undivided part Fredericksberg Group (TXKfu;0)

State	Texas
Name	undivided part Fredericksberg Group
Geologic age	Phanerozoic \| Mesozoic \| Cretaceous-Early
Original map label	Kfu
Comments	calcareous clay, argillaceous limestone, marl, and shale about 100 ft in Waco Sheet (1970)
Primary rock type	clay or mud
Secondary rock type	limestone
Other rock types	mudstone; shale
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Claystone (Bed) Minor Sedimentary > Clastic > Mudstone > Shale (Bed) Sedimentary > Carbonate > Limestone (Bed) Unconsolidated > Marl (Bed)
Map references	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
Unit references	Bureau of Economic Geology, 1970, Waco Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000.
Geographic coverage	Bosque - Brown - Comanche - Coryell - Erath - Hamilton - Hill - Hood - Johnson - Lampasas - McLennan - Mills - Parker - Somervell