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Geologic units in Hutchinson county, Texas

Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers 3 % 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
Lithology: sand ; silt ; clay or mud; gravel; carbonate
Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 0.9 % of this area
Terrace deposits
Lithology: terrace; sand; gravel; silt; clay or mud
sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 1 % of this area
sand sheet deposits
Lithology: sand; silt
playa deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 0.3 % of this area
playa deposits
Lithology: clay or mud; silt
dune sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 3 % of this area
dune sand sheet deposits
Lithology: sand; silt
alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 3 % of this area
alluvium
Lithology: sand; silt; clay or mud; gravel
Quartermaster Formation and Whitehorse Group, undivided (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 8 % of this area
Quartermaster Formation and Whitehorse Group, undivided
Lithology: mixed clastic/carbonate; evaporite
Ogallala Formation (Phanerozoic | Cenozoic | Tertiary | Pliocene Miocene) at surface, covers 29 % of this area
Ogallala Formation
Lithology: sand; silt; clay or mud; gravel; carbonate

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