Accessory mineral control on δ88/86Sr variation during granitic magma evolution and implications for tracing fluid-melt interaction

The Supplementary Material includes: Partition coefficient of trace elements, the δ88/86Sr of minerals and the composition of starting material in the modeling (Table S1); Dehydration melting modeling results by GeoPS (Table S2); Fractional crystallization modeling results by Rhyolite-MELTS and Rayleigh-type fractional crystallization (Table S3); The effect of chemical weathering on Sr content and δ88/86Sr (Fig. S1); The effect of partial melting on δ88/86Sr of melt (Fig. S2); Correlations among major oxide contents and δ88/86Sr value for the syn-exhumation granites (Fig. S3); The modal contents of crystallizing mineral assemblage during fractional crystallization of Rhyolite-MELTs modeling (Fig. S4).本补充材料包含如下内容：模拟实验中微量元素的分配系数（partition coefficient）、矿物的δ88/86Sr同位素比值以及起始物料组成（表S1）；基于GeoPS开展的脱水熔融模拟结果（表S2）；采用Rhyolite-MELTS与瑞利型分离结晶法得到的分离结晶模拟结果（表S3）；化学风化作用对Sr含量及δ88/86Sr比值的影响（图S1）；部分熔融作用对熔体δ88/86Sr比值的影响（图S2）；同折返花岗岩主量氧化物含量与δ88/86Sr比值之间的相关性（图S3）；Rhyolite-MELTS模拟的分离结晶过程中结晶矿物组合的模式含量（图S4）。