The Disappointment 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
Disappointment Creek MRDS details
Site Name
Primary: Disappointment Creek
Commodity
Primary: Gold
Secondary: PGE
Location
State: Alaska
District: Marshall
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
Ore: Hematite
Ore: Magnetite
Ore: Platinum
Comments
Comment (Geology): Age = Quaternary.
Comment (Reference): Primary Reference = Hoare and Cobb, 1977
Comment (Geology): Geologic Description = Placer gold mining of about the lower one-half mile of Disappointment Creek started in 1914 and continued intermittently until 1939 (Hoare and Cobb, 1977). The pay streak was as much as 300 feet wide. The gravels were 10 to 12 feet thick upstream and more than 35 feet thick at the mouth. The gravels comprised mostly small and well-rounded pebbles and cobbles as much as 8 inches in diameter. The placer concentrates included hematite, magnetite, and minor platinum (Harrington, 1918). Bedrock near the mouth includes slate and conglomerate. Elsewhere in the drainage, Carboniferous (?) to Cretaceous sedimentary and volcanic rocks are intruded by Mesozoic or Tertiary granitic rocks (Hoare and Coonrad, 1959).
Comment (Deposit): Model Name = Placer Au-PGE (Cox and Singer, 1986; model 39a)
Comment (Workings): Workings / Exploration = Open-cut mining took place intermittently from 1914 to 1939. A shaft sunk 35 feet failed to reach bedrock near the mouth, but it was abandoned because of flooding.
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Hoare, J M., and Cobb, E.H., 1972, Metallic mineral resources map of the Russian Mission quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-444, 1 sheet, scale 1:250,000.
Reference (Deposit): Hoare, J.M., and Coonrad, W.L., 1959, Geology of the Russion Mission quadrangle, Alaska: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-292, 1 sheet, scale 1:250,000.
Reference (Deposit): Harrington, G.L., 1918, The Anvik-Andreafsky region, Alaska (including the Marshall district): U.S. Geological Survey Bulletin 683, 70 p.
Reference (Deposit): Hoare, J M., and Cobb, E.H., 1972, Metallic mineral resources map of the Russian Mission quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-444, scale 1:250,000.
Reference (Deposit): Hoare, J.M., and Cobb, E.H., 1977, Mineral occurrences (other than mineral fuels and construction materials) in the Bethel, Goodnews, and Russian Mission quadrangles, Alaska: U.S. Geological Survey Open-File Report 77-156, 98 p.
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