(Table 1) Distribution of planktic foraminifera in sediments from Core AMK4-4...

Sediments in 36 cores recovered from the rift zone of the Reykjanes Ridge were dated on the basis of planktic foraminifera. Their ratios in samples were used to determine...从雷克雅内斯海岭（Reykjanes Ridge）裂谷带获取的36根岩芯沉积物，均以浮游有孔虫（planktic foraminifera）为依据完成了年代测定。样本中该类生物的相关比值被用于确定……