Description
Geo. M. Evans And Assoc.
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit sizeS
Orebody formIRREGULAR VEINLETS IN FRACTURE ZONE
Ore controlFracture Zone
Geology
Host rockRhyolite
Associated rockRhyolite
StructureNorthwest Trending Fracture Zone.
Tectonic settingBasin And Range
Economic & production
Development statusPast Producer
Production years1955
First production1955
Discovery year1940
Identification
Deposit ID10039687
MRDS IDM050654
Alternate namesBlack Hawk No. 1, 2, and 3, Black Eagle Nos. 1 and 2, Blue Devil Nos.1 & 2
RegionNA
Data scoreB
Coordinates32.03012, -111.60376
References
FARNHAM, STEWART AND DE LONG, 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM IC 7990.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.1955 DIREXPL DRAKE MINING CO; MINED OREFARNHAM, STEWART AND DELONG, 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA; USBM IC 79901956 RECON U.S.B.M. IC 7990CIMRI