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。
EnlargeA deep-sea volcano spews lava. Research shows lava from such eruptions end up baking ocean sediment and releasing greenhouse gases.
一个深海火山喷发出熔岩,研究表明来自火山灰的熔岩烘烤海洋沉积物同时会释放温室气体。
Researchers found the same telltale signature of drought in a deep-sea sediment core drilled from the Gulf of Oman.
研究人员在从阿曼海湾的深海沉积物中钻取的岩芯中发现了同样能说明问题的旱灾的迹象。
The main factors controlling the distribution of foraminifera in the area are dissolution of deep-sea carbonate, water masses, sea-floor relief and relict sediment.
控制本区有孔虫分布的主要因素是深海碳酸盐溶解作用、水团、海底地形以及残留沉积。
The main factors controlling the distribution of foraminifera in the area are dissolution of deep-sea carbonate, water masses, sea-floor relief and relict sediment.
控制本区有孔虫分布的主要因素是深海碳酸盐溶解作用、水团、海底地形以及残留沉积。
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