Mine detail: Isle Royal Mine

Previously called 'Isle Royale'

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Location: Pima County, Arizona, United States, North America
Lat / long: 31.85791, -110.7679
dep_id: 10039411
mrds_id: M050044
Commodity type: metallic
Major mineral: Copper
Minor mineral: Silver
Trace mineral: Gold, Molybdenum, Tungsten
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcocite, Chalcopyrite, Malachite, Molybdenite, Powellite
orebody_fm: PIPE
work_type: Underground
alteration: Pyrite-Chalcopyrite-Gossan; Skarn
conc_proc: Permeable Fracture Zone; Oxide Zone Down To 330 Ft Level
ore_ctrl: Altered Limestone Along Fault
Reporter: Peterson, Jocelyn A.
hrock_unit: Escabrosa Limestone;Horquilla Limestone;Abrigo Formation;Bolsa Quartzite
hrock_type: Limestone
arock_unit: Continental Granodiorite
arock_type: Diorite
Structure: Homoclinal, Tilting And Broad Open Folds In S, Extensive Faulting I N N, Nw Striking Thrust Fault With Limestone In Footwall And Granite In Hanging Wall, Normal Faulting
tectonic: Basin And Range
disc_yr: 1882
discr: C.E. Hughes
References:
  • Deposit:: SCHRADER, 1915, USGS BULL 582
  • Deposit:: ABM, 1971, FIELDNOTES V. 1, NO. 2
  • Deposit:: DREWES, 1971, USGS MAP I-613
  • Deposit:: CREASEY, 1955, USGS BULL 1027-F
  • Deposit:: KEITH, 1974, ABM BULL 189
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