The series control section averages less than 7 percent sand and contains no rock fragments. Clay content in the series control section decreases regularly from the maximum within the argillic horizon. Depth to carbonates is greater than 80 inches. The Ap horizon has hue of 10YR, value of 4 or 5, and chroma of 2 to 4. It is silt loam or silt and averages 8 to 18 percent clay.
Reaction is strongly acid to slightly acid in unlimed areas and ranges to neutral in limed areas.
Some pedons have an E horizon. The Bt horizon has hue of 10YR, value of 4 to 6, and chroma of 3 to 6, with iron depletions having chroma of 2 or less in the upper 10 inches of the argillic horizon. It is silty clay loam or silt loam and averages 18 to 32 percent clay. Reaction is very strongly acid to moderately acid. Some pedons have a BC horizon.