Commodities
PrimaryManganese
TertiaryCopper, Silver, Gold
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlNarrow Fractures In Shattered And Brecciated Andesite.
Materials
Ore mineralsPsilomelane, Pyrolusite
Geology
Host rockAndesite
Associated rockAndesite
Tectonic settingBasin And Range
Economic & production
Development statusPast Producer
Production years1917
First production1917
Discovery year1915
Identification
Deposit ID10039529
MRDS IDM050225
Alternate namesBlack Diamond, Red and Black Chief
RegionNA
Data scoreB
Coordinates31.70763, -111.60237
References
FARNHAM, STEWART & DE LONG, 1961, USBM IC 7990.ABGMT BULL 189, P. 108.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 USBM TRENCHING AND SAMPLING.1953 DIREXPL PRIVATE PARTIES; DIAMOND DRILLING1957 RECON USBM, IC 7990USBM, IC7990