Reaction ranges from slightly acid to moderately alkaline. The 2C horizon, if encountered, is horizontally bedded clay, shale and weakly consolidated sandstone or dominantly one of these materials. The color is in shades mainly of gray, olive, yellow, or brown. Hard pitted concretions or nodules of calcium carbonate range from none to few. Gypsum crystals or clusters of crystals range from none to about 5 percent.
Reaction is slightly acid to moderately alkaline.
These are the Bleiblerville , Branyon , Burleson , Clarita , Fairlie , Heiden , Houston Black , Leson , Luling , Ovan , Sanger , Slidell and Watonga series. Bleiblerville and Houston Black soils are calcareous to the surface. Branyon and Slidell soils are calcareous at depths of less than 12 inches in more than half of the pedon. Burleson and Branyon soils do not have the amplitude of waviness and are on terraces. Clarita soils have hue 7.5YR or redder in the lower part of the pedon.