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

Geologic units in Hood county, Texas

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 5 % of this area

Terrace deposits

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

Walnut Clay (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 6 % of this area

Walnut Clay

Lithology: clay or mud; limestone; shale

Twin Mountains Formation (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 10 % of this area

Twin Mountains Formation

Lithology: sandstone; claystone; conglomerate

unnamed Pennsylvanian rocks (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian) at surface, covers 0.2 % of this area

unnamed Pennsylvanian rocks

Lithology: shale; limestone; sandstone

undivided part of Washita Group (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 0.2 % of this area

undivided part of Washita Group

Lithology: clay or mud; limestone; mudstone

Glen Rose Limestone (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 40 % of this area

Glen Rose Limestone

Lithology: limestone; clay or mud; sandstone; conglomerate

Kiamichi Formation (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers < 0.1 % of this area

Kiamichi Formation

Lithology: clay or mud; limestone; sandstone

Paluxy Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 23 % of this area

Paluxy Sand

Lithology: sand; sandstone; limestone

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

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

alluvium

Lithology: sand; silt; clay or mud; gravel

undivided part Fredericksberg Group (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 4 % of this area

undivided part Fredericksberg Group

Lithology: clay or mud; limestone; mudstone; shale

Lazy Bend Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Des Moines]) at surface, covers 2 % of this area

Lazy Bend Formation

Lithology: shale; sandstone; limestone

Duck Creek Limestone (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 1 % of this area

Duck Creek Limestone

Lithology: limestone