U.S. Gypsum Company Shoals Mine (Shoals), Southwest Indiana Gypsum Deposit, Martin Co., Indiana, USA
|Latitude & Longitude (WGS84):||38° 40' 30'' North , 86° 45' 15'' West|
|Latitude & Longitude (decimal):||38.67500,-86.75417|
Commodities (Major) - Gypsum-Anhydrite
Deposit Type: Sedimentary
Development Status: Producer
Host Rock Unit: Santee Limestone
Structure: Cincinnati Arch
Host Rock: Evaporite, Carbonate
Tectonic Structure: Illinois Basin - shallow marine environment southwest of the Cincinnati Arch.
6 valid minerals.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
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
298.9 - 323.2 Ma
|Raccoon Creek Group|
Age: Pennsylvanian (298.9 - 323.2 Ma)
Stratigraphic Name: Raccoon Creek Group
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.