Winchell Limestone

Winchell Limestone
State Texas
Name Winchell Limestone
Geologic age Pennsylvanian; Missouri Series
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Incidental
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
Comments ls and shale. Mostly ls, gray to white, fine grained to coarsely bioclastic, thin bedded, irreg. beds and nodular, contains abdt phylloid algae, crinois frags, bryozoans, and brachiopods; locally interbedded calcar. shale sev. inches thick; forms dip slope and escarpment in so. Jack Co. Thickness of unit 20-40 ft
Stratigraphic units Canyon Group
References

Bureau of Economic Geology, 1987, Wichita Falls-Lawton Sheet, Geologic Atlas of Texas: University of Texas at Austin, Bureau of Economic Geology, 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