Arizona · Pima County
Producer
Helena Mine
Pima County, Arizona, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Orebody form
TABULAR
Materials
Ore minerals
Gold
Gangue
Marcasite, Pyrite, Quartz
Geology
Host rock
Rhyolite
Associated rock
Rhyolite
Economic & production
Development status
Producer
Identification
Deposit ID
10039613
MRDS ID
M050493
Region
NA
Data score
C
Coordinates
31.87374, -110.70846
References
SCHRADER, 1915, USGS BULL. 582