Supplemental Material: Volcanic activity driving rapid organic carbon burial during the Ordovician–Silurian transition

Tables S1–S3: Location information on wells and sections in Figures 1, 3, 5–7, and 9, and global black shale sequestration of organic carbon during the OST. Supplemental Data S1 and S2: Data related to changes in the sedimentary environment at the meter-scale samples and at the centimeter-scale samples.