Mine detail: Polaris Group

Previously called 'Parrot GroupGolden EagleEvans Point Gold Placers'

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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

MRDS	M800401
DEP	10048278
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}
Reporter	Calder, Susan R.