摘要 : We measured Sr-87/Sr-86 ratios on 41 olivine-hosted melt inclusions from nine Samoan basalts using laser ablation multi-collector (LA-MC) lCPMS. Sr-117/Sr-86 ratios are corrected for mass bias after eliminating major isobaric inte... 展开 We measured Sr-87/Sr-86 ratios on 41 olivine-hosted melt inclusions from nine Samoan basalts using laser ablation multi-collector (LA-MC) lCPMS. Sr-117/Sr-86 ratios are corrected for mass bias after eliminating major isobaric interferences from Rb and Kr. The external precision averages +/- 320 ppm (2 sigma) for the Sr-87/Sr-86 ratios on natural Samoan basalt glass standards of a similar composition to the melt inclusions. 收起