Geologic units in Wilson county, Texas

Queen City Sand (Eocene) at surface, covers 26 % of this area

Queen City Sand

Yegua Formation (Middle Eocene) at surface, covers 13 % of this area

Yegua Formation

Carizzo Sand (Eocene) at surface, covers 11 % of this area

Carizzo Sand

Cook Mountain Formation (Eocene) at surface, covers 10 % of this area

Cook Mountain Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 10 % of this area

Terrace deposits

Reklaw Formation (Eocene) at surface, covers 7 % of this area

Reklaw Formation

Leona Formation (Pleistocene) at surface, covers 5 % of this area

Leona Formation

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

Weches Formation

Sparta Sand (Eocene) at surface, covers 4 % of this area

Sparta Sand

Wilcox Group, undivided (Paleocene to Eocene) at surface, covers 3 % of this area

Wilcox Group, undivided

Manning Formation (Eocene) at surface, covers 3 % of this area

Manning Formation

Alluvium (Holocene) at surface, covers 2 % of this area

Alluvium

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

Wellborn Formation

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

Cadell Formation

Whitsett Formation (Oligocene and Eocene) at surface, covers < 0.1 % of this area

Whitsett Formation