Quantitative constraints on fluid-induced extreme oxygen isotope fractionation from crystal–fluid interactions in highly evolved granite–pegmatite systems

The Supplementary Material comprises five files (Supplemental material of methods, Table S1, Table S2, Table S3, and Table S4). (1). Supplemental material of methods, which is which includes: detailed analytical methods, method of oxygen isotope self-diffusivity in minerals, method of dynamic fractionation controlled by surface reactions, method of the Rayleigh degassing model for the BST melt, and supplementary figures. (2). Table S1 displays the oxygen isotope values, characteristic peak and FWHM of zircon micro-scale domains in the Baishitouquan pluton. (3). Table S2 displays the oxygen isotope values of quartz micro-scale domains, calculated δ18OWR, δ18Ofluid, Δ18OQtz-Zrn and equilibrium temperature in the Baishitouquan pluton. (4). Table S3 displays using δ18O value of Zrn-I calculate Δ18OWR-zircon. (5). Table S4 displays calculated oxygen isotope closure temperature in zircon and quartz.本补充材料包含五个文件（方法补充材料、表S1、表S2、表S3及表S4）。 (1) 方法补充材料涵盖如下内容：详细分析方法、矿物中氧同位素自扩散系数测定方法、受表面反应控制的动态分馏方法、BST熔体的瑞利脱气模型方法，以及补充图件。 (2) 表S1展示了白石头泉岩体中锆石微区的氧同位素值、特征峰及半高全宽（Full Width at Half Maximum，FWHM）。 (3) 表S2展示了白石头泉岩体中石英微区的氧同位素值、计算得到的δ¹⁸O_WR、δ¹⁸O_fluid、Δ¹⁸O_Qtz-Zrn及平衡温度。 (4) 表S3展示了利用锆石I组分的δ¹⁸O值计算Δ¹⁸O_WR-锆石的相关结果。 (5) 表S4展示了计算得到的锆石与石英的氧同位素封闭温度。