The particle-size control section averages between 35 and 45 percent clay. The maximum clay content in any subhorizon is 48 percent. The particle size-control section averages less than 5 percent sand. The Ap or A horizon has hue of 10YR, value of 4 or 5, and chroma of 1 or 2. Undisturbed pedons have a thin A horizon with value of 2 to 4, and chroma of 1 or 2.
Reaction ranges from very strongly acid to neutral, depending upon liming history.
The Eg or BE horizons has hue of 10YR, value of 5 or 6, and chroma of 1 or 2. It is silt loam or silt. Reaction ranges from very strongly acid to moderately acid when not limed. Pedons that have been limed range to neutral. The Btg or BCg horizon has hue of 10YR, 2.5Y or 5Y, value of 4 to 6, and chroma of 1 or 2.