Mid-Cretaceous calcareous nannoplankton at DSDP Leg 62 Holes

Moderately well-preserved calcareous-nannoplankton assemblages from the western Mid-Pacific Mountains and Hess Rise reflect paleoceanographic conditions during the middle...采自中太平洋海岭西部与赫斯海隆的保存状态中等完好的钙质超微浮游生物（calcareous-nannoplankton）组合，反映了中……时期的古海洋环境。