Calcareous nannofossils across the Eocene-Oligocene boundary
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This work presents the stratigraphic distribution of several species of calcareous nannofossil in the middle Eocene early-Oligocene from four Ocean Drilling Program (ODP) sites...
本研究报道了来自4个大洋钻探计划（Ocean Drilling Program，ODP）站位的中始新世至早渐新世地层内多种钙质超微化石的地层分布特征……
