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jing jiang tai ping kou xia bian tan xian dai chen ji te zheng
Author(s): 
Pages: 109-118+142
Year: Issue:  4
Journal: Acta Sedimentologica Sinica

Keyword:  边滩现代沉积特征荆江层系沙纹槽状交错层理大型板状交错层理悬浮段跳跃总体滚动总体;
Abstract: <正> 太平口下边滩位于上荆江沙市河段内涴市河湾与沙市河湾之间过渡河段,太平口下游南岸(图1)。滩尾与三八滩(心滩)隔水相望,滩体长7km,面积7.5km。滩头较窄,滩尾宽,头尾皆有串沟。有一滩脊纵贯东西把滩体分为南北两坡。南坡滩头3.5°、滩中1°、滩尾3.7°;北滩头2.8°、滩中0.7°、滩尾0.9°。按200m×300m网格点在滩面取样105个,挖探槽18条,粒度分析158个,鉴定重矿物110个,轻矿物104个,粘土矿物6个,微量元素测定19个,有机碳18个。
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