Mine detail: Las Trajas Mine

Previously called 'Arizona Copper Co Property'

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Location: Greenlee County, Arizona, United States, North America
Lat / long: 33.10066, -109.39509
dep_id: 10048282
mrds_id: M800407
Commodity type: metallic
Major mineral: Copper
Minor mineral: Gold, Silver
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Producer
ore: Chrysocolla, Malachite
gangue: Limonite
orebody_fm: TABULAR
work_type: Surface/Underground
alteration: Surface Oxidation; Majority Of Fissure Veins In This Region Contain Oxidized Copper Ores In Their Upper Levels
conc_proc: Mineralization Along Fissure Veins; Some Surface Leaching
ore_ctrl: South Side Of Prominent Quartzitic 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
Reporter: Calder, Susan R.
hrock_type: Quartzite
arock_unit: Coronado Quartzite
arock_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
References:
  • 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.
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