Campanian-Maestrichtian benthic foraminifera of DSDP Hole 78-543A

Foraminiferal assemblages in sediments from Hole 543A suggest that toward the end of the Cretaceous there was an oscillating carbonate compensation depth (CCD) in the western...543A钻孔沉积物中的有孔虫组合（Foraminiferal assemblages）表明，在白垩纪末期，西部区域的碳酸盐补偿深度（carbonate compensation depth, CCD）曾呈现振荡变化特征。