The Hearst 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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Hearst Creek MRDS details
Site Name
Primary: Hearst 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 (Reference): Primary Reference = Maddren, 1918
Comment (Workings): Workings / Exploration = In 1905, placer mining was reported (Prindle, 1907, p. 211).
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Comment (Exploration): Status = Inactive
Comment (Production): Production Notes = There is no information available of the amount of gold that was produced.
Comment (Geology): Geologic Description = In 1905, placer mining was reported (Prindle, 1907). Gold is found in the basal stream gravels and on the coal-bearing bedrock (Maddren, 1918). The creek begins in Nenana Gravel and cuts down into the underlying coal-bearing formation (Maddren, 1918).
Comment (Geology): Age = Quaternary placer.
References
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., 1972, Metallic mineral resources map of the Fairbanks quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-410, 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Fairbanks quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-662, 174 p.
Reference (Deposit): Maddren, A.G., 1918, Gold placers near the Nenana coal field: U.S. Geological Survey Bulletin 662, p. 363-402.
Reference (Deposit): Prindle, L.M., 1907, The Bonnifield and Kantishna regions, Alaska: U.S. Geological Survey Bulletin 314-L, p. 205-226.
Reference (Deposit): Capps, S.R., 1911, Mineral resources of the Bonnifield region: U.S. Geological Survey Bulletin 480-H, p. 218-235.
Reference (Deposit): Brooks, A.H., 1911, The Mount McKinley region, Alaska, with descriptions of the igneous rocks and of the Bonnifield and Kantishna districts by L.M. Prindle: U.S. Geological Survey Professional Paper 70, 234 p.
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