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

Geologic units in Freestone county, Texas

Calvert Bluff Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene Eocene) at surface, covers 38 % of this area

Calvert Bluff Formation

Lithology: mudstone; sandstone; coal

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 14 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Wills Point Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 4 % of this area

Wills Point Formation

Lithology: clay or mud; limestone

Wilcox Group, undivided (Phanerozoic | Cenozoic | Tertiary | Paleocene Eocene) at surface, covers 0.1 % of this area

Wilcox Group, undivided

Lithology: fine-grained mixed clastic; coal; sand; clay or mud

Carizzo Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 8 % of this area

Carizzo Sand

Lithology: sandstone

Simsboro Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers 7 % of this area

Simsboro Formation

Lithology: sand; mudstone

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

Reklaw Formation

Lithology: sandstone; clay or mud

upper Cretaceous rocks, undivided (Phanerozoic | Mesozoic | Cretaceous-Late) at surface, covers < 0.1 % of this area

upper Cretaceous rocks, undivided

Lithology: limestone; shale; mudstone; sandstone; clay or mud; sand; fine-grained mixed clastic; medium-grained mixed clastic; coarse-grained mixed clastic; mixed clastic/carbonate

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

Hooper Formation

Lithology: mudstone; sandstone

Queen City Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 6 % of this area

Queen City Sand

Lithology: sandstone; siltstone; clay or mud; sand

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 2 % of this area

Terrace deposits

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

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