feet thick. Most of the gold is in the lower 2 to 3 feet of the gravel and upper part of schist bedrock. Paystreaks 25 to 60 feet wide were reported (Cobb, 1973: B1374). In Homestake Creek, the gravels are coarse and poorly sorted, and contain abundant cobble and boulder-sized clasts that include large angular blocks of andesite. The gravels in Platte Creek were reported to carry 0.14 ounce of gold per cubic yard. Gravels on bedrock downstream contained 0.14 to 0.43 ounce of gold per cubic yard (Capps, 1912). The most probable sources of the placer gold are Tertiary paleoplacers formed during an earlier erosional cycle of the Alaska Range.
Comment (Geology): Age = Quaternary.
Comment (Deposit): Other Comments = The stream gradient in Platte Creek is 100 feet per mile; in Homestake Creek it is 200 feet per mile.
Comment (Production): Production Notes = Most of the production occurred before 1912.
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
References
Reference (Deposit): Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.
Reference (Deposit): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.
Reference (Deposit): Wilson, F.H., Dover, J.H., Bradley, D.C., Weber, F.R., Bundtzen, T.K., and Haeussler, P.J., 1998, Geologic map of central (interior) Alaska: U.S. Geological Survey Open-File Report 98-133, 17 p., 2 sheetsm, scale 1:500,000.
Reference (Deposit): Capps, S.R., 1912, The Bonnifield region, Alaska: U.S. Geological Survey Bulletin 501, 64 p., 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-1062, 113 p.
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