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Mineral Resources > Online Spatial Data > Geology > by state > Texas Geology

Geologic units in Potter county, Texas

Tecovas Formation (Phanerozoic | Mesozoic | Triassic-Late) at surface, covers 27 % of this area
Tecovas Formation
Lithology: fine-grained mixed clastic; sandstone
Trujillo Formation (Phanerozoic | Mesozoic | Triassic-Late) at surface, covers 0.9 % of this area
Trujillo Formation
Lithology: fine-grained mixed clastic; sandstone
Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers 0.5 % 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 0.5 % of this area
Terrace deposits
Lithology: terrace; sand; gravel; silt; clay or mud
sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 0.3 % of this area
sand sheet deposits
Lithology: sand; silt
playa deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 0.4 % of this area
playa deposits
Lithology: clay or mud; silt
dune sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 0.8 % of this area
dune sand sheet deposits
Lithology: sand; silt
Blackwater Draw Formation (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 15 % of this area
Blackwater Draw Formation
Lithology: sand; silt; clay or mud
alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 1 % of this area
alluvium
Lithology: sand; silt; clay or mud; gravel
Quartermaster Formation and Whitehorse Group, undivided (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 12 % of this area
Quartermaster Formation and Whitehorse Group, undivided
Lithology: mixed clastic/carbonate; evaporite
Ogallala Formation (Phanerozoic | Cenozoic | Tertiary | Pliocene Miocene) at surface, covers 4 % of this area
Ogallala Formation
Lithology: sand; silt; clay or mud; gravel; carbonate

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