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Geologic units in Denton county, Texas

Woodbine Formation (Late Cretaceous; Gulfian Series) at surface, covers 25 % of this area

Woodbine Formation

Fort Worth Limestone and Duck Creek Formation, undivided (Early Cretaceous) at surface, covers 24 % of this area

Fort Worth Limestone and Duck Creek Formation, undivided

Eagle Ford Formation (Late Cretaceous) at surface, covers 13 % of this area

Eagle Ford Formation

Pawpaw Formation, Weno Limestone, and Denton Clay, undivided (Early Cretaceous) at surface, covers 11 % of this area

Pawpaw Formation, Weno Limestone, and Denton Clay, undivided

Alluvium (Holocene) at surface, covers 9 % of this area

Alluvium

Terrace deposits (Pleistocene and Holocene) at surface, covers 9 % of this area

Terrace deposits

Grayson Marl and Main Street Limestone, undivided (Early Late Cretaceous and Late Early Cretaceous) at surface, covers 6 % of this area

Grayson Marl and Main Street Limestone, undivided

Kiamichi Formation (Early Cretaceous; Comanchean Series) at surface, covers 1 % of this area

Kiamichi Formation

Goodland Limestone and Walnut Clay, undivided (Early Cretaceous; Comanchean Series) at surface, covers 1 % of this area

Goodland Limestone and Walnut Clay, undivided

Quaternary deposit, undivided (Quaternary) at surface, covers 0.8 % of this area

Quaternary deposit, undivided

Austin Chalk (Late Cretaceous; Gulfian Series) at surface, covers 0.6 % of this area

Austin Chalk

Antlers Sand (Early Cretaceous) at surface, covers 0.2 % of this area

Antlers Sand