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Geologic units in Rains county, Texas

Wilcox Group, undivided (Phanerozoic | Cenozoic | Tertiary | Paleocene Eocene) at surface, covers 62 % of this area

Wilcox Group, undivided

Wills Point Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 23 % of this area

Wills Point Formation

Lithology: clay or mud; limestone

Kincaid Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 4 % of this area

Kincaid Formation

Lithology: sand; clay or mud; limestone

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 4 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 0.5 % of this area

Terrace deposits

Kemp clay (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers < 0.1 % of this area

Kemp clay

Lithology: clay or mud; sandstone