Depth, age, strontium isotopic ratios and trace elemental ratios of samples f...

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日发现数据集的年龄数值原标注为“ka”，但实际应为“Ma”。目前已将数据重新计算（乘以1000）以匹配单位要求。