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Geologic units in Taylor county, Texas

Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers 30 % of this area

sand, silt, clay, and gravel. locally indurated with calcium carbonate (caliche); includes point bar, natural levee, stream channel, sand dune, terrace, alluvial fan, landslide bolson and playa deposits

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 21 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Clear Fork Group (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 18 % of this area

Clear Fork Group

Seymour Formation (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Middle [Irvingtonian]) at surface, covers 14 % of this area

Seymour Formation

Lithology: sand; gravel; clay or mud

San Angelo Formation (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 11 % of this area

San Angelo Formation

Edwards Limestone (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 2 % of this area

Edwards Limestone

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 1 % of this area

Terrace deposits

Blaine Formation (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 1 % of this area

Blaine Formation

Antlers Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 1 % of this area

Antlers Sand

Lueders Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 0.1 % of this area

Lueders Formation

Lithology: shale; limestone

Grape Creek Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers < 0.1 % of this area

Grape Creek Formation

Lithology: shale; limestone