The Wells Bay No. 4 is a gold, arsenic, 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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Wells Bay No. 4 MRDS details
Site Name
Primary: Wells Bay No. 4
Commodity
Primary: Gold
Primary: Arsenic
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
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Arsenopyrite
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Exploration): Status = Inactive
Comment (Geology): Geologic Description = Jansons and others (1984) reported a 30-ft-wide, more than 100-ft-long shear zone in graywacke of the Tertiary Orca Group. The shear zone contains fractured graywacke cemented by pyrite, arsenopyrite, and quartz. Eight grab samples contained up to .012 oz/ton Au, less than 0.2 to 0.6 oz/ton Ag, and up to 0.2 percent As.
Comment (Workings): Workings / Exploration = Eight grab samples contained up to .012 oz/ton Au, less than 0.2 to 0.6 oz/ton Ag, and up to 0.2 percent As. Jansons and others (1984) indicate low potential for mineral development.
Comment (Reference): Primary Reference = Jansons and others, 1984
Comment (Geology): Age = Paleocene or younger; shear zone cuts graywacke of the Tertiary Orca Group.
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.
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