Geologic units in Carroll county, Arkansas

Geologic units in Carroll county, Arkansas

Additional scientific data in this geographic area

Boone Formation (Early Mississippian- Meramecian to Osagean) at surface, covers 37 % of this area

Boone Formation

Cotter and Jefferson City Dolomites (Early Ordovician) at surface, covers 30 % of this area

Cotter and Jefferson City Dolomites

Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member) (Late Mississippian- Chesterian) at surface, covers 12 % of this area

Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member)

Chattanooga Shale (Lower Mississippian and Upper Devonian), Clifty Limestone (Middle Devonian), and Penters Chert (Lower Devonian) (Early Mississippian to Early Devonian) at surface, covers 8 % of this area

Chattanooga Shale (Lower Mississippian and Upper Devonian), Clifty Limestone (Middle Devonian), and Penters Chert (Lower Devonian)

Powell Dolomite (Early Ordovician) at surface, covers 5 % of this area

Powell Dolomite

Bloyd Shale, and Prairie Grove Member of the Hale Formation (Middle Pennsylvanian- Morrowan) at surface, covers 3 % of this area

Bloyd Shale, and Prairie Grove Member of the Hale Formation

Cane Hill Member of Hale Formation (Early Pennsylvanian- Morrowan) at surface, covers 3 % of this area

Cane Hill Member of Hale Formation

St. Peter Sanstone and Everton Formation (Middle Ordovician) (Middle Ordovician) at surface, covers 2 % of this area

St. Peter Sanstone and Everton Formation (Middle Ordovician)