Arizona · Cochise County
Past Producer
Night Hawk Mine
Cochise County, Arizona, United States
Copper
Silver
Gold
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USGS source ↗
Commodities
Primary
Copper
Secondary
Silver, Gold
Commodity type
M
Deposit
Deposit type
Replacement
Deposit size
M
Workings
Underground
Orebody form
IRREGULAR
Ore control
Ore Bodies Near Dikes And Sills, And Faulting And Associated Brecciation
Materials
Ore minerals
Bornite, Chalcocite, Chalcopyrite, Cuprite, Silver
Gangue
Pyrite, Quartz
Geology
Host rock
Limestone · Abrigo Limestone
Associated rock
Granite · Sacramento Hill Stock
Structure
Pre-Mineralization Faulting And Tilting Common, Main Fault Directions, 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
First production
1923
Last production
1930
Identification
Deposit ID
10046233
MRDS ID
M241096
Region
NA
Data score
B
Coordinates
31.41597, -109.91454
References
KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 89KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.