Fig. 1: Late Triassic (~202 Ma) global paleogeography.
From: Mercury evidence for combustion of organic-rich sediments during the end-Triassic crisis
Geo-map adapted from Ron Blakey https://deeptimemaps.com/, (©2016 Colorado Plateau Geosystems Inc.) Red star shows the study site (Katsuyama section), located in the center of Panthalassa. Circles and squares represent other marine and continental sections, respectively, for which mercury data have been generated, including Hg concentrations and isotopes for Nevada17,18, St Audrie’s Bay14,18, Levanto18, Haojiagou, and Qilixia19; Hg concentrations for Arroyo Malo, Astartekløft, Igounane, Kuhjoch, Partridge Island (from ref. 14); Stenlille-1/Stenlille-4, Rødby-1, and Norra Albert/Albert-1 (from ref. 26), Csővár (from ref. 27), Arroyo Alumbre (from ref. 11), as well as Lombardy Basin, and Mt. Sparagio (from ref. 18).
