Commodities
PrimaryCopper
Commodity typeM
Materials
Ore mineralsChalcocite, Chalcopyrite, Cuprite, Galena, Malachite, Tenorite
GangueCalcite, Limonite
Geology
Host rockDolomite · Jefferson City
StructureSte Genevieve Fault Zone; Farmington Anticline
AlterationSericite, Replacement Of Silica
Economic & production
Development statusPast Producer
First production1876
Discovery year1863
Identification
Deposit ID10010088
MRDS IDD003570
Alternate namesChicago
RegionNA
Data scoreC
Coordinates37.90228, -90.14871
References
HEYL, A.V., BROCK, M.R., JOLLY, J.L., AND WELLS C.E., 1965 , REGIONAL STRUCTURE OF THE SOUTHEAST MISSOURI AND ILLINOIS-KENTUCKY MINERAL DISTRICTS, U.S. GEOLOGICAL SURVEY BULL. 1202-B, P. B1-B20.BAIN, H.F., AND ULRICH, E.O., 1905 , THE COPPER DEPOSITS OF MISSOURI: U.S. GEOLOGICAL SURVEY BULL. 267 , PP. 36 - 39 .