Geologic units in Kinney county, Texas

Uvalde Gravel (Pliocene to Pleistocene) at surface, covers 27 % of this area

Uvalde Gravel

Salmon Peak Limestone (Early Cretaceous) at surface, covers 20 % of this area

Salmon Peak Limestone

Austin Chalk (Late Cretaceous; Gulfian Series) at surface, covers 12 % of this area

Austin Chalk

Eagle Ford Formation (Late Cretaceous) at surface, covers 8 % of this area

Eagle Ford Formation

Devils River Limestone (Early Cretaceous; Comanchean Series) at surface, covers 5 % of this area

Devils River Limestone

Buda Limestone (Early Cretaceous) at surface, covers 5 % of this area

Buda Limestone; Eastern part of Trans-Pecos and High Plains and Western part of Trans-Pecos and North, central, and south Texas including Quaternary for all of west Texas.

McKnight Formation (Early Cretaceous) at surface, covers 4 % of this area

McKnight Formation

Anacacho Limestone (Late Cretaceous; Gulfian Series) at surface, covers 4 % of this area

Anacacho Limestone; North, central, and south Texas including Quaternary for all of west Texas.

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

Alluvium

Leona Formation (Pleistocene) at surface, covers 3 % of this area

Leona Formation

Quaternary deposit, undivided (Quaternary) at surface, covers 3 % of this area

Quaternary deposit, undivided

Del Rio Clay (Late Cretaceous) at surface, covers 2 % of this area

Del Rio Clay

West Nueces Formation (Early Cretaceous; Comanchean Series) at surface, covers 1 % of this area

West Nueces Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 0.8 % of this area

Terrace deposits

Alluvial fan deposits (Pleistocene and Holocene) at surface, covers 0.8 % of this area

Alluvial fan deposits

Glen Rose Limestone (Early Cretaceous) at surface, covers 0.7 % of this area

Glen Rose Limestone

Upson Clay (Late Cretaceous; Gulfian Series) at surface, covers 0.5 % of this area

Upson Clay

San Miguel Formation (Late Cretaceous; Gulfian Series) at surface, covers 0.2 % of this area

San Miguel Formation

Land slide deposits (Pleistocene and Holocene) at surface, covers 0.2 % of this area

Land slide deposits

Escondido Formation (Late Cretaceous; Gulfian Series) at surface, covers < 0.1 % of this area

Escondido Formation

Igneous rocks of Austin age (Late Cretaceous) at surface, covers < 0.1 % of this area

Igneous rocks of Austin age