Research data of "Origin of the Early to Middle Triassic polyhalite minerals in the Sichuan Basin, SW China: New evidence from calcium and sulphur isotopes and major ion compositions"

Supplementary Table 1. Statistics of polyhalite thickness in some diamond-drilling in Central Sichuan. Supplementary Table 2. Geochemical data of anhydrite and polyhalite in the Sichuan Basin. Supplementary Table 3. Calcium isotopes of anhydrite and polyhalite in the Sichuan Basin. Supplementary Table 4. Sulfur isotopes of anhydrite and polyhalite in the Sichuan Basin.补充表1 川中地区部分金刚石钻探孔中杂卤石（polyhalite）厚度统计数据。 补充表2 四川盆地内硬石膏（anhydrite）与杂卤石的地球化学数据。 补充表3 四川盆地内硬石膏与杂卤石的钙同位素数据。 补充表4 四川盆地内硬石膏与杂卤石的硫同位素数据。