Description
Thomas Higgins
Commodities
PrimaryCopper, Lead, Manganese
SecondarySilver, Gold
TertiaryVanadium
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeM
WorkingsSurface/Underground
Orebody formIRREGULAR
Ore controlOre Bodies Near Dikes And Sills, And Faulting And Associated Brecciation
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Gold, Silver
GanguePyrite, Quartz
Geology
Host rockLimestone · Abrigo Limestone; Escabrosa Limestone
Associated rockGranite · Sacramento Hill Stock;Shattuck Dike
StructurePre-Mineralization Faulting And Tilting, Main Fault Directions, N10w To N40e, S30w To N50w, Pre-Mineralization
AlterationGossan With Mn And Fe Oxides Induced By Hydrothermal Metamorphism
Economic & production
Development statusPast Producer
First production1913
Last production1920
Discovery year1900
Identification
Deposit ID10026901
MRDS IDM000919
Alternate namesTwilight
RegionNA
Data scoreB
Coordinates31.4382, -109.92065
References
USGS BULL. 710, 1920, PL. IV,PP. 105-6.ARIZ. B. OF M. BULL. 124, 1930, PP. 36-39GALBRAITH, 1941, ARIZONA BUREAU OF MINES BULLETIN 149, P. 65.KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 87.CIMRIKEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.