Commodities
PrimaryLead, Gold, Silver
SecondaryZinc, Copper
TertiaryAntimony, Arsenic, Cadmium
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formLINEAR, TABULAR
Ore controlWest - Northwest Fault.
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Sphalerite, Tetrahedrite
GangueQuartz
Geology
Host rockDiorite · Oro Blanco Formation;Ruby Diorite
Associated rockDiorite · Ruby Diorite;Sidewinder Quartz Monzonite
StructureBlock Faulting.
Tectonic settingBasin And Range
AlterationIron And Manganese Stains.
Economic & production
Development statusPast Producer
Production years1928-1940
First production1875
Last production1958
Discovery year1872
Identification
Deposit ID10039546
MRDS IDM050255
Alternate namesRough and Ready
RegionNA
Data scoreA
Coordinates31.45791, -111.23569
References
KNIGHT, L.H. JR. 1970, STRUCTURE AND MINERALIZATION OF THE ORO BLANCO DISTRICT ...: UNIV. ARIZ. PH.D. THESIS.FOWLER, G.M., 1938, 1951, MONTANA MINE: ARIZ. BUREAU OF MINES BULLS. 145 & 158.WARREN, H.V., AND LOOF BOUROW, R.W., 1932,... MONTANA AND IDAHO MINES ...: ECON. GEOL., V. 27, NO. 6, P. 578-585ABGMT-USBM FILE DATAABM BULL 191, P. 65.ADMR FILE DATA, MONTANA MINENIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: U.S. BUREAU OF MINES SPECIAL PUBLICATION, 334 P.ANDRUS, D.E., 1931, MILLING METHODS AND COSTS AT THE MONTANA MINE CONCENTRATOR: U.S. BUREAU OF MINES INFORMATION CIRCULAR 6497.1931 U.S. BUREAU OF MINES IC 64971938 GEOLMAP ARIZ. BUREAU OF MINES , BULL. 145CIMRIKNIGHT, 1970 - FROM PRIVATE REPORT.NIEMUTH, 1987; SAWYER AND OTHERS, 1992.