Geologic units in Palo Pinto county, Texas

Palo Pinto Formation (Pennsylvanian; Missouri Series) at surface, covers 19 % of this area

Palo Pinto Formation

Mineral Wells Formation (Pennsylvanian; Missouri Series) at surface, covers 18 % of this area

Mineral Wells Formation

Brazos River Formation (Pennsylvanian; Des Moines Series) at surface, covers 11 % of this area

Brazos River Formation

Winchell Limestone (Pennsylvanian; Missouri Series) at surface, covers 10 % of this area

Winchell Limestone

Wolf Mountain Shale (Pennsylvanian; Missouri Series) at surface, covers 9 % of this area

Wolf Mountain Shale

Ranger Limestone and Placid Creek Shale, undivided (Pennsylvanian; Missouri Series) at surface, covers 7 % of this area

Ranger Limestone and Placid Creek Shale, undivided

Grindstone Creek Formation, expanded (Pennsylvanian; Des Moines Series) at surface, covers 7 % of this area

Grindstone Creek Formation, expanded

Mingus Formation (Pennsylvanian; Des Moines Series) at surface, covers 6 % of this area

Mingus Formation

Alluvium (Holocene) at surface, covers 4 % of this area

Alluvium

Home Creek Limestone and Colony Creek Shale, undivided (Pennsylvanian; Missouri Series) at surface, covers 3 % of this area

Home Creek Limestone and Colony Creek Shale, undivided

Twin Mountains Formation (Early Cretaceous) at surface, covers 1 % of this area

Twin Mountains Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 1 % of this area

Terrace deposits

Quaternary deposit, undivided (Quaternary) at surface, covers 1 % of this area

Quaternary deposit, undivided

Thrifty and Graham Formations, undivided (Late Pennsylvanian; Virgil Series) at surface, covers 1 % of this area

Thrifty and Graham Formations, undivided

Lazy Bend Formation (Pennsylvanian; Des Moines Series) at surface, covers 0.6 % of this area

Lazy Bend Formation

Glen Rose Limestone (Early Cretaceous) at surface, covers < 0.1 % of this area

Glen Rose Limestone