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

Geologic units in Motley county, Texas

Dockum Group, undivided (Phanerozoic | Mesozoic | Triassic-Late) at surface, covers 6 % of this area

Dockum Group

Lithology: fine-grained mixed clastic; limestone; conglomerate

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 3 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

dune sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 0.1 % of this area

dune sand sheet deposits

Lithology: sand; silt

Lingos Formation (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Middle(?) Pleistocene-Late(?) Holocene) at surface, covers 16 % of this area

Lingos Formation

Lithology: sand; gravel; clay or mud; silt

Blackwater Draw Formation (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 0.9 % of this area

Blackwater Draw Formation

Lithology: sand; silt; clay or mud

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers < 0.1 % of this area

Terrace deposits

Lithology: terrace; sand; gravel; silt; clay or mud

Whitehorse Group, undivided (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 25 % of this area

Whitehorse Group, undivided

Lithology: sandstone; shale; evaporite

Quartermaster Formation (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 25 % of this area

Quartermaster Formation

Lithology: shale; sandstone; evaporite; dolostone (dolomite)

Ogallala Formation (Phanerozoic | Cenozoic | Tertiary | Pliocene Miocene) at surface, covers 10 % of this area

Ogallala Formation

Lithology: sand; silt; clay or mud; gravel; carbonate

sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 13 % of this area

sand sheet deposits

Lithology: sand; silt

playa deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers < 0.1 % of this area

playa deposits

Lithology: clay or mud; silt

Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers 2 % 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

sand dune deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers < 0.1 % of this area

sand dune deposits

Lithology: sand; silt