Commodities
PrimaryManganese
TertiaryCopper, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR VEINLETS IN FRACTURE ZONE
Ore controlNorthwest Trending Fracture Zone And Northeast Trending Fault.
Geology
Host rockRhyolite
Associated rockRhyolite
StructureNorthwest Trending Fracture Zone.
Tectonic settingBasin And Range
Economic & production
Development statusPast Producer
Production years1954-1956 (?)
First production1954
Discovery year1938
Identification
Deposit ID10039688
MRDS IDM050655
Alternate namesBlack Bear Nos. 1 and 2
RegionNA
Data scoreB
Coordinates32.02901, -111.59792
References
FARNHAM, STEWART AND DE LONG, 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM I.C. 7990, P. 115 - 116.NOWLAN, G.A., HAXEL, G.B., HANNA, W.F., PITKIN, J.A., DIVELEY-WHITE, D.V., MCDONNELL, J.R., JR., AND LUNDBY, WILLIAM, 1989, MINERAL RESOURCES OF THE BABOQUIVARI PEAK AND COYOTE MOUNTAINS WILDERNESS STUDY AREAS, PIMA COUNTY, ARIZONA: U.S. GEOLOGICAL SURVEY BULLETIN 1702, 30 P.FARNHAM, L.L., STEWART, L.A., AND DE LONG, C.W., 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: U.S. BUREAU OF MINES INFORMATION CIRCULAR IC 7990, 178 P..1941 DIREXPL U.S. BUREAU OF MINES, TRENCHING PROGRAM1956 RECON U.S. BUREAU OF MINES;IC 79901954 DIREXPL DRAKE MINED ORECIMRIUSBM IC 7990; NOWLAN AND OTHERS, 1989.