Mine detail: Polaris Group

Previously called 'Parrot GroupGolden EagleEvans Point Gold Placers'

<< Back to the map

Location

Lat / long: 33.13482, -109.30843

Resource(M)

Primary: Gold
Secondary: Copper, Silver, Lead, Zinc
Ore: Bornite, Chalcocite, Chalcopyrite, Pyrite
Gangue: Kaolin, Sulfur
Orebody form: CONTIGUOUS LENSE AND SHOOT DEPOSITS
Discovery year: 1890

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1911
Last production ended: 1943

Geology

Host rock:Modoc Limestone;Morenci Shale;Longfellow Limestone
Host type:Granite
Associated rock:Precambrian Granite Basement;Morenci Granite Porphyry
Associated 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
Alteration processes:Surface Oxidation To Unknown Depths

References

MRDSM800401
DEP10048278
Reference{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}
ReporterCalder, Susan R.