Arizona · Pima County
Past Producer

Narragansett Mine

Pima County, Arizona, United States
CopperSilverLeadZincGold
⌖ Show on mapUSGS source ↗
Description

J. K. Brown

Commodities
PrimaryCopper
SecondarySilver
TertiaryLead, Zinc, Gold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR LENTICULAR ZONES
Ore controlFracture Zones
Materials
Ore mineralsChalcopyrite, Malachite, Pyrite
Geology
Host rockLimestone · Concha Limestone Cherty Limestone;Scherrer Formation Quartzitic Ss
Associated rockQuartz Latite · Quartz Latite Paleocene 56m.Y. +-2m.Y. Quartz Latite Porph. Stock
StructureHomoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N., Thrust And Normal Faults And Fracture Zones.
Tectonic settingBasin And Range
AlterationIntense Silicification. Px-Cp-Gossan; Skarn
Economic & production
Development statusPast Producer
First production1907
Last production1961
Discovery year1877
Identification
Deposit ID10039412
MRDS IDM050046
RegionNA
Data scoreB
Coordinates31.84596, -110.75985
References
SCHRADER, F. C. 1915, US.G.S. BULL. 582CREASEY, S.C., 1955 U.S.G.S. BULL. 1027FARIZONA BUREAU OF MINES, 1971, FIELDNOTES, V. 1 NO. 2DREWES, H., 1971, U.S.G.S. MAP I-613 (SAHUARITA QUAD)1909 RECON F. C. SCHRADER AND J.M. HILL U.S.G.S. BULL. 5821943 GEOLMAP S. C. CREASEY AND G.L. QUICK U.S.G.S. BULL. 1027F1970 DIREXPL ANACONDA - POSSIBLE NEW PORPH. COPPER.(8)KEITH,S.B.,1974;(9,10)ELSING,1936,ABM BULLETIN 14E F4 (5)KEITH,S.B.,1974,ABM BULLETIN 189,P.125.