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

Geologic units in Limestone county, Texas

Pecan Gap Chalk (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 3 % of this area

Pecan Gap Chalk

Lithology: limestone; sand; clay or mud; limestone

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

Terrace deposits

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

Hooper Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 15 % of this area

Hooper Formation

Lithology: mudstone; sandstone

Neylandville and Marlbrook Marls, undivided (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 10 % of this area

Neylandville and Marlbrook Marls, undivided

Lithology: clay or mud

Wolfe City Formation (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 5 % of this area

Wolfe City Formation

Lithology: sand; silt; mudstone

Kincaid Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 8 % of this area

Kincaid Formation

Lithology: sand; clay or mud; limestone

Kemp clay and Corsicana Marl, undivided (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 0.1 % of this area

Kemp clay and Corsicana Marl, undivided

Lithology: clay or mud; sandstone

Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers < 0.1 % 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

Kemp clay (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 8 % of this area

Kemp clay

Lithology: clay or mud; sandstone

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 6 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Wills Point Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 16 % of this area

Wills Point Formation

Lithology: clay or mud; limestone

Simsboro Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 9 % of this area

Simsboro Formation

Lithology: sand; mudstone

Nacatoch Sand (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 5 % of this area

Nacatoch Sand

Lithology: clay or mud; sand; sandstone

high gravel deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 0.3 % of this area

high gravel deposits

Lithology: gravel; silt; sand

Calvert Bluff Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene Eocene) at surface, covers 12 % of this area

Calvert Bluff Formation

Lithology: mudstone; sandstone; coal