Fig. 2: Stratigraphic information and geochemical profiles in Longan from South China.
From: Photic-zone euxinia had a major role in the Devonian-Carboniferous boundary mass extinction

Including lithology, conodont zones12, inorganic carbon isotope (δ13Ccarb), whole rock Hg concentration, carbonate-free Hg concentration (Hgcf), Δ199Hg, δ202Hg and pyrite framboids size (PFS) data. Se. Series, St. Stages, Fm. Formation, Lith. Lithology, CZ Conodont zones, L. S. praesulcate Lower Siphonodella praesulcate, M. S. p Middle Siphonodella praesulcate, U. S. p Upper Siphonodella praesulcate, EDHC End-Devonian Hangenberg Crisis, NCIE Negative carbon isotopic excursion, SD standard deviation.