Conodont biostratigraphy across the Carnian-Norian Boundary in the Jifukudani Creek, Tamba Terrane, SE Kyoto, Japan

Teiji Mikami, Keisuke Ishida, Shigeyuki Suzuki

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A 4m thick bedded-chert sequence in the Jifukudani Creek, Tamba Terrane, Southeast Kyoto (SW Japan), yields Late Triassic conodonts. Metapolygnathus lindae M. polygnathiformis M. echinatus, M. primitius, Ancyrogondolella quadrata, A. spatulata and Mockina shamiseni span the Late Carnian polygnathiformis and primitius biozones, the Early Norian quadrata - spatulata biozone and the Middle Norian postera - shamiseni biozone. The Carnian - Norian boundary may coincide in the field with a layer of black clay. The conodont fauna shows affinities with both the Tethys and Izanaini Plateau of the Izanagi Plate, where the terranes of Japan originated, and to some extent with the Wrangellia Terrane (British Columbia, Canada).

Original languageEnglish
Pages (from-to)163-178
Number of pages16
JournalStratigraphy
Volume5
Issue number2
Publication statusPublished - Jul 30 2008

ASJC Scopus subject areas

  • Palaeontology

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