Commodities
PrimaryCopper
SecondarySilver, Gold, Lead
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlE-W Trending Quartz Vein Between Contact Of Granite Porphyry And Diorite, Which Porphyry Intrudes; Other Veins On Property Associated With Strong Fault Shear Zone
Materials
Ore mineralsChalcopyrite, Pyrite
GangueLimonite
Geology
Host rockGranite
Associated rockDiorite
StructureDeposits In Region Are Mainly Lead-Silver Quartzitic Veins Which Strike E-W At About Right Angles To Axis Of Range, Deposits Mainly In Coarse Granite Porphyry Which Intrudes Quartz Monzonite; Monzonite Outcrops Nearby To Ne
Tectonic settingN-S Trending Piedmont Fault; Patagonia Range Uplifted On East
AlterationMinor Oxidation; Granite Porphyry Altered Near Vein
Economic & production
Development statusProducer
First production1906
Last production1915
Discovery year1899
Identification
Deposit ID10048327
MRDS IDM899905
Alternate namesErin, National Consolidated Mine
RegionNA
Data scoreB
Coordinates31.40931, -110.78235
References
USBM-ABGMT PRODUCTION DATA FILEUSBM FILE DATA-CLUSTER #22, NATIONAL MINESCHRADER, F.C., 1915, USGS BULL 582, P. 310-311KEITH, S.B., 1975, ABM BULL 191, P. 81ABGMT CLIPPINGS FILE NATIONAL MINEABGMT FILES STANTON B. KEITHSIMONS, FRANK S., 1974 GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)