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

Geologic units in Grayson county, Texas

Goodland Limestone and Walnut Clay, undivided (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 0.4 % of this area

Goodland Limestone and Walnut Clay, undivided

Lithology: limestone; clay or mud

Caddo Formation (Phanerozoic | Mesozoic | Cretaceous-Early ) at surface, covers < 0.1 % of this area

ARDMORE-SHERMAN-Limestones, marls, and shales; 150 feet thick. Subdivided into "Fort Worth Limestone" at top and "Duck Creek Limestone" below. McALESTER TEXARKANA- Limestones, white to cream, silty, alternating with gray shales, with "Texigryphaea washitaensis;" 7-foot bed at top (Fort Worth equivalent) and blue-gray silty shales and limestones below with "Texigryphaea navia" (Duck Creek equivalent); thickness, 150 feet. Ouachita Mountain uplift; S. OK folded belt province

Lithology: limestone; shale

Antlers Sand (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 0.3 % of this area

Antlers Sand

Lithology: sand; clay or mud; conglomerate; sandstone; claystone

Alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers < 0.1 % of this area

WOODWARD- Lenticular and interfingering deposits of gravel, sand, silt, and clay. Generally light-tan to gray. Thickness along major streams ranges up to 100 feet and probably averages 40 feet; along minor streams the thickness ranges up to 45 feet and probably averages 20 feet. ENID- Sand, silt, clay, and locally gravel. Maximum thickness ranges from 30 to 80 feet (9 to 24 m) along major streams and from 0 to 60 feet (0 to 18 m) along minor streams. TULSA- Gravel, sand, silt, and clay. TULSA- Gravel, sand, silt, and clay. OKLAHOMA CITY- Sand, silt, clay, and lenticular beds of gravel. Thickness ranges from about 30 to 100 feet and probably averages about 50 feet along major streams. Along minor streams, thickness ranges from a few feet to about 50 feet and probably averages about 25 feet. LAWTON- Sand, clay, and gravel as much as 50 feet (15 m) thick; Shown only along major streams and tributaries . ARDMORE-SHERMAN- Gravel, sand, silt, and clay, including low terraces; thickness, about 25 to 100 feet. McALESTER TEXARKANA- Gravel, sand, silt, and clay, including low terraces about 30 feet above channels; thickness, about 50 feet along Little River and 110 feet along Red River

Lithology: alluvium

Grayson Marl and Main Street Limestone, undivided (Phanerozoic | Mesozoic | Cretaceous-Early Cretaceous-Late) at surface, covers 1 % of this area

Grayson Marl and Main Street Limestone, undivided

Lithology: mudstone; limestone

alluvium (Phanerozoic | Cenozoic | Quaternary | Holocene) at surface, covers 3 % of this area

alluvium

Lithology: sand; silt; clay or mud; gravel

Fort Worth Limestone and Duck Creek Formation, undivided (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 3 % of this area

Fort Worth Limestone and Duck Creek Formation, undivided

Lithology: limestone; mudstone; clay or mud

Kiamichi Formation (Phanerozoic | Mesozoic | Cretaceous-Early [Comanchean]) at surface, covers 0.4 % of this area

Kiamichi Formation

Lithology: clay or mud; limestone; sandstone

Woodbine Formation (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 24 % of this area

Woodbine Formation

Lithology: shale; sand; clay or mud; limestone; coal; tuff

Austin Chalk (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 24 % of this area

Austin Chalk

Lithology: limestone; mudstone; clay or mud; bentonite; mudstone

Bonham Formation (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 2 % of this area

Bonham Formation

Lithology: mudstone; 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

Eagle Ford Formation (Phanerozoic | Mesozoic | Cretaceous-Late) at surface, covers 26 % of this area

Eagle Ford Formation

Lithology: shale; siltstone; limestone

Pawpaw Formation, Weno Limestone, and Denton Clay, undivided (Phanerozoic | Mesozoic | Cretaceous-Early) at surface, covers 3 % of this area

Pawpaw Formation, Weno Limestone, and Denton Clay, undivided

Lithology: mudstone; limestone; clay or mud

Antlers Sand or Antlers Sandstone (Phanerozoic | Mesozoic | Cretaceous-Early ) at surface, covers < 0.1 % of this area

ARDMORE-SHERMAN- "Antlers Sand" Sand, white to yellow, medium-grained, weakly indurated, with varicolored clays. Contains arkosic conglomerates near Arbuckle Mountains and "Baum Limestone" near Mannsville anticline. Thickness, 200 to 700 feet. McALESTER TEXARKANA- "Antlers Sandstone" Sandstone and sand, white to reddish-yellow to orange-brown to gray, fine- to coarse-grained, quartzose, crossbedded, moderately to weakly indurated, interbedded with varicolored clays and conglomerates; contains fossil wood and dinosaurs; rests unconformably upon Ouachita rocks but conformably upon DeQueen Limestone; thickness, 0 to 320 feet, thickening southeastward to 900 feet in subsurface.

Lithology: sandstone; mudstone; conglomerate; limestone

Ector Chalk (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 1.0 % of this area

Ector Chalk

Lithology: limestone

Gober Chalk and Roxton Limestone (Phanerozoic | Mesozoic | Cretaceous-Late [Gulfian]) at surface, covers 4 % of this area

Gober Chalk and Roxton Limestone

Lithology: limestone; limestone