Cretaceous and Paleogene calcareous nannofossils from ODP Leg 123
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Two of five holes drilled at two separate sites during Leg 123 of the Ocean Drilling Program intersected thick and relatively complete sections of Upper Cretaceous-Paleogene...
大洋钻探计划（Ocean Drilling Program）第123航次期间，在两个独立钻探站位钻取的5个钻孔中，有2个钻孔钻遇了厚层且相对完整的白垩纪晚期-古近纪（Upper Cretaceous-Paleogene）地层剖面……
