Hickory soils have rock fragments that are dominantly of igneous lithology. Kalamazoo soils have more sand in the lower part of the series control section. Kanawha soils have 15 to 30 percent clay in the substratum. Letort soils have rock fragments of dominantly quartzite, limestone, and phyllite lithology. Martinsville and Riddles soils have rock fragments that are not dominantly shale.
Nodine soils have rock fragments that are dominantly chert and sandstone.
Ockley soils are silt loam or silty clay loam in the upper part of the argillic horizon. Relay soils have hue of 2.5Y or yellower in the Bt horizon. Renova and Richardville soils have less rock fragments in the upper part of the argillic horizon. Skelton soils are more acid than slightly acid in the lower part of the argillic horizon. Gallman soils are on treads and risers on outwash plains and outwash terraces, and on summits and backslopes on kames and moraines.