Commodities
PrimaryGold, Silver
SecondaryCopper, Lead, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENS
Ore controlStructure Control Unknown - But Caused Intense Crackling And Brecciation Of Tuff & Replacement By Quartz. Fault & Contact Of Cobre Ridge Tuff & Oro Blanco Fm.
Materials
Ore mineralsGalena, Sphalerite, Tetrahedrite
GanguePyrite, Quartz
Geology
Host rockQuartz Monzonite,Clastic Sedimentary Rock · Oro Blanco Formation;Cobre Ridge Tugg;Sidewinder Quartz Monzonite
Associated rockQuartz Monzonite,Welded Tuff
StructureBlock Faulting., N65e Striking, 40 To 80 N Dipping Faults Offset - Mineralization & Dikes
Tectonic settingBasin And Range
AlterationSilicification; Qtz-Ser-Pyr ; Weak Wall Rock Alteration
Economic & production
Development statusPast Producer
Production yearsD1-1912-14; D2-1940'S/ D3-1960'S? ; D4-1912-1963
First production1912
Last production1963
Discovery year1865
Identification
Deposit ID10039540
MRDS IDM050243
RegionNA
Data scoreB
Coordinates31.4668, -111.26791
References
KNIGHT, L.H., JR., 1970, ORO BLANCO DISTRICT: UNIV. ARIZ. PH.D.-THESIS.MILTON, M.C., 1913, ORO BLANCO DISTRICT: EMJ, V. 96, P. 1006.WILSON ET AL, 1934, ARIZONA LODE GOLD MINES: ABM BULL. 137.YEEND, WARREN, 1973.ABGMT-USBM FILE DATA.KEITH, S.B., 1975, INDEX OF MINING PROPERTIES IN SANTA CRUZ CO., ARIZ.: ARIZ. BUREAU OF MINES, BULL 191, P. 62.yCIMRIKNIGHT LHJR 1970; ALSO WILSON ETAL 1934 ; ABM FILE DATA