Geologic units in White county, Illinois

Additional scientific data in this geographic area

Mattoon Formation (Pennsylvanian (Kasimovian)) at surface, covers 52 % of this area

Mattoon Formation.

Bond Formation (Pennsylvanian (Kasimovian)) at surface, covers 41 % of this area

Bond Formation

Shelburn-Patoka Formations undivided (Pennsylvanian (Kasimovian)) at surface, covers 6 % of this area

Shelburn-Patoka Formations undivided.

Bond Formation (Pennsylvanian) at surface, covers 0.3 % of this area

Mostly shale and sandstone; also includes thin beds of limestone and coal

Patoka and Shelburn Formations (Pennsylvanian) at surface, covers 0.3 % of this area

Mostly shale and sandstone; also includes thin beds of limestone and coal. WF, top of West Franklin member

Mattoon Formation (Pennsylvanian) at surface, covers < 0.1 % of this area

Mostly shale and sandstone; also includes thin beds of coal