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Mineral Resources > Online Spatial Data > Geology > by state > Indiana Geology

Geologic units in Newton county, Indiana

Upper Devonian (Devonian) at surface, covers < 0.1 % of this area

Upper Devonian

Lithology: shale; black shale; limestone; sandstone

Louisville Limestone through Brassfield Limestone (Silurian) at surface, covers 0.4 % of this area

Louisville Limestone through Brassfield Limestone - Sexton Creek Limestone at base in Kentland area and on cross-section

Lithology: limestone

Wabash Formation (Silurian) at surface, covers 31 % of this area

Wabash Formation - Limestone, dolomite, and argillaceous dolomite

Lithology: limestone; dolostone (dolomite)

Ordovician rocks, undifferentiated (Silurian) at surface, covers < 0.1 % of this area

Ordovician rocks, undifferentiated - Shale and limestone; upper part of Maquoketa Group in deep buried valleys; Maquoketa to upper part of Knox Supergroup in Kentland area

Lithology: shale ; limestone; dolostone (dolomite)

Borden Group (Mississippian) at surface, covers 5 % of this area

Borden Group - Mostly siltstone; lenses of crinodial limestone in upper part. Much cherty and silty limestone and dolomite in northwest. NP, top of New Providence Shale

Lithology: siltstone; limestone; dolostone (dolomite); chert

Kinderhookian Series (Mississippian) at surface, covers < 0.1 % of this area

Kinderhookian Series

Lithology: limestone; shale; siltstone

Raccoon Creek Group (Pennsylvanian) at surface, covers 1 % of this area

Raccoon Creek Group - Mostly shale and sandstone; also includes thin beds of limestone, clay, and coal. B, Buffaloville Coal Member; LB, Lower Block Coal Member

Lithology: shale; sandstone; limestone; clay or mud; coal

Silurian (Silurian) at surface, covers < 0.1 % of this area

Silurian

Lithology: dolostone (dolomite); limestone; coral

New Albany Shale (Devonian-Mississippian) at surface, covers 28 % of this area

New Albany Shale - Black and greenish-gray shale

Lithology: black shale; shale

Middle Valmeyeran (Salem, Warsaw, Borden, Springville; includes thin Mvl and Mk in south and east) Series (Mississippian) at surface, covers < 0.1 % of this area

Middle Valmeyeran (Salem, Warsaw, Borden, Springville; includes thin Mvl and Mk in south and east) Series

Lithology: limestone; siltstone; shale

Muscatatuck Group (Devonian) at surface, covers 34 % of this area

Muscatatuck Group - Limestone and dolomite

Lithology: limestone; dolostone (dolomite)

Middle Devonian (Devonian) at surface, covers < 0.1 % of this area

Middle Devonian

Lithology: limestone; shale; dolostone (dolomite); sandstone; evaporite; sedimentary breccia;