The BC horizon has hue of 7.5YR to 5Y value of 3 to 5, and chroma of 2 to 4. It is sandy loam, or fine sandy loam in the fine-earth fraction. The mottles are not considered redoximorphic features. Some pedons have a C horizon with hue of 10YR to 5Y, value of 3 to 5, and chroma of 2 to 4. It is sandy loam or fine sandy loam in the fine-earth fraction.
Bedrock is slightly weathered schist, gneiss, phyllite, granite, or anorthisite.
These are the Houghtonville and Tunbridge series. Houghtonville soils are very deep. Tunbridge soils have a spodic horizon less than 16 inches thick or a Bhs or Bh horizon less than 4 inches thick. The Bangor , Battydoe , Beckett, Berkshire , Chatham , Chesuncook , Dekapen , Dixfield , Elliottsville , Glebe , Groveton , Hogback , Howland , Marlow , Mundal , Michigamme , Onota , Penquis , Plaisted , Potsdam , Revel , and Welcome soils are in closely related families. Battydoe, Chatham, Dekapen, Michigamme, Onota, Revel, and Welcome soils are from outside of Region R. Bangor, Battydoe, Beckett, Berkshire, Chatham, Chesuncook, Dekapen, Dixfield, Groveton, Howland, Marlow, Mundal, Plaisted and Potsdam soils have bedrock greater than 40 inches below the soil surface.