Neodymium and lead isotopes from manganese crust DR01-001a (Vema)

The ages are calculated for the respective mean depths. Depending on the different growth rates of the crusts, samples correspond to different age intervals.样本年龄以各自对应的平均深度为基准进行测算。由于结壳（crusts）的生长速率存在差异，不同样本对应不同的年龄区间。