Geologic units in Uvalde county, Texas

Additional scientific data in this geographic area

Leona Formation (Pleistocene) at surface, covers 24 % of this area

Leona Formation

Devils River Limestone (Early Cretaceous; Comanchean Series) at surface, covers 18 % of this area

Devils River Limestone

Glen Rose Limestone (Early Cretaceous) at surface, covers 9 % of this area

Glen Rose Limestone

Quaternary deposit, undivided (Quaternary) at surface, covers 7 % of this area

Quaternary deposit, undivided

Salmon Peak Limestone (Early Cretaceous) at surface, covers 6 % of this area

Salmon Peak Limestone

Anacacho Limestone (Late Cretaceous; Gulfian Series) at surface, covers 6 % of this area

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

McKnight Formation (Early Cretaceous) at surface, covers 5 % of this area

McKnight Formation

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

Austin Chalk

Uvalde Gravel (Pliocene to Pleistocene) at surface, covers 4 % of this area

Uvalde Gravel

Terrace deposits (Pleistocene and Holocene) at surface, covers 3 % of this area

Terrace deposits

Indio Formation (Paleocene to Eocene) at surface, covers 2 % of this area

Indio Formation

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

Buda Limestone and Del Rio Clay, undivided; 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.

West Nueces Formation (Early Cretaceous; Comanchean Series) at surface, covers 2 % of this area

West Nueces Formation

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

Alluvium

Escondido Formation (Late Cretaceous; Gulfian Series) at surface, covers 1 % of this area

Escondido Formation

Igneous rocks of Austin age (Late Cretaceous) at surface, covers 1 % of this area

Igneous rocks of Austin age

Eagle Ford Formation (Late Cretaceous) at surface, covers 1 % of this area

Eagle Ford Formation

Carizzo Sand (Eocene) at surface, covers 0.9 % of this area

Carizzo Sand

Buda Limestone (Early Cretaceous) at surface, covers 0.2 % 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.

Wilcox Group, undivided (Paleocene to Eocene) at surface, covers < 0.1 % of this area

Wilcox Group, undivided

Del Rio Clay (Late Cretaceous) at surface, covers < 0.1 % of this area

Del Rio Clay

Kincaid Formation (Paleocene) at surface, covers < 0.1 % of this area

Kincaid Formation

Yegua Formation (Middle Eocene) at surface, covers < 0.1 % of this area

Yegua Formation