Supporting Information for Potassium Isotope Evidence for the Origin of Paleoarchean TTGs from Hydrothermally Altered Oceanic Crust

This dataset contains detailed sample information, 5 figures and 6 tables as the supporting information for the paper entitled "Potassium Isotope Evidence for the Origin of Paleoarchean TTGs from Hydrothermally Altered Oceanic Crust". Text S1. Detailed Sample Information. Figure S1. Thin section photos of the Paleoarchean TTG samples in cross polarized light. Figure S2. Chondrite normalized (Mcdonough & Sun, 1995) rare earth element patterns of the Paleoarchean TTG samples. Figure S3. Thin section photos of the Paleoarchean mafic rock samples in cross polarized light. Figure S4. Diagrams of δ41K vs. ratios of K, Li, Cs and Rb to both Sm and Al of our mafic rock samples. Figure S5. Diagrams of δ41K and LOI, CIA, Ce/Pb and Rb/Sr of Paleoarchean TTGs and mafic rocks. Table S1. K isotope data for solutions of standard as well as purified geological reference materials and samples. Table S2. Data summary: Ages, major elements contents, and K and O isotopic compositions of the ca. 3.51-3.42 Ga BGGT TTGs and Paleoarchean mafic rocks from the eastern Kaapvaal Craton. Table S3. Major elements contents and mineral assemblages of TTG samples. Table S4. Trace elements concentrations of TTG samples. Table S5. Major elements contents of the mafic rock samples. Table S6. Trace elements concentrations of the mafic rock samples.本数据集包含详细的样品信息、5张附图及6张附表，作为题为《热水蚀变洋壳成因的古太古代TTG岩石钾同位素证据》的论文的支撑材料。 文本S1 详细样品信息。 附图S1 正交偏光镜下古太古代TTG样品的薄片照片。 附图S2 古太古代TTG样品的球粒陨石标准化（Mcdonough & Sun, 1995）稀土元素配分图。 附图S3 正交偏光镜下古太古代镁铁质岩样品的薄片照片。 附图S4 本研究镁铁质岩样品的δ⁴¹K与K、Li、Cs、Rb分别相对于Sm和Al的比值的相关图件。 附图S5 古太古代TTG及镁铁质岩的δ⁴¹K与烧失量(LOI)、化学蚀变指数(CIA)、Ce/Pb及Rb/Sr的相关图件。 附表S1 标准溶液以及纯化后的地质参考物质与样品的钾同位素数据。 附表S2 数据汇总：卡普瓦尔克拉通东部约3.51~3.42 Ga的BGGT TTG岩石及古太古代镁铁质岩的年龄、主量元素含量、钾与氧同位素组成。 附表S3 TTG样品的主量元素含量及矿物组合。 附表S4 TTG样品的微量元素浓度。 附表S5 镁铁质岩样品的主量元素含量。 附表S6 镁铁质岩样品的微量元素浓度。