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Geologic units in Bosque county, Texas

Walnut Clay (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 35 % of this area

Walnut Clay

undivided part Fredericksberg Group (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 22 % of this area

undivided part Fredericksberg Group

Pawpaw Formation and upper limestone unit of Weno Formation, undivided (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 17 % of this area

Pawpaw Formation and upper limestone unit of Weno Formation, undivided

Lithology: mudstone; limestone

lower part of Washita Group (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 10 % of this area

lower part of Washita Group

Lithology: limestone; mudstone

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 7 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 5 % of this area

Terrace deposits

Grayson Marl and Main Street Limestone, undivided (Phanerozoic | Mesozoic | Cretaceous-Early Cretaceous-Late) at surface, covers 1 % of this area

Grayson Marl and Main Street Limestone, undivided

Lithology: mudstone; limestone

Paluxy Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.7 % of this area

Paluxy Sand

Lithology: sand; sandstone; limestone

undivided part of Washita Group (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 0.6 % of this area

undivided part of Washita Group

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

Glen Rose Limestone