Geologic units in Hopkins county, Texas

Wilcox Group, undivided (Paleocene to Eocene) at surface, covers 33 % of this area

Wilcox Group, undivided

Midway Group, undivided (Paleocene) at surface, covers 26 % of this area

Midway Group, undivided

Wills Point Formation (Paleocene) at surface, covers 20 % of this area

Wills Point Formation

Alluvium (Holocene) at surface, covers 11 % of this area

Alluvium

Kincaid Formation (Paleocene) at surface, covers 4 % of this area

Kincaid Formation

Navarro Group, undivided (Late Cretaceous; Gulfian Series) at surface, covers 3 % of this area

Navarro Group, undivided

Carizzo Sand (Eocene) at surface, covers 1 % of this area

Carizzo Sand

Reklaw Formation (Eocene) at surface, covers 0.8 % of this area

Reklaw Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 0.6 % of this area

Terrace deposits

Quaternary deposit, undivided (Quaternary) at surface, covers 0.4 % of this area

Quaternary deposit, undivided

Queen City Sand (Eocene) at surface, covers < 0.1 % of this area

Queen City Sand