Barium isotope variation during granitic magma differentiation: implications for the discrimination of crystal fractionation and fluid-magma interaction

The Supplementary Material includes:

Table S1 The main mineral proportions (vol. %) for representative samples;
Table S2 Whole-rock major and trace element compositions for syn-exhumation granites;
Table S3 Partition coefficient of trace elements, the Ba isotope composition of minerals and the composition of starting material in the modeling;
Table S4 Dehydration melting process modeling by GeoPS;
Table S5 Fractional crystallization modeling by Rhyolite-MELTS;

Fig. S1 Correlations among major oxide contents for the syn-exhumation granites;
Fig. S2 Correlations among major oxide contents for melt formed through dehydration melting;
Fig. S3 The effect of partial melting on Ba isotope compositions of melt;
Fig. S4 Chondrite-normalized REE patterns for syn-exhumation granites;
Fig. S5 The modal contents of crystallizing mineral assemblage during fractional crystallization.

本补充材料包含如下内容：
表S1 代表性样品的主要矿物体积占比（vol. %）；
表S2 同折返期花岗岩的全岩主量与微量元素组成；
表S3 模拟实验中微量元素的分配系数、矿物的钡同位素（Barium Isotope）组成以及起始原料的组分；
表S4 基于GeoPS的脱水熔融过程模拟；
表S5 基于Rhyolite-MELTS的分离结晶模拟；

图S1 同折返期花岗岩的主量氧化物含量间的相关性；
图S2 脱水熔融形成的熔体的主量氧化物含量间的相关性；
图S3 部分熔融对熔体钡同位素组成的影响；
图S4 同折返期花岗岩的球粒陨石标准化稀土元素（Rare Earth Elements，REE）配分模式；
图S5 分离结晶过程中结晶矿物集合体的模态含量。