Calcareous nannofossils in ODP Sites 135-840 and 135-841
收藏B2FIND2026-03-19 收录
官方服务：
资源简介：
Ocean Drilling Program Leg 135 drilled at two sites on the Tonga Ridge. Calcareous nannofossils recovered at Site 840 on the Tonga Ridge date the sedimentary sequence as late...
大洋钻探计划（Ocean Drilling Program）第135航次在汤加海脊（Tonga Ridge）的两个站位开展钻探作业。在汤加海脊840站位采集得到的钙质超微化石（Calcareous nannofossils）可对该站位的沉积序列进行年代标定，其沉积时代为晚……
