ZHAO Xia-fei. Dynamic sedimentology and continental sediment[M]. Beijing:Science Press, 1992. (in Chinese).

[19]赵霞飞。动力沉积学与陆相沉积[M]。北京：科学出版社，1992。

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Is also often found on the continental shelf shell layer, and many shells were crushed after the stacked together to form the uneven thickness of the sediment layer.

在大陆架上还能经常发现贝壳层，许多贝壳被压碎后堆积在一起，形成厚度不均的沉积层。

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The Re Os isotope composition is obviously different from the rocks of the continental crust, but similar to the K T boundary sediment, and close to the meteorite.

铁锰结壳的铼-锇同位素组成明显有别于大陆地壳岩石，和K- T界线沉积物相似，接近陨石值。

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In the deep water, large swaths of Wilcox sediment slumped over the side of the continental shelf and were swallowed by a layer of salt that dates back to when the American continents pulled away from Europe and Africa.

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Wetland loss has been caused by the Army Corps of Engineers channeling the Mississippi for flood control, with the result that all the sediment in the river is being lost over the continental shelf.

CNN: Your e-mails: 'Clean up our wetlands'