Commodities
PrimarySilica, Silver, Gold
TertiaryMolybdenum, Copper, Lead, Vanadium
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR, STRINGERS, MASSIVE
Ore controlFracture Zones Where Oxidized; Ore Also Deposited In Fault Breccia On Hanging Wall
Materials
Ore mineralsArgentite, Cerargyrite, Chalcocite, Chalcopyrite, Chrysocolla, Embolite, Galena, Gold, Iodyrite, Molybdenite, Proustite, Pyrite, Silver, Tetrahedrite, Wulfenite
GangueAlunite, Calcite, Fluorite, Gypsum, Hematite, Jarosite, Kaolin, Limonite, Rhodochrosite, Sericite, Siderite
Other materialsQuartz
Geology
Host rockRhyolite,Andesite
Associated rockRhyolite,Andesite · Pearce Volcanics;Brockman Andesite
StructureFlows Dip 35-40e, Fissure Veins And Fault Breccia Zones; N-S Faults Are Premineraliz Ation, Others Are Postmineralization
AlterationPropylitic, Silicification, Oxidation; Alteration More Intense In And Near Vein Fractures. Sericitic And K-Spar Alteration Closest To The Veins, With Extensive Argillic And Propylitic Alteration Away From The Veins.
Economic & production
Development statusPast Producer
Production years1895-1942, OTHER
First production1895
Last production1979
Discovery year1895
Identification
Deposit ID10103554
MRDS IDM030569
Alternate namesRitter, North, Smith, Footwa Ll, Brockman, Discovery Stope, Main, Extension, Pearce Mine, Includes Eisenhart Vein, Rinaud, Hartery Veins
RegionNA
Data scoreA
Coordinates31.90069, -109.81509
References
SMITH, 1927, MS THESIS, UNIVERSITY OF ARIZONA.KEITH, 1973, ABM BULL 187.ABM FILE DATA.SCOTT, 1916, MINING AND ENGINEERING WORLD, V. 45, P. 187-188.HOWELL, 1977, MS. THESIS, UNIVERSITY OF ARIZONA.ADMR FILE DATAHEYLMUN, E.B., 1988, COMMONWEALTH SILVER-GOLD MINE, ARIZONA: CALIFORNIA MINING JOURNAL, V. 57, NO. 5, P. 14-16.NIEMUTH, 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: UNITED STATS BUREAU OF MINES SPECIAL PUBLICATION, 334 P.CIMRIKEITH, 1973, P. 69; HEYLMUN, 1988, P. 16; SAWYER AND OTHERS, 1992.NIEMUTH, 1987.