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Sedimentary Characteristics of the Modern Tidal Flat of Jiuduansha Shoal in Changjiang Estuary
Author(s): 
Pages: 566-573
Year: Issue:  4
Journal: ACTA SEDIMENTOLOGICA SINICA

Keyword:  长江口九段沙现代潮滩沉积特征;
Abstract: 根据2003年对长江河口九段沙潮间带和潮上带的现场调查和室内对沉积构造、粒度分布、矿物组成、沉积速率等的分析,对九段沙现代潮滩的沉积特征进行了研究.研究表明九段沙潮间带以小型交错层理为主,波痕发育,粒度主要为细砂至粗粉砂;潮上带主要为水平层理,粒度主要为中细粉砂.潮间带和潮上带的沉积矿物组成非常接近.沉积速率以潮间带低而潮上带高为特点.
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