K-T boundary in DSDP Holes 62-465 and 74-527 (Table 2)

The global extinctions linked to the Cretaceous-Tertiary (K-T) boundary severely affected marine pelagic organisms. The K-T boundary intervals at Deep Sea Drilling Project...与白垩纪-第三纪界线（Cretaceous-Tertiary (K-T) boundary）相关的全球性灭绝事件，对海洋远洋生物造成了严重影响。深海钻探计划（Deep Sea Drilling Project）中的K-T界线地层段……