USGS Home
Contact USGS
Search USGS

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

Geologic units in Young county, Texas

Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers 2 % 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

Harpersville Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Virgil]) at surface, covers 1 % of this area

Harpersville Formation

Lithology: mudstone; sandstone; siltstone; limestone

Pueblo Formation (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 2 % of this area

Pueblo Formation

Lithology: mudstone; sandstone

sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 0.9 % of this area

sand sheet deposits

Lithology: sand; silt

Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 4 % of this area

Terrace deposits

Lithology: terrace; sand; gravel; silt; clay or mud

Home Creek Limestone and Colony Creek Shale, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 1 % of this area

Home Creek Limestone and Colony Creek Shale, undivided

Lithology: shale; limestone; sandstone

Thrifty and Graham Formations, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian-Late [Virgil]) at surface, covers 27 % of this area

Thrifty and Graham Formations, undivided

Lithology: shale; sandstone; limestone; mudstone; conglomerate

Santa Anna Branch Shale (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers < 0.1 % of this area

Santa Anna Branch Shale

Lithology: mudstone; shale; sandstone; limestone

high gravel deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 0.1 % of this area

high gravel deposits

Lithology: gravel; silt; sand

Admiral and Coleman Junction Formations, undivided (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 0.2 % of this area

Admiral and Coleman Junction Formations, undivided

Lithology: mudstone; shale; sandstone; limestone

Sedwick and Moran Formations, undivided (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 1 % of this area

Sedwick and Moran Formations, undivided

Lithology: mudstone; sandstone; limestone

Archer City Formation (Phanerozoic | Paleozoic | Permian [Wolfcamp]) at surface, covers 11 % of this area

Archer City Formation

Lithology: mudstone; sandstone; siltstone; conglomerate

dune sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 0.2 % of this area

dune sand sheet deposits

Lithology: sand; silt

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 5 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Markley Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian Permian) at surface, covers 44 % of this area

Markley Formation

Lithology: sandstone; mudstone; conglomerate; coal; limestone

Ranger Limestone and Placid Creek Shale, undivided (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 0.3 % of this area

Ranger Limestone and Placid Creek Shale, undivided

Lithology: shale; limestone