Distribution of calcareous nannofossils in the lower sequence of the CIROS-1 ...

Semiquantitative data of calcareous nannofossil species abundance were collected for 31 samples from 380.00 to 696.61 m below sea floor (mbsf) in the CIROS-1 core from the...针对取自CIROS-1岩心、海底以下380.00至696.61米（meters below sea floor，缩写mbsf）层位的31个样品，研究者获取了其钙质超微化石（calcareous nannofossil）物种丰度的半定量数据。