Mine detail: Ivanhoe Mine

Previously called 'Commercial Tunnel & Shaft'

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Location

Lat / long:

31.5618, -110.80151

Resource(M)

Primary:	Silver, Copper
Secondary:	Lead
Tertiary:	Gold, Molybdenum, Zinc, Antimony
Ore:	Chalcocite, Chalcopyrite, Copper, Galena, Gold, Pyrite, Tetrahedrite, Wulfenite
Gangue:	Alunite, Epidote
Orebody form:	SPOTTY ORE SHOOTS, SMALL POCKETS
Discovery year:	1850

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1850
Last production ended:	1924

Geology

Host type:	Granite
Associated rock:	Squaw Gulch Granite;Lower Member Of Temporal Formation, Rhyolite Tuff & Tuff Breccia
Associated type:	Diorite,Rhyolite,Andesite
Structure:	Ew And Ne Trending Quartz Fissure Veins Cutting Diorite And Granite Porphyry; Both Granite And Andesite In Region Are Sliced By Nnw Sheet Ing With Steep Easterly Dip, Mineralized Breccia, Nnw Pre-Paleocene Fault & 2 Paleocene Faults
Tectonic:	Nw Trending Santa Rita Fault Zone Separating Salero And Mt. Wright Son Fault Blocks
Alteration processes:	Sericitized, Kaolinized, Silicitied

References

MRDS	M050441
DEP	10039602
Reference	{Deposit:: SCHRADER, 1915, USGS BULL 582}{Deposit:: DREWES, 1971, USGS MAP I-614}{Deposit:: KEITH, 1975, ABM BULL 191}{Deposit:: ELSING & HEINEMAN, 1936, ABM BULL 140}{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: USBM FILES, IVANHOE MINE}{Deposit:: ABGMT CLIPPINGS FILE, IVANHOE MINE}{Deposit:: ABGMT FILE DATA, STANTON B. KEITH}{Deposit:: TENNEY, 1927-29, HISTORY OF MINING IN AZ, ABM, P.318}{Production:: KEITH, 1975; ABM FILE DATA}
Reporter	Peterson, Jocelyn A., Calder, Susan R.