Supplemental Material: Eocene high Ba–Sr magmatism in northern Tibet links ultra-enriched mantle to relamination of Songpan–Ganzi sediments

Detailed analytical methods, sampling coordinates, whole-rock major- and trace-element data, and supplementary figures. Tables of mineral major-element and isotopic compositions, together with suite-specific mineral fractional crystallization modeling, trace-element modeling results, and trace-element partial melting results.