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Geologic units in Parker county, Texas

Duck Creek Limestone (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 3 % of this area
Duck Creek Limestone
Lithology: limestone
Lazy Bend Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Des Moines]) at surface, covers 2 % of this area
Lazy Bend Formation
Lithology: shale; sandstone; limestone
Goodland Limestone and Walnut Clay, undivided (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 9 % of this area
Goodland Limestone and Walnut Clay, undivided
Lithology: limestone; clay or mud
undivided part Fredericksberg Group (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers < 0.1 % of this area
undivided part Fredericksberg Group
Lithology: clay or mud; limestone; mudstone; shale
alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 3 % of this area
alluvium
Lithology: sand; silt; clay or mud; gravel
Grindstone Creek Formation, expanded (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Des Moines]) at surface, covers 2 % of this area
Grindstone Creek Formation, expanded
Lithology: shale; sandstone; limestone
Mineral Wells Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 3 % of this area
Mineral Wells Formation
Lithology: sandstone; limestone; conglomerate; shale
Kiamichi Formation (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 5 % of this area
Kiamichi Formation
Lithology: clay or mud; limestone; sandstone
Quaternary deposit, undivided (Phanerozoic | Cenozoic | Quaternary) at surface, covers 0.8 % 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
Paluxy Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 38 % of this area
Paluxy Sand
Lithology: sand; sandstone; limestone
undivided part of Washita Group (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers < 0.1 % of this area
undivided part of Washita Group
Lithology: clay or mud; limestone; mudstone
Palo Pinto Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Missouri]) at surface, covers 0.1 % of this area
Palo Pinto Formation
Lithology: sandstone; shale; limestone
unnamed Pennsylvanian rocks (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian) at surface, covers 0.1 % of this area
unnamed Pennsylvanian rocks
Lithology: shale; limestone; sandstone
Twin Mountains Formation (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 14 % of this area
Twin Mountains Formation
Lithology: sandstone; claystone; conglomerate
Walnut Clay (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 8 % of this area
Walnut Clay
Lithology: clay or mud; limestone; shale
Mingus Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Des Moines]) at surface, covers 2 % of this area
Mingus Formation
Lithology: shale; sandstone; limestone; coal
Terrace deposits (Phanerozoic | Cenozoic | Quaternary | Pleistocene Holocene) at surface, covers 1 % of this area
Terrace deposits
Lithology: terrace; sand; gravel; silt; clay or mud
Glen Rose Limestone (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 7 % of this area
Glen Rose Limestone
Lithology: limestone; clay or mud; sandstone; conglomerate
Brazos River Formation (Phanerozoic | Paleozoic | Carboniferous Pennsylvanian [Des Moines]) at surface, covers 1 % of this area
Brazos River Formation
Lithology: sandstone; conglomerate

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Page Last modified: 10:03 on 08-May-2012