Dataset for "Sulfur isotope heterogeneity in Martian shergottites reveals early atmosphere - mantle exchange"

This dataset contains the elemental and insitu (secondary ion mass spectrometry) suflur isotopic compositions of sulfides for 4 Martian shergottites namely: Yamato 980459, Tissint, Gadamis 001 and NWA 11300. The dataset also contains the raw values obtained for all the samples and standards along with the applied data reduction methods to obtain the final data.