Mine detail: Arizona Central Mine

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

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Location: Greenlee County, Arizona, United States, North America
Lat / long: 33.07677, -109.36871
dep_id: 10111298
mrds_id: M800414
Commodity type: metallic
Major mineral: Copper
Minor mineral: Iron, Zinc
Operation type: Unknown
Production size: Medium ammount of material produced
Development status: Producer
ore: Chalcocite, Chalcopyrite, Cuprite, Goslarite, Magnetite, Malachite, Pyrite, Sphalerite
gangue: Epidote, Garnet, Limonite, Pyroxene, Tremolite
orebody_fm: IRREGULAR
work_type: Surface/Underground
alteration: Sericitization Of Granite With The Introduction Of Pyrite And Chalcopyrite In Veinlets
conc_proc: Extensive Surface Leaching Zone Immediately Adjoined By Chalcocite Ore Bodies; Cuprite Occurs At The Upper Limit Of The Chalcocite Zone Near The Contact Of Porphyry And Metamorphic Rock (At Depths Of 200 To 300 Ft) As A Decomposition Product Of Chalcocite; Secondary Enrichment And Mineralization Along Fissure Veins
ore_ctrl: Majority Of Ore Is Contained In The Ne Trending Williams Vein Which Follows A Porphyry Dike Of Greatly Varying Width; Concentrated Along Contact Between Sedimentary Rocks And Porphyry; Lode Follows Apache Fault Zone On Se Side Of Property
Reporter: Calder, Susan R.
hrock_unit: Modoc Limestone;Morenci Shale;Longfellow Limestone
hrock_type: Limestone
arock_unit: Morenci Granite Porphyry;Coronado Quartzite
arock_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
Year first produced: 1882
yr_lst_prd: 1920
disc_yr: 1870
discr: Jim Bullard, John Swisshelm
References:
  • 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
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