Commodities
PrimaryCopper
SecondaryGold, Silver, Lead
TertiaryManganese, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formLINEAR
Ore controlNe Trending Fault Zone
Materials
Ore mineralsChalcopyrite, Lead
GangueHematite, Quartz
Geology
Host rockQuartzite · Troy Quartzite
Associated rockDiabase · Granite Prophyry, Schultze Granite, Found In Small Amounts On Dump
StructureNe Trending Faults And Paleozoic Sediments, Later Diabase Intrusions, Diabase Outcrops Nw Of A Ne Trending Fault, Troy Quartzite Se Of Fault. Shaft Is In Troy Quartzite, Most Ore Is In Underlying Diabase
Economic & production
Development statusPast Producer
First production1908
Last production1947
Identification
Deposit ID10046315
MRDS IDM241221
Alternate namesGem and Boston, Cordova Mine
RegionNA
Data scoreB
Coordinates33.4248, -110.77875
References
USGS PP 342, P. 104ABGMT CLIPPINGS FILESABGMT-USBM FILE DATAADMR FILE DATAWEED,W.H.,THE MINES HANDBOOK, VOL. XIV, 1920, P. 212