Geologic units in Rains county, Texas

Wilcox Group, undivided (Paleocene to Eocene) at surface, covers 61 % of this area

Wilcox Group, undivided

Wills Point Formation (Paleocene) at surface, covers 23 % 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

Terrace deposits (Pleistocene and Holocene) at surface, covers 0.5 % of this area

Terrace deposits

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

Kemp clay