Description
Eagle-Picher Co.
Commodities
PrimaryZinc
TertiaryLead
Commodity typeM
Deposit
Model224: Mississippi Valley, S.E. Missouri Pb-Zn
Deposit sizeY
WorkingsUnderground
Materials
Ore mineralsSphalerite
GangueCalcite, Dolomite, Pyrite, Quartz
Geology
Host rockLimestone,Dolomite · Quimbys Mill Member, Platteville Formation;Stewartville Member, Galena Dolomite
Associated rockShale,Limestone · Spechts Ferry
StructureSoutheast Of Wisconsin Dome And On The Gentle West Limb Of Wisconsin Arch. To The South Is Illinois Basin And To The West And Southwest Is Forest City Basin. A Few Minles South O Fthe Zinc-Lead District Is Westward-Trending Savanna-Sabula Anticline. Regional Strike Is N 85 W And The Dip Is South.
Tectonic settingStable Sedimentary Platform Having Later Mild Regional Deformation Sufficient To Produce Major And Minor Folds, Faults, Fracture Zones, And Joints.
AlterationLeaching, Silicification, Dolomitization
Economic & production
Development statusPast Producer
Production years194701953; REOPENED IN 1955, AND IN OPERATION IN JUN 1957.
First production1947
Discovery year1946
Identification
Deposit ID10086277
MRDS IDW800154
RegionNA
Data scoreB
Coordinates42.47918, -90.43067
References
HEYL, A.V., AGNEW, A.F., LYONS, E.J., AND BEHRE, C.H., JR., 1959, THE GEOLOGY OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 309, 310 PHEYL AND OTHERS, 1959.