Geologic units in Stone county, Arkansas

Additional scientific data in this geographic area

Cane Hill Member of Hale Formation (Early Pennsylvanian- Morrowan) at surface, covers 29 % of this area

Cane Hill Member of Hale Formation

Boone Formation (Early Mississippian- Meramecian to Osagean) at surface, covers 24 % of this area

Boone Formation

Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member) (Late Mississippian- Chesterian) at surface, covers 18 % of this area

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

Bloyd Shale, and Prairie Grove Member of the Hale Formation (Middle Pennsylvanian- Morrowan) at surface, covers 9 % of this area

Bloyd Shale, and Prairie Grove Member of the Hale Formation

St. Peter Sanstone and Everton Formation (Middle Ordovician) (Middle Ordovician) at surface, covers 8 % of this area

St. Peter Sanstone and Everton Formation (Middle Ordovician)

Cason Shale and Fernvale Limestone (Upper Ordovician) and Kimmswick Limestone, Plattin Limestone, and Joachim Dolomite (Middle Ordovician) (Late Ordovician to Middle Ordovician) at surface, covers 6 % of this area

Cason Shale and Fernvale Limestone (Upper Ordovician) and Kimmswick Limestone, Plattin Limestone, and Joachim Dolomite (Middle Ordovician)

Ruddell Shale (Late Mississippian- Chesterian) at surface, covers 4 % of this area

Ruddell Shale

Lafferty, St. Clair and Brassfield Limestones (Late Silurian to Early Silurian) at surface, covers 0.3 % of this area

Lafferty, St. Clair and Brassfield Limestones

Chattanooga Shale (Lower Mississippian and Upper Devonian), Clifty Limestone (Middle Devonian), and Penters Chert (Lower Devonian) (Early Mississippian to Early Devonian) at surface, covers 0.1 % 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 < 0.1 % of this area

Powell Dolomite

Moorefield Formation (Late Mississippian- Meramecian) at surface, covers < 0.1 % of this area

Moorefield Formation