Planar voids that traverse the soil material in some fairly regular pattern, such as parallel or subparallel sets. Skew Planes . Planar voids that traverse the soil material in an irregular manner, having no specific basic distribution or orientation pattern between individuals. Usually formed by soil desiccation. Craze Planes .
Walls appear morphologically to be due to unaltered, random packing of plasma and skeleton grains.
Walls appear to be significantly smoother than would result from random packing of plasma and sketeton grains. Last Updated on December 16, 1997.