They formed in loamy marine sediments on nearly level to gently sloping uplands and interstream divides. Slopes range from 0 to 5 percent. Solum thickness ranges from 60 to 80 inches or more. Depth to the fragipan ranges from 20 to 34 inches.
Reaction is strongly acid or very strongly acid, except where limed.
The A1 or Ap horizon has hue of 10YR or 2.5Y, value of 3 to 6, and chroma of 2 or 3. The A2 horizon, where present, is 2 to 7 inches thick. It has hue of 10YR or 2.5Y, value of 4 to 7, and chroma of 2 to 4. Percent by volume of fine to medium nodules of ironstone ranges from 0 to 10 percent. Texture of the A horizon is sandy loam, fine sandy loam, or loam.