Arizona · Greenlee County
Past Producer

Polaris Group

Greenlee County, Arizona, United States
GoldCopperSilverLeadZinc
⌖ Show on mapUSGS source ↗
Description

Small Groups, Later Forming Polaris Mining And Milling Co

Commodities
PrimaryGold
SecondaryCopper, Silver, Lead, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formCONTIGUOUS LENSE AND SHOOT DEPOSITS
Ore controlNe Trending Fissure Veins; W-E Trending Porphyry Dikes
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Pyrite
GangueKaolin, Sulfur
Geology
Host rockGranite · Modoc Limestone;Morenci Shale;Longfellow Limestone
Associated rockQuartz Monzonite,Diorite · Precambrian Granite Basement;Morenci Granite Porphyry
StructureGranite 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 settingGreat Fault Block Ne Of Copper King Mountain; Downthrow Of About 1000 Ft
AlterationSurface Oxidation To Unknown Depths
Economic & production
Development statusPast Producer
First production1911
Last production1943
Discovery year1890
Identification
Deposit ID10048278
MRDS IDM800401
Alternate namesParrot Group, Golden Eagle, Evans Point Gold Placers
RegionNA
Data scoreB
Coordinates33.13482, -109.30843
References
ABGMT-USBM FILE DATAARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, UNDER POLARIS GROUP AND PARROT GROUPABGMT CLIPPINGS FILE, UNDER POLARIS MINING AND MILLING CO, VICTORY MINING COSTEVENS, H.J., 1911, THE COPPER HANDBOOK, VOL. X, PAGE 1422, POLARIS MINING AND MILLING COBENNETT, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153P.BLM DISTRICT SHEET 838USGS PP 43, P. 363USBM FILES; AMAX INC.WEED, W.H., 1916, THE MINES HANDBOOK, VOL. XII, PAGES 933-934, POLARIS MINING AND MILLING COMINING REPORTER V. LIII, NO. 16, (APRIL 19, 1906), REVIVAL OF GOLD MINING IN CLIFTON-MORENCI, AZ, DISTRICT