Mine detail: Las Trajas Mine

Previously called 'Arizona Copper Co Property'

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Location

Lat / long:

33.10066, -109.39509

Resource(M)

Primary:	Copper
Secondary:	Gold, Silver
Ore:	Chrysocolla, Malachite
Gangue:	Limonite
Orebody form:	TABULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host type:	Quartzite
Associated rock:	Coronado Quartzite
Associated type:	Quartz Monzonite
Structure:	South Side Of Prominent Quartz Itic Ridge North Of Morenci; Ridge Forms Divide Between Chase Creek And Eagle Creek Watersheds; Block Faulting South Of The Great Coronado Fissure Vein With Downthrow Of 1200 Ft On Southern Side And Gentle Westward Dip, Vein Is Located On A Subrodinate Fault Fissure
Tectonic:	Coronado Granite Massif Surrounded By Peripheral Faults
Alteration processes:	Surface Oxidation; Majority Of Fissure Veins In This Region Contain Oxidized Copper Ores In Their Upper Levels

References

MRDS	M800407
DEP	10048282
Reference	{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: USBM FILES, LAS TRAJAS MINE}{Deposit:: USGS PP 43, P. 345}{Deposit:: BENNETT, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153 P.}
Reporter	Calder, Susan R.