Mine detail: Simplot Mine

Previously called 'Part of Duquesne-Washington Group'

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Location

Lat / long:

31.38597, -110.69928

Resource(M)

Primary:	Copper, Lead, Silver, Zinc
Secondary:	Molybdenum
Ore:	Argentite, Chalcopyrite, Digenite, Galena, Molybdenite, Pyrite, Pyrrhotite, Sphalerite
Gangue:	Garnet, Quartz

Production

Operation type:	Unknown
Production size:	Unknown
Development status:	Occurrence

Geology

Host rock:	Concha Limestone
Host type:	Limestone
Associated rock:	Duquesne Volcanics
Associated type:	Andesite
Structure:	Mineral 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 Mineral Faulting Displacing Ore Horizons Tens Of Feet, Nw Plu Nging Anticline; 2 Upper Ore Zones Thicken And Locally Merge To Form O Ne Ore Zone Dipping 50-70 Ne Along Axis Of A Nw Plunging Anticline
Tectonic:	Washington Camp Fault Block

References

MRDS	M030398
DEP	10037100
Reference	{Deposit:: LEHMAN, 1978, PH.D. THESIS, UNIV OF AZ}{Deposit:: SIMONS, 1974, USGS MAP I-762}{Deposit:: KEITH, 1975, ABM BULL 191}{Deposit:: SCHRADER, 1915, USGS BULL 582}{Deposit:: ABGMT FILE DATA}{Deposit:: ADMR FILE DATA, J.R. SIMPLOT CO. PROPERTY}
Reporter	Peterson, Jocelyn A., Calder, Susan R.