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Geologic units in Jefferson county, Texas

Beaumont Formation, areas predominantly clay (Quaternary; Late Pleistocene) at surface, covers 43 % of this area

Beaumont Formation, areas predominantly clay

Alluvium (Holocene) at surface, covers 25 % of this area

Alluvium

Beaumont Formation, areas predominantly sand (Quaternary; Late Pleistocene) at surface, covers 25 % of this area

Beaumont Formation, areas predominantly sand

Barrier island deposits (Quaternary) at surface, covers 3 % of this area

Barrier island deposits

Fill and spoil (Holocene) at surface, covers 2 % of this area

Fill and spoil

Barrier ridge and barrier flat deposts (Quaternary; Holocene) at surface, covers 2 % of this area

Barrier ridge and barrier flat deposts

Deweyville Formation (Quaternary; Pleistocene and Holocene?) at surface, covers 0.3 % of this area

Deweyville Formation