Hf and Nd isotopic composition of mid-ocean ridge basalts

Ridge sections analyzed are from the East Pacific Rise between 5 and 19 degrees north and EPR between 13 and 23 degrees south and associated Rano Rahi seamount field, Gorda Ridge, Galapagos Spreading Center and mid-Cayman Rise所分析的海脊段位于东太平洋海脊北纬5至19度以及南纬13至23度之间，以及与之相关的拉诺拉希海山群、戈尔达海脊、加勒比海扩张中心和开曼海脊中段。