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

Geologic units in Leon county, Texas

Calvert Bluff Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene Eocene) at surface, covers 2 % of this area

Calvert Bluff Formation

Lithology: mudstone; sandstone; coal

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

high gravel deposits

Lithology: gravel; silt; sand

Carizzo Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 3 % of this area

Carizzo Sand

Lithology: sandstone

Cook Mountain Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 13 % of this area

Cook Mountain Formation

Lithology: clay or mud; sandstone; coal

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

alluvium

Lithology: sand; silt; clay or mud; gravel

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

Reklaw Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 4 % of this area

Reklaw Formation

Lithology: sandstone; clay or mud

Weches Formation (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 5 % of this area

Weches Formation

Lithology: sand; clay or mud

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 7 % of this area

Terrace deposits

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

Queen City Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 36 % of this area

Queen City Sand

Lithology: sandstone; siltstone; clay or mud; sand

Sparta Sand (Phanerozoic | Cenozoic | Tertiary | Eocene) at surface, covers 15 % of this area

Sparta Sand

Lithology: sand; clay or mud; silt; sandstone; coal

Kincaid Formation (Phanerozoic | Cenozoic | Tertiary | Paleocene) at surface, covers < 0.1 % of this area

Kincaid Formation

Lithology: sand; clay or mud; limestone

Yegua Formation (Phanerozoic | Cenozoic | Tertiary | Eocene-Middle) at surface, covers 0.5 % of this area

Yegua Formation

Lithology: clay or mud; sandstone; limestone; coal