Geologic units in King county, Texas

Blaine Formation (Permian; Guadalupe Series) at surface, covers 63 % of this area

Blaine Formation

Whitehorse Group, undivided (Permian; Guadalupe Series) at surface, covers 31 % of this area

Whitehorse Group, undivided

San Angelo Formation (Permian; Guadalupe Series) at surface, covers 2 % of this area

San Angelo Formation

Sand sheet deposits (Holocene) at surface, covers 2 % of this area

Sand sheet deposits

Quaternary deposit, undivided (Quaternary) at surface, covers 1.0 % of this area

Quaternary deposit, undivided

Clear Fork Group (Permian; Leonard Series) at surface, covers 0.3 % of this area

Clear Fork Group

Lingos Formation (Middle (?) Pleistocene to Recent) at surface, covers 0.2 % of this area

Lingos Formation

Alluvium (Holocene) at surface, covers < 0.1 % of this area

Alluvium

Quartermaster Formation (Permian; Guadalupe Series) at surface, covers < 0.1 % of this area

Quartermaster Formation; North and central Texas including panhandle.

Terrace deposits (Pleistocene and Holocene) at surface, covers < 0.1 % of this area

Terrace deposits