Nevada · Lyon County
Past Producer
Spragg Mine
Lyon County, Nevada, United States
Copper
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USGS source ↗
Commodities
Primary
Copper
Commodity type
M
Deposit
Deposit type
Replacement
Deposit size
S
Workings
Surface
Orebody form
IRREGULAR
Ore control
Shear Zone
Materials
Ore minerals
Chalcopyrite
Geology
Associated rock
Diorite,Rhyolite
Structure
Numerous Faults
Economic & production
Development status
Past Producer
Identification
Deposit ID
10037693
MRDS ID
M035866
Alternate names
Mason Valley Mines
Region
NA
Data score
C
Coordinates
38.95185, -119.22931
References
MARCH 16 , 1907 , MINING AND SCIENTIFIC PRESS, P. 349