砾屑灰岩

砾屑灰岩(英语:calcirudite)是一种石灰岩,主要成分为碳酸盐质的碎屑组成,其颗粒大于砂粒尺寸(2厘米)的含量超过50%。这些颗粒由珊瑚、贝壳、鲕粒、石灰岩白云石的碎片组合组成。等同砾岩结构但颗粒是碳酸盐。此一词最初由Grabau[1][2]于1903年提出,作为碎屑石碳酸盐分类系统的一部分[3][4]。砾屑灰岩可以在各种海洋和非海洋环境中堆积,包括沿海海滩、近海沙坝浅滩浊积岩[5]

参考文献

  1. ^ Grabau, A.W. (1903) Paleozoic coral reefs. Geological Society of America Bulletin. vol. 14, pp. 337-352.
  2. ^ Grabau, A.W. (1904) On the classification of sedimentary rocks. American Geologist. vol. 33, pp. 228-247.
  3. ^ Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. Jackson, J.A., eds. (2005) Glossary of Geology (5th ed.). Alexandria, Virginia, American Geological Institute. 779 pp. ISBN 0-922152-76-4
  4. ^ Scholle, P.A., D.G. Bebout, and C.H. Moore (1983) Carbonate Depositional Environments. Memoir no. 33. Tulsa, Oklahoma, American Association of Petroleum Geologists. 708 pp. ISBN 978-0-89181-310-1
  5. ^ Flügel, E. (2010) Microfacies of Carbonate Rocks, 2nd ed. Springer-Verlag Berlin, Germany. 976 pp. ISBN 978-3-540-22016-9