Ellsworth Shale

Green shale; some black shale in lower part
State Indiana
Name Ellsworth Shale
Geologic age Devonian-Mississippian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > ShaleEllsworth Shale - green shale; some black shale in lower part
Minor
Sedimentary > Clastic > Mudstone > Shale > Black-shaleEllsworth Shale - green shale; some black shale in lower part
Comments The description of the unit comes from the paper map (Ref IN001).
References

Gray, Henry H., Ault, Curtis, H., and Keller, Stanley, J., 1987, Bedrock geologic map of Indiana: Dept. of Natural Resources, Indiana Geological Survey, Miscellaneous Map 48, scale 1:500,000.

USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/

https://ngmdb.usgs.gov/Geolex/search

NGMDB product
Counties DeKalb - Elkhart - Jasper - Kosciusko - LaGrange - Lake - LaPorte - Marshall - Noble - Porter - Saint Joseph - Starke - Steuben