USGS - science for a changing world

Mineral Resources On-Line Spatial Data

Mineral Resources > Online Spatial Data > Geology > by state > Texas Geology

Geologic units in Callahan county, Texas

Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers 0.6 % of this area
sand, silt, clay, and gravel. locally indurated with calcium carbonate (caliche); includes point bar, natural levee, stream channel, sand dune, terrace, alluvial fan, landslide bolson and playa deposits
Lithology: sand ; silt ; clay or mud; gravel; carbonate
Sedwick Formation (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 4 % of this area
Sedwick Formation
Lithology: mudstone; sandstone; limestone
Coleman Junction Formation (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 4 % of this area
Coleman Junction Formation
Lithology: mudstone; limestone; sandstone
Pueblo Formation (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers < 0.1 % of this area
Pueblo Formation
Lithology: mudstone; sandstone
playa deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers < 0.1 % of this area
playa deposits
Lithology: clay or mud; silt
Santa Anna Branch Shale (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 7 % of this area
Santa Anna Branch Shale
Lithology: mudstone; shale; sandstone; limestone
Admiral Formation (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 9 % of this area
Admiral Formation
Lithology: mudstone; limestone; sandstone
Bead Mountain Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 8 % of this area
Bead Mountain Formation
Lithology: shale; limestone
Edwards Limestone (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 2 % of this area
Edwards Limestone
Lithology: limestone; dolostone (dolomite); chert
Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers < 0.1 % of this area
Terrace deposits
Lithology: terrace; sand; gravel; silt; clay or mud
Talpa Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 2 % of this area
Talpa Formation
Lithology: shale; limestone
Lueders Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 7 % of this area
Lueders Formation
Lithology: shale; limestone
Comanche Peak Limestone and Walnut Clay, undivided (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.4 % of this area
Comanche Peak Limestone and Walnut Clay, undivided
Lithology: limestone; mixed clastic/carbonate
Moran Formation (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 4 % of this area
Moran Formation
Lithology: mudstone; sandstone; limestone
Antlers Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 29 % of this area
Antlers Sand
Lithology: sand; clay or mud; conglomerate; sandstone; claystone
Jagger Bend and Valera Formations, undivided (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 10 % of this area
Jagger Bend and Valera Formations, undivided
Lithology: shale; mudstone; limestone
Elm Creek Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 6 % of this area
Elm Creek Formation
Lithology: shale; mudstone; limestone
Grape Creek Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 6 % of this area
Grape Creek Formation
Lithology: shale; limestone
alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 3 % of this area
alluvium
Lithology: sand; silt; clay or mud; gravel

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://tin.er.usgs.gov/geology/state/fips-unit.php?code=f48059
Page Contact Information: pschweitzer@usgs.gov
Page Last modified: 11:25 on 07-Jan-2014