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Geologic units in Rains county, Texas

Kincaid Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 4 % of this area
Kincaid Formation
Lithology: sand; clay or mud; limestone
Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 0.4 % of this area
Terrace deposits
Lithology: terrace; sand; gravel; silt; clay or mud
Wills Point Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 21 % of this area
Wills Point Formation
Lithology: clay or mud; limestone
alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 10 % of this area
alluvium
Lithology: sand; silt; clay or mud; gravel
Kemp clay (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers < 0.1 % of this area
Kemp clay
Lithology: clay or mud; sandstone
Wilcox Group, undivided (Phanerozoic | Cenozoic | Tertiary | Paleocene Eocene) at surface, covers 56 % of this area
Wilcox Group, undivided
Lithology: fine-grained mixed clastic; coal; sand; clay or mud

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