Aura, Bedington, Bucks, and Chilmark soils have Bt horizons with hue redder than 7.5YR in the lower part. Birdsboro soils have Bt horizons with hue redder than 7.5YR in the upper part. Chester, Edneytown, and Thurmont soils have rock fragments of quartz, granite or gneiss. Clymer, Edgemont, and Tate soils have Bt horizons with less than 40 percent silt. Collington and Freehold soils contain glauconite, Chetwynd and Elsinboro soils have rounded rock fragments.
Frankstown soils have rock fragments of siliceous limestone.
Matapeake and Meadowville soils have rock fragments of quartz pebbles and contain mica. Murrill soils have sola more than 60 inches thick. Whiteford soils have rock fragments of slate. Rayne soils are on ridge tops and hillsides with slope gradients of 0 to 60 percent, but commonly 3 to 15 percent. The soils have formed in a regolith weathered from interbedded shale, siltstone and some fine grained sandstone.