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叠瓦状构造

名词解释题
2022-01-03 05:33
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是指扁平砾石在水流作用下向同一方向倾斜排列的现象。砾石叠瓦形式最常见的是迎流叠瓦。在河流环境中,这种构造常见。叠瓦状砾石的倾角一般为15•~30•,扁平砾石的最长轴平行于水流方向的叠瓦状构造通常发育于山间湍急河流的沉积中。


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