The noble gas isotopic composition of the upper mantle in non-arc oceanic set...

OIB localities (e.g., Tristan, Samoa) have been considered ideal natural laboratories for studying mantle heterogeneity. Indeed, Sr, Nd, and Pb isotopes of lavas collected from...洋岛玄武岩（Ocean Island Basalt, OIB）的分布点位（例如特里斯坦、萨摩亚）被视作研究地幔不均一性的理想天然实验室。诚然，从……采集的熔岩的锶、钕与铅同位素……