Barium isotope variation during fluid-rock interaction at forearc depths: evidence from the high-pressure fluid-metasomatized rocks in the Eastern Alps

The supporting information presents the analytical methods of whole-rock major-trace element compositions and Mg–Fe isotope compositions , as well as whole-rock major-trace elements and Fe–Mg–Sr isotope data.本补充材料提供了全岩主量-微量元素组成与镁-铁同位素组成的分析方法，以及全岩主量-微量元素和铁-镁-锶同位素数据。