Geologic units in Jim Wells county, Texas

Lissie Formation (Quaternary; Middle Pleistocene) at surface, covers 44 % of this area

Lissie Formation

Silt sheet (Holocene) at surface, covers 20 % of this area

Silt sheet

Goliad Formation (Miocene) at surface, covers 13 % of this area

Goliad Formation

Beaumont Formation, areas predominantly clay (Quaternary; Late Pleistocene) at surface, covers 8 % of this area

Beaumont Formation, areas predominantly clay

Beaumont Formation, areas predominantly sand (Quaternary; Late Pleistocene) at surface, covers 5 % of this area

Beaumont Formation, areas predominantly sand

Alluvium (Holocene) at surface, covers 5 % of this area

Alluvium

Sand sheet deposits (Holocene) at surface, covers 4 % of this area

Sand sheet deposits

Deweyville Formation (Quaternary; Pleistocene and Holocene?) at surface, covers 0.5 % of this area

Deweyville Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 0.5 % of this area

Terrace deposits

Fleming Formation and Oakville Sandstone, undivided (Miocene) at surface, covers 0.2 % of this area

Fleming Formation and Oakville Sandstone, undivided