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

Geologic units in Hancock county, Indiana

Pleasant Mills Formation (Silurian) at surface, covers 0.4 % of this area
Pleasant Mills Formation - Dolomite, limestone, and argillaceous dolomite
Lithology: dolostone (dolomite); limestone
Muscatatuck Group (Devonian) at surface, covers 87 % of this area
Muscatatuck Group - Limestone and dolomite
Lithology: limestone; dolostone (dolomite)
Wabash Formation (Silurian) at surface, covers 12 % of this area
Wabash Formation - Limestone, dolomite, and argillaceous dolomite
Lithology: limestone; dolostone (dolomite)

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