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Geologic units in Chambers county, Texas

Beaumont Formation, areas predominantly sand (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Late) at surface, covers 33 % of this area

Beaumont Formation, areas predominantly sand

Lithology: sand; silt; clay or mud; gravel

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 30 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Beaumont Formation, areas predominantly clay (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Late) at surface, covers 16 % of this area

Beaumont Formation, areas predominantly clay

Lithology: clay or mud; silt

barrier island deposits (Phanerozoic | Cenozoic | Quaternary) at surface, covers 11 % of this area

barrier island deposits

Lithology: sand; silt

Deweyville Formation with higher level? (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene (?)) at surface, covers 2 % of this area

Deweyville Formation with higher level?

Lithology: clay or mud; silt

barrier ridge and barrier flat deposts (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 0.2 % 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 < 0.1 % of this area

fill and spoil

Lithology: sand; silt; clay or mud