Mudcracks (also known as mud cracks, desiccation cracks or cracked mud) are sedimentary structures formed as muddy sediment dries and contracts.[1][2] Crack formation also occurs in clay-bearing soils as a result of a reduction in water content.
^Jackson, J.A., 1997, Glossary of Geology (4th ed.), American Geological Institute, Alexandria, VA, 769 p.
^Stow, D.A., 2005, Sedimentary Rocks in the Field, Academic Press, London, 320 p.