Commodities
PrimaryLead, Zinc
Commodity typeM
Deposit
Model224: Mississippi Valley, S.E. Missouri Pb-Zn
Deposit sizeY
WorkingsUnderground
Materials
Ore mineralsGalena, Sphalerite
GangueCalcite, Dolomite, Pyrite, Quartz
Geology
Host rockDolomite · Stewartville Massive Member
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 statusUnknown
First production1905
Last production1915
Identification
Deposit ID10086387
MRDS IDW800307
RegionNA
Data scoreB
Coordinates42.44807, -90.239
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 P