The Bt and Btk horizons have a hue of 10YR or 2.5Y with value of 3 to 6 and chroma of 1 or 2. Texture is clay, silty clay, or sandy clay. The average clay content of the upper 20 inches of the Bt horizon ranges from 40 to 50 percent. Some pedons have a few brownish, yellowish or grayish mottles in the lower part. The COLE ranges from 0.07 to 0.10.
Reaction ranges from slightly acid to moderately alkaline.
The BCk horizon has hue of either 10YR, 2.5Y, or 5Y, value of 5 to 7, and chroma of 1 or 2. Some pedons lack BCk horizons. Some pedons have a few brownish or grayish mottles. Texture is clay loam, loam, sandy clay loam, sandy clay, or clay. Concretions, threads, or soft masses of calcium carbonate range from few to common.