Upper-Albian to Lower Cenomanian biostratigraphy in the Oyubari area, Hokkaido, Japan

Toward a Cretaceous biochronology for the North Pacific

Fumihisa Kawabe, Reishi Takashima, Ryoji Wani, Hiroshi Nishi, Kazuyoshi Moriya

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

An integrated planktonic foraminifer and ammonoid biostratigraphy for the Oyubari arca, Hokkaido, Japan, provides new insights into the late Albian to early Cenomanian biochronology of the North Pacific province. The following foraminifers extend Tethyan zonation to the Oyubari area: Biticinella breggiensis (lower Upper Albian), Rotalipora subticinensis - Rotalipora ticinensis (middle Upper Albian), Rotalipora appenninica (upper Upper Albian), and Rotalipora globotruncanoides (Lower Cenomanian) zones. Co-occurring age-indicative ammonoids such as Mortoniceras rostratum, Mariella bergeri, and Mantelliceras saxbii, are in accord with these foraminifer ages. The base of the Cenomanian stage in Hokkaido is recognized as the first occurrence of Rotalipora globotruncanoides, which is close to the horizon of the occurrence of Mantelliceras. The first occurrence of Desmoceras (Pseudouhligella) japonicum, regarded as a Cenomanian marker species in the North Pacific province, is of latest Albian age in the global biochronological scale.

Original languageEnglish
Pages (from-to)81-91
Number of pages11
JournalActa Geologica Polonica
Volume53
Issue number2
Publication statusPublished - 2003
Externally publishedYes

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biochronology
biostratigraphy
Cretaceous
foraminifera
planktonic foraminifera
zonation

Keywords

  • Albian/Cenomanian boundary
  • Ammonoids
  • Biochronology
  • Hokkaido
  • Pacific
  • Planktonic foraminifers

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

Cite this

Upper-Albian to Lower Cenomanian biostratigraphy in the Oyubari area, Hokkaido, Japan : Toward a Cretaceous biochronology for the North Pacific. / Kawabe, Fumihisa; Takashima, Reishi; Wani, Ryoji; Nishi, Hiroshi; Moriya, Kazuyoshi.

In: Acta Geologica Polonica, Vol. 53, No. 2, 2003, p. 81-91.

Research output: Contribution to journalArticle

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