Depositional response to the Late Triassic ascent of calcareous plankton in pelagic mid-oceanic plate deposits of Japan

T. Onoue, A. Yoshida

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Calcareous nannofossils occur in Upper Carnian to Middle Norian siliceous micrites of the Sambosan accretionary complex, the origin of which is the Panthalassan Ocean. The siliceous micrite consists of presumably calcareous nannofossil derived lime-mud and locally yields abundant radiolarians and filaments (thin-shelled bivalves). This type of accumulation of siliceous micrite represents a significant change in oceanic sedimentation since Late Triassic times, which appears as a depositional response to the simultaneous Late Triassic rise of calcareous nannoplankton in the world-ocean.

Original languageEnglish
Pages (from-to)312-321
Number of pages10
JournalJournal of Asian Earth Sciences
Volume37
Issue number4
DOIs
Publication statusPublished - Mar 1 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Geology
  • Earth-Surface Processes

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