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Geologic units in Anderson county, Texas

Queen City Sand (Eocene) at surface, covers 47 % of this area

Queen City Sand

Alluvium (Holocene) at surface, covers 12 % of this area

Alluvium

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

Sparta Sand

Reklaw Formation (Eocene) at surface, covers 9 % of this area

Reklaw Formation

Weches Formation (Eocene) at surface, covers 9 % of this area

Weches Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 8 % of this area

Terrace deposits

Wilcox Group, undivided (Paleocene to Eocene) at surface, covers 1 % of this area

Wilcox Group, undivided

Cook Mountain Formation (Eocene) at surface, covers 1 % of this area

Cook Mountain Formation

Carizzo Sand (Eocene) at surface, covers 0.8 % of this area

Carizzo Sand

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

Upper Cretaceous rocks, undivided

Kemp clay and Corsicana Marl, undivided (Late Cretaceous; Gulfian Series) at surface, covers < 0.1 % of this area

Kemp clay and Corsicana Marl, undivided