Planktonic foraminiferal stratigraphy, datum levels and ages of ODP Sites 184...

Over 30 first and last occurrence (FO and LO, respectively) planktonic foraminifer datums were recognized from the Oligocene-Miocene section of Ocean Drilling Program (ODP) Site...从大洋钻探计划（Ocean Drilling Program, ODP）某站位的渐新世-中新世地层剖面中，共识别出30余个浮游有孔虫的首现事件（First Occurrence, FO）与末现事件（Last Occurrence, LO）生物地层基准点。