Arizona · Cochise County
Past Producer
Boras Mine
Cochise County, Arizona, United States
Copper
Manganese
Silver
Gold
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USGS source ↗
Description
Boras Leasing Co.
Commodities
Primary
Copper
Tertiary
Manganese, Silver, Gold
Commodity type
M
Deposit
Deposit type
Replacement
Deposit size
S
Workings
Underground
Orebody form
IRREGULAR, PIPE-LIKE
Ore control
Ore Bodies Near Dikes & Sills, And Faulting & Assoc Brecciation
Materials
Ore minerals
Gold, Silver
Gangue
Pyrite, Quartz
Geology
Host rock
Limestone · Abrigo Formation; Martin Formation
Associated rock
Granite
Structure
Pre-Mineralization Faulting And Tilting Common, Main Fault Direction, N10w To N40e, S30w To N50w, Pre-Mineralization
Alteration
Gossan With Mn And Fe Oxides Induced By Hydrothermal Metamorphism
Economic & production
Development status
Past Producer
Discovery year
1917
Identification
Deposit ID
10046244
MRDS ID
M241110
Region
NA
Data score
B
Coordinates
31.41292, -109.91343
References
KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 85.FARNHAM, USBM IC 7990, P. 21KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.