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Geologic units in Runnels county, Texas

Lingos Formation (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Middle(?) Pleistocene-Late(?) Holocene) at surface, covers 3 % of this area
Lingos Formation
Lithology: sand; gravel; clay or mud; silt
Grape Creek Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 3 % of this area
Grape Creek Formation
Lithology: shale; limestone
alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 6 % of this area
alluvium
Lithology: sand; silt; clay or mud; gravel
Clear Fork Group (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 33 % of this area
Clear Fork Group
Lithology: mudstone; sandstone; dolostone (dolomite); siltstone; evaporite
Lueders Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 8 % of this area
Lueders Formation
Lithology: shale; limestone
Talpa Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 6 % of this area
Talpa Formation
Lithology: shale; limestone
Antlers Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 2 % of this area
Antlers Sand
Lithology: sand; clay or mud; conglomerate; sandstone; claystone
high gravel deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene) at surface, covers 0.2 % of this area
high gravel deposits
Lithology: gravel; silt; sand
Bead Mountain Formation (Phanerozoic | Paleozoic | Permian [Leonard]) at surface, covers 0.8 % of this area
Bead Mountain Formation
Lithology: shale; limestone
Seymour Formation (Phanerozoic | Cenozoic | Quaternary | Pleistocene-Middle [Irvingtonian]) at surface, covers 7 % of this area
Seymour Formation
Lithology: sand; gravel; clay or mud
Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 4 % of this area
Terrace deposits
Lithology: terrace; sand; gravel; silt; clay or mud
Edwards Limestone (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.7 % of this area
Edwards Limestone
Lithology: limestone; dolostone (dolomite); chert
Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers 25 % 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
San Angelo Formation (Phanerozoic | Paleozoic | Permian [Guadalupe]) at surface, covers 1 % of this area
San Angelo Formation
Lithology: mudstone; siltstone; evaporite
playa deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers < 0.1 % of this area
playa deposits
Lithology: clay or mud; silt
sand sheet deposits (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 0.3 % of this area
sand sheet deposits
Lithology: sand; silt

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