Mine detail: Jean E Group

Previously called 'Black Bear Nos. 1 and 2'

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Location

Lat / long: 32.02901, -111.59792

Resource(M)

Primary: Manganese
Tertiary: Copper, Zinc
Orebody form: IRREGULAR VEINLETS IN FRACTURE ZONE
Discovery year: 1938

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1954-1956 (?)
First production started: 1954

Geology

Host type:Rhyolite
Associated type:Rhyolite
Structure:Northwest Trending Fracture Zone.
Tectonic:Basin And Range

References

MRDSM050655
DEP10039688
Reference{Deposit:: FARNHAM, STEWART AND DE LONG, 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM I.C. 7990, P. 115 - 116.}{Deposit:: 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.}{Deposit:: 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..}{Deposit:: 1941 DIREXPL U.S. BUREAU OF MINES, TRENCHING PROGRAM}{Deposit:: 1956 RECON U.S. BUREAU OF MINES;IC 7990}{Deposit:: 1954 DIREXPL DRAKE MINED ORE}{Other Database:: CIMRI}{Production:: USBM IC 7990; NOWLAN AND OTHERS, 1989.}
ReporterJohnson, Maureen G., Orris, Greta J.