表层岩石元素丰度
Rock element adundance of surface layer
流体包裹体丰度(GOI)
abundance of fluid inclusion
铅的同位素丰度比
lead isotope abundance ratio
钐同位素丰度
absolute isotopic abundance of samarium
生物丰度指数
biological abundance index
铅同位素丰度比
lead isotope abundance ratio
Lead isotope ratio