A revised and improved age model for the middle Miocene part of IODP Site U1318 (Porcupine Basin, offshore southwestern Ireland)

WILLEMIJN QUAIJTAAL*, STEVEN TESSEUR, TIMME H. DONDERS, PHILIPPE CLAEYS, STEPHEN LOUWYE

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Integrated Ocean Drilling Program Leg 307 Site U1318 is one of the few relatively complete middle Miocene drillcores from the North Atlantic (Porcupine Basin, offshore southwestern Ireland). Using benthic foraminiferal stable carbon and oxygen isotopes, the existing age model for Site U1318 was improved. The stable isotope record displays globally recognized isotope events, used to revise the existing magnetostratigraphy-based age model. Two intervals contained misidentified magnetochrons which were corrected. The sampled interval now has a refined age of 12.75–16.60 Ma with a temporal resolution of c. 29 ka.

Original languageEnglish
Pages (from-to)1105 - 1116
Number of pages12
JournalGeological Magazine
Volume155
Issue number5
DOIs
Publication statusPublished - Jul 2018

Keywords

  • dinoflagellate cysts
  • isotope stratigraphy
  • magnetostratigraphy
  • Neogene
  • North Atlantic

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