Mine detail: Manganese Blue Mine

Previously called 'Copper Mountain Claim WorkingOld Blue ShaftDetroit Copper Co. Group'

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Location: Greenlee County, Arizona, United States, North America
Lat / long: 33.07454, -109.36593
dep_id: 10104152
mrds_id: M800423
Commodity type: metallic and nonmetallic
Major mineral: Copper
Minor mineral: Iron
Trace mineral: Gypsum-Anhydrite
Operation type: Unknown
Deposit type: Contact Metamorphic
Production size: Small ammount of material produced
Development status: Past Producer
ore: Brochantite, Chalcocite, Chalcopyrite, Cuprite, Gypsum, Malachite, Pyrite
gangue: Epidote, Kaolin, Limonite, Pyroxene
orebody_fm: TABULAR
work_type: Surface/Underground
alteration: Oxidation To Depths Of 400 Ft, Facilitated By Richness Of Sulfides In Ore Body And Good Exposure To Percolating Waters; Modoc Limestone Has Been Greatly Altered To Heavy Garnet
conc_proc: Copper Mountain Fault Carried Mineralizing Solutions Down To Lower Ore Bodies; Extensive Surface Leaching
ore_ctrl: Irregular And Tabular Deposits Of Very Rich Oxidized Ores Along Contact Between Limestone And Porphyry, And Between Porphyry Dikes; Occur In Limestone And Shale As 5 More Or Less Regular Beds And Are Truncated By The Copper Mountain Fault
Reporter: Orris, Greta J., Calder, Susan R.
hrock_unit: Modoc Limestone;Morenci Shale
hrock_type: Shale,Limestone
arock_unit: Morenci Granite Porphyry;Coronado Quartzite
arock_type: Quartz Monzonite,Plutonic Rock
Structure: Copper Mountain Fault Separates Rich Disseminated Chalcocite Ore From Barren Porphyry, Ore Bodies Are Contained Between 2 Porphyry Dikes About 400 To 500 Ft Apart (Joy Dike And Hummingbird Dike)
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: 1872
discr: W.L. Ryerson, John Swisshelm, Jim Bullard, Joe Yankie
References:
  • Deposit:: ABGMT-USBM FILE DATA
  • Deposit:: BLM DISTRICT SHEET 840.
  • Deposit:: ARIZONA BUREAU OF MINES BULLETIN 149, P. 15.
  • Deposit:: WATT, ROBERTA, 1956, HISTORY OF MORENCI ARIZONA, M.A. THESIS, UNIVERSITY OF ARIZONA
  • Deposit:: BENNETT, K-C, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: TUCSON, ARIZONA, M.S. THESIS, UNIVERSITY OF ARIZONA, 153 P.
  • Other Database:: CIMRI
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