Mine detail: Arizona Central Mine

Previously called 'Copper Mountain TunnelDetroit Copper Co. Group, Williams Vein, Arizona Central Vein'

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Location

Lat / long:

33.07677, -109.36871

Resource(M)

Primary:	Copper
Secondary:	Iron, Zinc
Ore:	Chalcocite, Chalcopyrite, Cuprite, Goslarite, Magnetite, Malachite, Pyrite, Sphalerite
Gangue:	Epidote, Garnet, Limonite, Pyroxene, Tremolite
Orebody form:	IRREGULAR
Discovery year:	1870

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Producer
First production started:	1882
Last production ended:	1920

Geology

Host rock:	Modoc Limestone;Morenci Shale;Longfellow Limestone
Host type:	Limestone
Associated rock:	Morenci Granite Porphyry;Coronado Quartzite
Associated type:	Granite
Structure:	Ne Trending Fissure Veins; Porphyry Dike Of 500 Ft Maximum Width Connects In 2 Places With The Main Porphyry Mass Of Copper Mountain, Ne Trending Fissure Veins Are Partly In Porphyry And Partly In Contact-Metamorphosed Limestones; Veins Occasionally Outcrop On Surface; Apache Fault, N45w, 65 Ne, 15 Associated With Faults That Cut The Deposit
Tectonic:	Complex Copper Mountain Fault System With Substantial Vertical Displacement; Fault Blocks Generally Downthrown To Ne
Alteration processes:	Sericitization Of Granite With The Introduction Of Pyrite And Chalcopyrite In Veinlets

References

MRDS	M800414
DEP	10111298
Reference	{Deposit:: USGS PP 43, P. 281-291.}{Deposit:: BLM DISTRICT SHEETS 840 AND 841.}{Deposit:: WATT, ROBERTA, 1956, HISTORY OF MORENCI ARIZONA, M.A. THESIS, UNIVERSITY OF ARIZONA.}{Deposit:: CLELAND, ROBERT G., 1952, A HISTORY OF PHELPS DODGE, P. 81.}{Deposit:: ARIZ BUR MINES BULL 149, NO 15.}{Deposit:: ABGMT-USBM FILE DATA.}{Other Database:: CIMRI}
Reporter	Calder, Susan R.