Supplemental Material: Biomarker evidence of algal-microbial community changes linked to redox and salinity variation, Upper Devonian Chattanooga Shale (Tennessee, USA)

Table S1: original data of all proxies in this paper and concentration of each element and compound; Figure S2: Mass chromatograms of selected sample showing the distribution of (a) n-alkanes, (b) C27-C29 steranes and diasteranes (m/z 217), (c) Terpane m/z 191 fingerprint, (d) aryl isoprenoids (m/z 133 or 134).