Geologic units in Leon county, Texas

Queen City Sand (Eocene) at surface, covers 36 % of this area

Queen City Sand

Sparta Sand (Eocene) at surface, covers 15 % of this area

Sparta Sand

Alluvium (Holocene) at surface, covers 14 % of this area

Alluvium

Cook Mountain Formation (Eocene) at surface, covers 13 % of this area

Cook Mountain Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 7 % of this area

Terrace deposits

Weches Formation (Eocene) at surface, covers 5 % of this area

Weches Formation

Reklaw Formation (Eocene) at surface, covers 4 % of this area

Reklaw Formation

Carizzo Sand (Eocene) at surface, covers 3 % of this area

Carizzo Sand

Calvert Bluff Formation (Paleocene to Eocene) at surface, covers 2 % of this area

Calvert Bluff Formation

Yegua Formation (Middle Eocene) at surface, covers 0.5 % of this area

Yegua Formation

High gravel deposits (Pleistocene) at surface, covers < 0.1 % of this area

High gravel deposits

Kincaid Formation (Paleocene) at surface, covers < 0.1 % of this area

Kincaid Formation

Upper Cretaceous rocks, undivided (Late Cretaceous) at surface, covers < 0.1 % of this area

Upper Cretaceous rocks, undivided