The Cosmos Creek is a asbestos 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
Cosmos Creek MRDS details
Site Name
Primary: Cosmos Creek
Commodity
Primary: Asbestos
Secondary: Jade
Secondary: Gold
Location
State: Alaska
District: Shungnak
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: Serpentine-hosted asbestos
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chrysotile
Ore: Gold
Ore: Jade
Ore: Nephrite
Ore: Tremolite
Comments
Comment (Deposit): Model Name = Serpentine-hosted asbestos/placer Au
Comment (Workings): Workings / Exploration = Four trenches dug by USBM (Heide and others, 1949, p. 21-22) to obtain samples for testing.
Comment (Geology): Geologic Description = Low grade chrysotile and tremolite asbestos veinlets less than 1.5 in. (3 cm) wide, along strike length of over 1 mi. (1.6 km). Small amounts of Au and minor nephrite reported in nearby creek gravels (Anderson, 1947, p. 15).
Comment (Reference): Primary Reference = Anderson, 1947
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Reed, I.M., 1931, Report on the placer deposits of the upper Kobuk goldfields: Alaska Territorial Department of Mines Miscellaneous Report 37-1, 57 p
Reference (Deposit): Anderson, Eskil, 1947, Mineral occurrences other than gold deposits in northwestern Alaska: Alaska Territorial Division of Mines Pamphlet 5-R, 48 p.
Reference (Deposit): Heide, H.E., Wright, W.S., and Rutledge, F.A., 1949, Investigations of the Kobuk River asbestos deposits, Kobuk district, northwest Alaska: U.S. Bureau of Mines Report of Investigations 4414, 25 p.
Reference (Deposit): Anderson, Eskil, 1945, Asbestos and jade occurrences in the Kobuk River region, Alaska: Alaska Territorial Department of Mines Pamphlet 3-R, 48 p.
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