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Geologic units in Galveston county, Texas

Beaumont Formation, areas predominantly sand (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Late) at surface, covers 48 % of this area

Beaumont Formation, areas predominantly sand

Lithology: sand; silt; clay or mud; gravel

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 17 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Beaumont Formation, areas predominantly clay (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Late) at surface, covers 14 % of this area

Beaumont Formation, areas predominantly clay

Lithology: clay or mud; silt

barrier ridge and barrier flat deposts (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 11 % of this area

barrier ridge and barrier flat deposts

Lithology: sand; silt; clay or mud

fill and spoil (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 7 % of this area

fill and spoil

Lithology: sand; silt; clay or mud