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  5. Texas geologic units

Geologic units in Brooks county, Texas

Sand sheet deposits (Holocene) at surface, covers 60 % of this area

Sand sheet deposits

Dune sand sheet deposits (Holocene) at surface, covers 29 % of this area

Dune sand sheet deposits

Goliad Formation (Miocene) at surface, covers 7 % of this area

Goliad Formation

Silt sheet (Holocene) at surface, covers 3 % of this area

Silt sheet

Clay dune (Holocene) at surface, covers 0.9 % of this area

Clay dune

Sand dune deposits (Holocene) at surface, covers 0.4 % of this area

Sand dune deposits

Alluvium (Holocene) at surface, covers 0.2 % of this area

Alluvium