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Geologic units in Fayette county, Texas

Fleming Formation (Phanerozoic | Cenozoic | Tertiary | Miocene) at surface, covers 20 % of this area

Fleming Formation

Lithology: clay or mud; sandstone

Oakville Sandstone (Phanerozoic | Cenozoic | Tertiary | Miocene) at surface, covers 19 % of this area

Oakville Sandstone

Lithology: sandstone; clay or mud

Yegua Formation (Phanerozoic | Cenozoic | Tertiary | Eocene-Middle) at surface, covers 10 % of this area

Yegua Formation

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 10 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 7 % of this area

Terrace deposits

Cadell Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 6 % of this area

Cadell Formation

Manning Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 6 % of this area

Manning Formation

Catahoula Formation (Phanerozoic | Cenozoic | Tertiary | Oligocene) at surface, covers 5 % of this area

Catahoula Formation

Whitsett Formation (Phanerozoic | Cenozoic | Tertiary | Eocene Oligocene) at surface, covers 4 % of this area

Whitsett Formation

high gravel deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 4 % of this area

high gravel deposits

Lithology: gravel; silt; sand

Willis Formation (Phanerozoic | Cenozoic | Tertiary | Pliocene) at surface, covers 3 % of this area

Willis Formation

Lithology: clay or mud; silt; sand; gravel

Cook Mountain Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 3 % of this area

Cook Mountain Formation

Lithology: clay or mud; sandstone; coal

Wellborn Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 2 % of this area

Wellborn Formation

Sparta Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 0.3 % of this area

Sparta Sand

Weches Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers < 0.1 % of this area

Weches Formation

Lithology: sand; clay or mud