Soil developed on marine clay soil; light brownish gray (10YR 6/2); many strong brown (7.5YR 5/6) mottles; clay to heavy clay; weak, medium and coarse angular blocky; sticky; 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.