|Name||Wills Point Formation|
Unconsolidated > Fine-detrital > Clay (Bed)
Sedimentary > Carbonate > Limestone (Bed)grades upward to mudstone and sand of Wilcox Group
|Comments||Mostly clay, sm., rough, white calcar. siltst. concretions common in upper part, in part silty and sandy, locally phosphatic near base, thin bed of rosette limestone in middle part, glauconitic near base, thin bedded to massive, various shades of gray, bluish gray, greenish gray, grayish green, brownish gray; weathers med. gray to yell-gray; thickness 500 ft +-|
Bureau of Economic Geology, 1966, Texarkana Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000.
Bureau of Economic Geology, 1972, Dallas 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.
|Counties||Delta - Falls - Freestone - Henderson - Hopkins - Hunt - Kaufman - Limestone - Navarro - Rains - Robertson - Van Zandt|