Depth, age, strontium isotopic ratios and trace elemental ratios of samples from DSDP Hole 52-418B@en

Please note, that on 2017-06-09 it was discovered that the age values were given as \"ka\" alhough the values were \"Ma\". The data are now recalculated (x1000) to fit the unit.请注意：2017年6月9日，经核查发现本次数据集的年龄值标注单位为“千年（ka）”，但实际对应的标准单位应为“百万年（Ma）”。目前已对数据进行重新计算（乘以1000）以匹配正确的单位。