Indiana · Allen County
Occurrence

Sphalerite and Fluorite Occurrence Z79

Allen County, Indiana, United States
ZincFluorine-FluoriteSulfur
⌖ Show on mapUSGS source ↗
Commodities
PrimaryZinc, Fluorine-Fluorite
TertiarySulfur
Commodity typeB
Deposit
Deposit sizeN
Ore controlPorosity Of Sedimentary Units.
Materials
Ore mineralsFluorite, Sphalerite
GangueCalcite, Dolomite, Gypsum
Geology
Host rockLimestone,Dolomite · Muscatatuck Group, Unconformably Overlies Silurian.;Wabash-Low Porosity, Non-Reef Facies
StructureCincinnati Arch Is South Of This Locale Trending Nw/Se, Cincinnati Arch Was Stable High Between Subsiding Basins (Illinois And Michigan Basins)
Tectonic settingDolomite And Gypsum Are Of Sabka Origin
AlterationDolomitization, Dissolution Of Solubile Minerals
Economic & production
Development statusOccurrence
Identification
Deposit ID10080656
MRDS IDW031991
RegionNA
Data scoreC
Coordinates41.04169, -85.21383
References
SHAFFER, NELSON R., 1981, POSSIBILITY OF MISSISSIPPI VALLEY-TYPE MI NERAL DEPOSITS IN INDIANA, INDIANA GEOLOGICAL SURVEY SPECIAL REPORT 21 , 49P