Supplemental Material: A waning Saxothuringian Ocean evidenced in the Famennian tephra-bearing siliceous succession of the Bardo Unit (Central Sudetes, SW Poland)

Supplemental Material S1: Conodont alteration index discussion; Supplemental Material S2: Radioisotopic data; Supplemental Material S3: Geochemical analytical and correlation dataset; Supplemental Material S4: Additional geochemical figures.