After millions of years, powerful geological forces, like underwater volcanoes lift up the ocean sediments to form new land.

数百万年后，强大的地质力量，比如海底火山，会掀起海洋沉积物，形成新的陆地。

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The fossils buried in Pleistocene and earlier ocean sediments were of foraminifera—small, single-celled marine organisms that secrete shells of calcium carbonate, or calcite.

在更新世和更早的海洋沉积物中埋藏的化石生物属于孔虫类生物，它们是微小的单细胞海洋生物，其分泌的硬壳由碳酸钙和方解石组成。

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Some researchers believe that bacteria in ocean sediments are connected by a network of microbial nanowires.

一些研究者认为，海低沉积物里的细菌是由微生物的纳米线网络连接起来的。

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These proxies include coral, ice cores, mineral deposits in caves, lake and ocean sediments, as well as a few historical records like grape harvest dates.

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