Reaction ranges from strongly acid to medium acid. Some pedons are mottled in shades of these colors. It is clay, clay loam, sandy clay, or sandy clay loam. The texture increases with depth and contains 35 to 50 percent clay in the lower part. About 5 to 15 percent of the horizon consists of pockets and vertical streaks of clean sand and silt.
Reaction is very strongly or strongly acid.
These are the Allen , Avilla , Bama , Etowah , Holston , Leesburg , Minvale , Nella , Norfolk , Octavia , Orangeburg , Pikeville , Ruston , and Warnock series. All of these soils have an epipedon less than 20 inches thick. Leesburg and Nella soils also contain 10 to 30 percent coarse fragments. Norfolk and Orangeburg soils also have less than 20 percent silt in the control section. Addielou soils are on mounds of nearly level to gently sloping areas.