Arizona · Pima County
Past Producer

Black Horse Mine

Pima County, Arizona, United States
Copper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlOre Generally In Lime-Silicate Zones Controlled By Faults And Fractures.
Geology
Host rockLimestone · Horquilla Limestone Limestone.;Martin Formation Limestone
Associated rockDiorite · Quartz Latite 56 My +-2 My Quartz Latite.;Granodiorite Porph 1450+-10my Granodiorite
StructureThrust And Normal Faulting - Fracture Zones., Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N.
Tectonic settingBasin And Range.
Economic & production
Development statusPast Producer
Identification
Deposit ID10103732
MRDS IDM050034
RegionNA
Data scoreB
Coordinates31.86263, -110.76624
References
SCHRADER, F. C. 1915 USGS BULL. 582ARIZONA BUREAU OF MINES 1971 FIELDNOTES V. 1 NO. 2DREWES, H. 1971 USGS MAP I-613 (SAHUARITA QUAD)1909 RECON F. C. SCHRADER U.S.G.S. BULL. 5821971 DIREXPL ANACONDA-POSSIBLE NEW PORPH. COPPER DEPOSIT.1971 GEOLMAP H. DREWES U.S.G.S. MAP I-613