Indiana · Cass County
Occurrence

Sphalerite Occurrence Z76

Cass County, Indiana, United States
ZincSulfur
⌖ Show on mapUSGS source ↗
Commodities
PrimaryZinc
TertiarySulfur
Commodity typeB
Deposit
Deposit sizeN
Ore controlPorosity Of Sedimentary Rocks.
Materials
Ore mineralsSphalerite
GangueCalcite, Dolomite
Geology
Host rockLimestone · Wabash, Reefs, Make Up A Significant Part Of This Formation Large Barri Er-Like Banks Occur Around The Basins. Smaller Reefs Dot The State. Re Ef Rocks Are Porous Dolomite. Reefs Are Associated With Mississippi-Va Lley Type Deposits Elsewhere (Shaffer, 1981)
StructureCincinnati Arch-Trends Nw-Se In North-Central Indiana
Tectonic settingAtop Cincinnati Arch, A Stable Paleozoic Platform Between Subsidin G Michigan And Illinois Basins.
AlterationDolomitization
Economic & production
Development statusOccurrence
Identification
Deposit ID10080655
MRDS IDW031990
RegionNA
Data scoreC
Coordinates40.76113, -86.39998
References
SHAFFER, NELSON R., 1981, POSSIBILITY OF MISSISSIPPI VALLEY-TYPE MI NERAL DEPOSITS IN INDIANA, INDIANA GEOLOGICAL SURVEY SPECIAL REPORT 21 , 49P