The Global Boundary Stratotype Section and Point (GSSP) for the base of the Coniacian Stage (Salzgitter-Salder, Germany) and its auxiliary sections (Słupia Nadbrzeżna, central Poland; Střeleč, Czech Republic; and El Rosario, NE Mexico)

Ireneusz Walaszczyk*, Stanislav Čech, James S. Crampton, Zofia Dubicka, Christina Ifrim, Ian Jarvis, William J. Kennedy, Jackie A. Lees, Damian Lodowski, Martin Pearce, Danuta Peryt, Bradley B. Sageman, Poul Schiøler, Jordan Todes, David Uličný, Silke Voigt, Frank Wiese, Christian Linnert, Tobias Püttmann, Seiichi Toshimitsu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Following votes in the Coniacian Working Group, the Cretaceous Subcommission and the International Commission on Stratigraphy, on May 1st, 2021, the International Union of Geological Sciences voted unanimously to ratify the Global Stratotype Section and Point (GSSP) proposal for the base of the Coniacian Stage of the Upper Cretaceous Series and Cretaceous System. The lower boundary of the Coniacian Stage is placed at the base of Bed 46 of the Salzgitter-Salder section in northern Germany. The boundary is defined by the first appearance of the inoceramid bivalve species Cremnoceramus deformis erectus (Meek) and complemented by the Navigation carbon isotope event. Additional data include the bivalve genus Didymotis, foraminifera, ammonite, nannofossil and organic-walled dinoflagellate cyst events. Three auxiliary sections (Słupia Nadbrzeżna, central Poland; Střeleč, Czech Republic; El Rosario, NE Mexico) supplement the details of the boundary record in various facies, and in differing geographic and biogeographic contexts.

Original languageEnglish (US)
Pages (from-to)181-220
Number of pages40
JournalEpisodes
Volume45
Issue number2
DOIs
StatePublished - Jun 2022

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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