The Cymru Mine is a copper 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
Cymru Mine MRDS details
Site Name
Primary: Cymru Mine
Secondary: Cimru
Secondary: Cymra
Secondary: Excelsior
Secondary: Vesta
Commodity
Primary: Copper
Primary: Silver
Secondary: Gold
Location
State: Alaska
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Year: 1916
Time Period: 1906-1916
Mined: 70350.000 mt
Material type: ORE
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1906
Year Last Production: 1915
Discovery Year: 1899
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Limestone Strikes N60w, Dips 5 Sw
Alterations
Not available
Rocks
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Permian
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Gangue: Pyrite
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Workings): MAIN WORKING IS A 500 FT LONG TRENCH
Comment (Deposit): FOUR VEINS EACH 1 TO 10 FEET THICK
Comment (Geology): LIMESTONE IS INTERBEDDED WITH QUARTZITE AND GREENSTONE SCHIST
References
Reference (Deposit): USGS PROFESSIONAL PAPER 1, P. 79.
Reference (Deposit): USGS BULL 314, P. 69.
Reference (Deposit): USGS BULL 347, P. 132-134.
Reference (Deposit): USGS BULL 642, P. 83
Reference (Deposit): USGS BULL 1246, P. 175.
Reference (Deposit): ADGGS SPECIAL REPORT 1, P. 27.
Reference (Deposit): USGS MF 433.
Reference (Deposit): USGS OF 78-869, P. 52-53.
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