It is silty clay loam or silty clay, and averages 35 to 55 percent clay and 2 to 10 percent sand. It ranges from very strongly acid to slightly alkaline. It is commonly silty clay, but the range includes silt loam and silty clay loam. It averages 24 to 50 percent clay and 2 to 10 percent sand. It is moderately alkaline.
Calcium carbonates are present as nodules, masses, or coats on ped faces.
These are the Aaron , Alsup , Brookside , Derinda , Ebal , Losantville , Miamian , Purdin , Useful , Vincent and Winnegan series. Aaron and Useful soils have a lithic contact within the series control section. Alsup and Derinda soils have a paralithic contact within the series control section. Brookside, Ebal, Purdin and Winnegan soils have rock fragments in the argillic horizon. Losantville and Miamian soils have the depth to the base of the argillic horizon at less than 40 inches.