Geologic units in Franklin county, Texas

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 12 % of this area: alluvium
Lithology: sand; silt; clay or mud; gravel
Navarro Group, undivided (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 0.5 % of this area: Navarro Group, undivided
Lithology: clay or mud; sand; sandstone
Carizzo Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 10 % of this area: Carizzo Sand
Lithology: sandstone
Wilcox Group, undivided (Phanerozoic | Cenozoic | Tertiary | Paleocene Eocene) at surface, covers 36 % of this area: Wilcox Group, undivided
Lithology: fine-grained mixed clastic; coal; sand; clay or mud
Reklaw Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 4 % of this area: Reklaw Formation
Lithology: sandstone; clay or mud
Queen City Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 0.3 % of this area: Queen City Sand
Lithology: sandstone; siltstone; clay or mud; sand
Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 2 % of this area: Terrace deposits
Lithology: terrace; sand; gravel; silt; clay or mud
Midway Group, undivided (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 33 % of this area: Midway Group, undivided
Lithology: fine-grained mixed clastic; limestone; mudstone