deep-sea core 深海柱状
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 stratigraphic framework of this core is established by the combination of the two FAD ages with the SPECMAP isotopic records in deep-sea sediments.
它们的初现面年龄与SPECMAP氧同位素记录结合为该柱建立了地层框架。
The sharp changes of the REE contents in depth divided core CC48 into 5 layers that provided information for deep sea stratigraphic division.
稀土元素含量随深度发生变化，为地层划分提供了依据，应用元素地层学方法将岩芯分成5个层段。
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