Table S8. Sedimentary geochemistry used to infer the provenance of Permian–Triassic marine sandstones related to the SE Gondwana active continental margin, South Island, New Zealand RobertsonAlastair H.F. PalamakumburaRomesh 2019 Chemical analyses by XRF, including lithology and locations (GPS coordinates), of the Stephens Subgroup Fm.