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Sphalerite Occurrence Z76, Cass Co., Indiana, USA

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Latitude & Longitude (WGS84): 40° 45' 40'' North , 86° 24' 0'' West
Latitude & Longitude (decimal): 40.76111,-86.40000
GeoHash:G#: dp4xcum6w
Köppen climate type:Dfa : Hot-summer humid continental climate


Commodities (Major) - Zinc; (Trace) - Sulfur
Development Status: Occurrence
Host Rock Unit: Sanders Group
Structure: Cincinnati Arch-Trends Nw-Se In North-Central Indiana
Host Rock: Limestone
Tectonic Structure: Atop Cincinnati Arch, A Stable Paleozoic Platform Between Subsiding Michigan And Illinois Basins.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


3 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Dolomite
Formula: CaMg(CO3)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Limestone'
Reference: From USGS MRDS database
Sphalerite
Formula: ZnS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Zinc'
Formula: Zn
Reference: From USGS MRDS database

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Sphalerite'2.CB.05aZnS
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
'Dolomite'5.AB.10CaMg(CO3)2
Unclassified Minerals, Rocks, etc.
'Limestone'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Unclassified Minerals, Rocks, etc.
'Limestone'-

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O CalciteCaCO3
O DolomiteCaMg(CO3)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
SSulfur
S SphaleriteZnS
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
ZnZinc
Zn SphaleriteZnS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleozoic
251.902 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Silurian
419.2 - 443.8 Ma



ID: 2719685
Wabash Formation

Age: Silurian (419.2 - 443.8 Ma)

Stratigraphic Name: Wabash Formation

Description: Limestone, dolomite, and argillaceous dolomite

Comments: Original map source: Indiana Geological Survey, 1995 (latest update 2011), Bedrock Geology of Indiana, BEDROCK_GEOL_MM48_IN, scale 1:500,000.

Lithology: Major:{limestone,dolostone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Shaffer, Nelson R. (1981) Possibility of Mississippi Valley-Type mineral deposits in Indiana: Indiana Geological Survey: Report 21, 49 p.


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