Geologic units in Cameron county, Texas

Additional scientific data in this geographic area

Alluvium in Rio Grande, subdivided into areas predominantly of sand (Quaternary; Holocene) at surface, covers 35 % of this area

Alluvium in Rio Grande, subdivided into areas predominantly of sand

Alluvium in Rio Grande, subdivided into areas predominantly of clay (Quaternary; Holocene) at surface, covers 29 % of this area

Alluvium in Rio Grande, subdivided into areas predominantly of clay

Beaumont Formation, areas predominantly sand (Quaternary; Late Pleistocene) at surface, covers 12 % of this area

Beaumont Formation, areas predominantly sand

Dune sand sheet deposits (Holocene) at surface, covers 5 % of this area

Dune sand sheet deposits

Beaumont Formation, areas predominantly clay (Quaternary; Late Pleistocene) at surface, covers 4 % of this area

Beaumont Formation, areas predominantly clay

In Rio Grande delta area, clay veneer over meanderbelt sand (Quaternary) at surface, covers 4 % of this area

In Rio Grande delta area, clay veneer over meanderbelt sand

Barrier ridge and barrier flat deposts (Quaternary; Holocene) at surface, covers 4 % of this area

Barrier ridge and barrier flat deposts

Alluvium (Holocene) at surface, covers 4 % of this area

Alluvium

Clay dune (Holocene) at surface, covers 2 % of this area

Clay dune

Fill and spoil (Holocene) at surface, covers 0.7 % of this area

Fill and spoil