Commodities
PrimarySilver, Copper, Zinc, Lead
SecondaryGold, Semiprecious Gemstone, Quartz
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formIRREGULAR, TABULAR
Ore controlContact Of Epitaph Dolomite With Scherrer Quartzite; Bedding Planes
Materials
Ore mineralsChalcopyrite, Galena, Molybdenite, Powellite, Pyrite, Quartz, Scheelite, Sphalerite
GangueChlorite, Grossularite, Pyroxene, Talc, Tremolite
Geology
Host rockLimestone · Naco Group;Cherty Marble Member Of Epitaph Dolomite
Associated rockDiorite
StructureMineral Deposits Of Washington Duquesne Area Occupy A Limestone-Sed Iment Belt (2.5 Mi By 1.25 Mi) Surrounded By Igneous Rocks Which Also Form Detached Masses And Dikes Within Belt, Post Ore Faulting Cuts Off Sulfides. Coarse Sheeting Or Jointing D Ips 25e
Tectonic settingWashington Camp Fault Zone
Economic & production
Development statusPast Producer
Discovery year1880
Identification
Deposit ID10037099
MRDS IDM030397
Alternate namesPart of Duquesne-Washington Group, Nash Mines Group
RegionNA
Data scoreB
Coordinates31.3707, -110.69623
References
KEITH, 1975, ABM FILE DATA.LEHMAN, 1978, PH. D. THESIS, UNIV OF AZ.SCHRADER, 1915, USGS BULL 582.ABGMT FILE DATA, STANTON B. KEITH.ABGMT-USBM FILE DATA.USBM FILES, HOLLAND MINE.ADMR FILE DATA, HOLLAND MINE.ABGMT CLIPPINGS FILES, HOLLAND MINE, DUQUESNE MINING AND REDUCTION CO.BLM DISTRICT MINING SHEET 727.TENNEY, 1927-29, HISTORY OF MINING IN AZ, ABM, P. 293-300.BLAIR, GERRY, 1992, THE ROCKHOUND'S GUIDE TO ARIZONA: HELENA, MONTANA, FALCON PRESS, 165 P.CIMRIKEITH, 1975; LEHMAN, 1978