It was apparent that the glaciation occurred in the relatively recent past because the drift was soft, like freshly deposited sediment.

很明显冰川作用就发生在相对不远的过去，因为漂流物很软，像新鲜的沉积物。

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The sample consisted of pebbles of hardened sediment that had once been soft, deep-sea mud, as well as granules of gypsum and fragments of volcanic rock.

这一样本包括曾经柔软的的硬化沉积物的卵石、深海淤泥以及石膏颗粒和火山岩碎片。

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However, I did find some really cool places where there had been soft sediment deformation, probably from the rocks landing in marshy areas next to the river.

然而，我确实发现了一些真正酷的地方，那儿曾经有一些柔软的沉淀物异形，可能从岩石飘落在紧邻河流的沼泽区域。

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