Geologic units in Crane county, Texas

Sand sheet deposits (Holocene) at surface, covers 27 % of this area

Sand sheet deposits

Sand deposits, undivided (Holocene) at surface, covers 25 % of this area

Sand deposits, undivided

Dune sand sheet deposits (Holocene) at surface, covers 15 % of this area

Dune sand sheet deposits

Quaternary deposit, undivided (Quaternary) at surface, covers 14 % of this area

Quaternary deposit, undivided

Caliche deposits (Pleistocene and Holocene) at surface, covers 8 % of this area

Caliche deposits

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

Terrace deposits

Fredericksburg Group (Early Cretaceous; Comanchean Series) at surface, covers 2 % of this area

Fredericksburg Group

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

Alluvium

Maxon Sandstone and Glen Rose Limestone, undivided (Early Cretaceous) at surface, covers 1 % of this area

Maxon Sandstone and Glen Rose Limestone, undivided

Tahoka Formation (Pleistocene; Wisconsinan) at surface, covers 1 % of this area

Tahoka Formation

Dockum Group, undivided (Late Triassic) at surface, covers 1 % of this area

Dockum Group

Gypsite deposits (Pleistocene and Holocene) at surface, covers 1 % of this area

Gypsite deposits

Pond deposits (Pleistocene) at surface, covers 0.2 % of this area

Pond deposits

Gatuna Formation (Middle (?) Pleistocene) at surface, covers 0.1 % of this area

Gatuna Formation

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

Playa deposits

Blackwater Draw Formation (Pleistocene) at surface, covers < 0.1 % of this area

Blackwater Draw Formation