Soil developed on marine clay soil; dark grayish brown (10YR 4/2); many fine brownish yellow (10YR 6/6) and red (2.5YR 4/8) mottles; clay; moderate to weak, medium subangular blocky; friable; moderately deep; poorly drained to imperfectly drained; occurs on flat terrain; cation exchange capacity 15-20 cmol(+) per kg soil; low base saturation; no diagnostic horizon.