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。
2
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。
3
However, I did find some really cool places where there had been softsediment deformation, probably from the rocks landing in marshy areas next to the river.