砾屑灰岩

砾屑灰岩(英語:calcirudite)是一種石灰岩,主要成分為碳酸鹽質的碎屑組成,其顆粒大於砂粒尺寸(2厘米)的含量超過 50%。這些顆粒由珊瑚、貝殼、鮞粒、石灰岩白雲石的碎片組合組成。等同砾岩結構但顆粒是碳酸鹽。此一詞最初由Grabau[1][2] 於1903 年提出,作為碎屑石碳酸鹽分類系統的一部分[3][4]。砾屑灰岩可以在各種海洋和非海洋環境中堆積, 包括沿海海灘、近海沙壩淺灘濁積岩[5]

參考文獻

  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