泥裂(英语:mud crack)是因泥质沉积物干燥和收缩而形成的裂缝结构[1][2]

自然形成的泥裂在潮湿、泥泞的沉积物中形成。由于顶层干燥收缩而下层不变,因此会产生应变。当该应变增加时,会在干燥的表面形成裂缝以减轻应变。个别裂缝蔓延并连接起来,形成一个多边形的、相互连接的裂缝网络[3]

参考文献

编辑
  1. ^ Jackson, J.A., 1997, Glossary of Geology (4th ed.), American Geological Institute, Alexandria, VA, 769 p
  2. ^ a b Stow, D.A., 2005, Sedimentary Rocks in the Field, Academic Press, London, 320 p
  3. ^ Allen, J.R.L., 1982, Sedimentary Structures: Their Character and Physical Basis (v. 2): Elsevier, Oxford, 593 p