| State | Texas |
|---|---|
| Name | Home Creek Limestone and Colony Creek Shale, undivided |
| Geologic age | Pennsylvanian; Missouri Series |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
Minor
Sedimentary > Clastic > Sandstone (Bed)
|
| Comments | (from Abilene Sheet, 1972) Home Crk Ls--ls and shale. Upper ls bioclastic, nodular, irreg bedded, dk gray, locally abdt crinoid frags brachiopods, fusulinids; thickness 6-26 ft. Shale locally contains thin sandst. lentils and nodular ls. lentils ca. 1 ft thick, lt. gray, thickness 7-22 ft. Lower ls. bioclastic, unevenly bedded, med. and thick beds, gray, mod. fossilif. including brachiopods, fusulinids, crinoids, algae; thickness 7-40 ft. Thickness of Home Creek Ls 20-50 ft. Colony Creek Shale, shale and sandst. Shale, partly calcar, silty, lt brn siltst., iron-stained concretions, locally crinoid columnals, bryzoans, brachiopods, and gastropods. Sandst. channel fill, fine grained, massive, crossbedded, dk brn, locally 40-70 ft thick; thickness of Colony Crk Shale 35-110 ft. |
| Stratigraphic units | Canyon Group, Salem School Limestone, Kisinger Sandstone, Cundiff Limestone |
| References | Bureau of Economic Geology, 1972, Abilene sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.Bureau of Economic Geology, 1992, Geologic Map of Texas: University of Texas at Austin, Virgil E. Barnes, project supervisor, Hartmann, B.M. and Scranton, D.F., cartography, scale 1:500,000. |
| NGMDB product | |
| Counties | Brown - Coleman - Comanche - Eastland - Jack - McCulloch - Palo Pinto - Stephens - Wise - Young |