Calcareous nannofossils in Pliocene and Quaternary sediments of ODP Leg 117 holes
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A total of 21 calcareous nannofossil datums was found in the upper Pliocene and Quaternary sediments recovered from the ocean floor of the North Atlantic during DSDP Leg 94. These datums were correlated to magnetostratigraphy, and ages were estimated by interpolation between magnetic reversals. […]
在深海钻探计划（Deep Sea Drilling Project, DSDP）第94航次采自北大西洋洋底的上新统上部及第四纪沉积物中，共识别出21个钙质超微化石生物地层基准面。研究人员将这些基准面与磁地层学序列进行了对比，并通过磁极性倒转之间的内插法估算了其形成年代。[...]
创建时间：
2025-11-02
