Mine detail: Polaris Group

Previously called 'Parrot GroupGolden EagleEvans Point Gold Placers'

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Location: Greenlee County, Arizona, United States, North America
Lat / long: 33.13482, -109.30843
dep_id: 10048278
mrds_id: M800401
Commodity type: metallic
Major mineral: Gold
Minor mineral: Copper, Silver, Lead, Zinc
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Bornite, Chalcocite, Chalcopyrite, Pyrite
gangue: Kaolin, Sulfur
orebody_fm: CONTIGUOUS LENSE AND SHOOT DEPOSITS
work_type: Surface/Underground
alteration: Surface Oxidation To Unknown Depths
conc_proc: Mineralization Along Fissure Veins And Contact Between Granite And Limestone; Extensive Surface Leaching
ore_ctrl: Ne Trending Fissure Veins; W-E Trending Porphyry Dikes
Reporter: Calder, Susan R.
hrock_unit: Modoc Limestone;Morenci Shale;Longfellow Limestone
hrock_type: Granite
arock_unit: Precambrian Granite Basement;Morenci Granite Porphyry
arock_type: Quartz Monzonite,Diorite
Structure: Granite Mass Cut By W-E Trending Dikes Of Porphyry, Diorite, And Phonolite; Dikes Run At Acute And Right Angles To Vein System, N-Trending Quartzitic Fissure Veins With Well-Defined Contacts Between Granite And Sedimentary Rocks; Polaris Property Contains 10 Nearly Vertical Quartz And Porphyry-Filled Veins That Are Traceable On Surface
tectonic: Great Fault Block Ne Of Copper King Mountain; Downthrow Of About 1000 Ft
Year first produced: 1911
yr_lst_prd: 1943
disc_yr: 1890
discr: Small Groups, Later Forming Polaris Mining And Milling Co
References:
  • Deposit:: ABGMT-USBM FILE DATA
  • Deposit:: ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, UNDER POLARIS GROUP AND PARROT GROUP
  • Deposit:: ABGMT CLIPPINGS FILE, UNDER POLARIS MINING AND MILLING CO, VICTORY MINING CO
  • Deposit:: STEVENS, H.J., 1911, THE COPPER HANDBOOK, VOL. X, PAGE 1422, POLARIS MINING AND MILLING CO
  • 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, 153P.
  • Deposit:: BLM DISTRICT SHEET 838
  • Deposit:: USGS PP 43, P. 363
  • Deposit:: USBM FILES; AMAX INC.
  • Deposit:: WEED, W.H., 1916, THE MINES HANDBOOK, VOL. XII, PAGES 933-934, POLARIS MINING AND MILLING CO
  • Deposit:: MINING REPORTER V. LIII, NO. 16, (APRIL 19, 1906), REVIVAL OF GOLD MINING IN CLIFTON-MORENCI, AZ, DISTRICT
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