The Lafayette Glacier is a gold and silver 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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Lafayette Glacier MRDS details
Site Name
Primary: Lafayette Glacier
Commodity
Primary: Gold
Primary: Silver
Location
State: Alaska
District: Prince William Sound
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
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: Pyrite
Gangue: Quartz
Comments
Comment (Production): Production Notes = No recorded production.
Comment (Reference): Primary Reference = Jansons and others, 1984
Comment (Workings): Workings / Exploration = There have been no placer workings or production to date and potential for mineral development is low (Jansons and others, 1984). An alluvium sample contained 0.001 oz/cubic yard Au. Two float samples contained a trace of gold and 0.03 and 0.12 oz/ton Ag.
Comment (Geology): Geologic Description = Jansons and others (1984) reported disseminated, very fine-grained gold in poorly washed fluvial glacial gravels. A large volume of gravel occurs in the stream flowing from Lafayette Glacier and large boulders are present. The bedrock in the area is metasedimentary rocks of the Late Cretaceous Valdez Group. Quartz vein material and metasedimentary float rock contain pyrite, a trace of gold, and up to 0.12 oz/ton Ag (Jansons and others, 1984).
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Quaternary
References
Reference (Deposit): Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, Southcentral Alaska: U.S. Bureau of Mines Open-File Report 5-84, 218 p., 2 sheets, scale 1:250,000.
Reference (Deposit): Hoekzema, R.B., and Fechner, S.A., 1986, Placer Gold sampling in and near the Chugach National Forest, Alaska: U.S. Bureau of Mines Information Circular 9091, 42 p.
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