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雜砂岩

雜砂岩（英語：greywacke）（德語：grauwacke）是一種碎屑沉積物，其特徵通常是硬度高、顏色深、由石英、長石和岩石碎片組成的沉積岩，屬於顆粒挑選度低，圓度差的結構不成熟的沉積岩，通常在古生代地層中發現[1]。雜砂岩是一種濁積流造成的海相沉積岩。通常在大陸架邊緣。[2]

顯微鏡下的雜砂岩

參考文獻

[编辑]
  1. ^ Stanley, Steven M. Earth System History. New York: W.H. Freeman and Company, 1999. ISBN 0-7167-2882-6 pp. 243-489
  2. ^ Dietz, Robert S. and John C. Holden, 1966, Miogeoclines (Miogeosynclines) in Space and Time, Journal of Geology, Vol. 74, No. 5, Part 1 (Sep., 1966), pp. 566-583
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雜砂岩
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