Home Creek Limestone and Colony Creek Shale, undivided

Home Creek Limestone and Colony Creek Shale, undivided
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