Commodities
PrimaryVanadium, Lead
SecondaryMolybdenum, Zinc, Copper, Silver, Gold, Semiprecious Gemstone
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlNarrow Band In Middle Part Of Fault Zone Where Quartzite & Diabase Gouge Are Altered To A White Porous Mass Of Clay, Sericite, And Calcite
Materials
Ore mineralsAnglesite, Brochantite, Chrysocolla, Covellite, Descloizite, Galena, Malachite, Mottramite, Vanadinite, Willemite, Wulfenite
GangueCalcite, Diabase, Limonite, Quartz
Geology
Host rockDiabase,Quartzite · Pioneer Quartzite (Apache Group)
Associated rockDiabase
StructureBottom Limit Of Ore Is Bedding Plane Fault Which Possibly Obstructed Mineralizing Solutions
AlterationChloritization, Clay-Sericite-Calcite
Economic & production
Development statusPast Producer
First production1929
Last production1957
Discovery year1875
Identification
Deposit ID10027368
MRDS IDM002970
Alternate namesDefiance Mine, Vanadium Shaft, Defiance Lead
RegionNA
Data scoreB
Coordinates33.46952, -110.81541
References
PETERSON, 1950, ABM BULL 156, P. 101.PETERSON, 1962, USGS PP 342, P. 126.WILSON, 1971, MINERAL. RECORD, V. 2, NO. 6, P. 252-258.ADMR DEFIANCE FILE,ABGMT CLIPPINGS FILES (DEFIANCE, APACHE),ABGMT-USBM DATA,BLAIR, GERRY, 1992, THE ROCKHOUND'S GUIDE TO ARIZONA: HELENA, MONTANA, FALCON PRESS, 165 P.CIMRIWILSON, 1971, P. 253