Geochemistry of Early Frasnian (Late Devonian) pyrite-ammonoid level in the Kostomłoty Basin, Poland, and a new proxy parameter for assessing the relative amount of syngenetic and diagenetic pyrite

Pyrite geochemistry (isotope and trace element composition, degree of pyritization, S/C org null ratio) was used in context of selected lithogeochemical parameters (major and trace elements, including sulphur, organic carbon, and δ 13 C of carbonate carbon) to constrain fluctuations in depositional conditions during the Early to Middle Frasnian carbon isotopic perturbation (punctata Event) in the Kostomloty Basin, Poland. Based on the ratio...