在这一时期，谷物和其他固体货物被装在由非粘土材料制成的集装箱里穿过 Remain 海洋。

During the period, grain and other solid cargo was shipped across the Remain Sea in containers made from material other than clay.

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在从冰下的固体物质中收集的样本中，他们发现微型海洋植物的化石，这表明这个区域曾经是开阔的海洋而不是坚硬的冰。

Within samples collected from the solid substances lying beneath the ice they found fossils of microscopic marine plants which suggest that the region was once open ocean not solid ice.

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通过这一过程，巨量的泥沙和石块从陆地移入海洋。每年，密西西比河要把7.3亿吨的固体物质送入墨西哥湾。

By this process enormous amounts of mud and rock are moved from the land to the sea.each year the Mississippi Rivercarries 730 million of solid matter into the Gulf of Mexico.

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