Biostratigraphic and paleoenvironmental interpretation of Late Triassic sediments on the Exmouth Plateau, Northern Carnarvon Basin, north Western Australia

Liam Gallagher

Research output: ThesisMaster's Thesis

53 Downloads (Pure)

Abstract

The study involved palynological analyses of samples from two wells on the Exmouth Plateau to determine Late Triassic vegetation. Stratigraphic units were identified and correlated using bioevents against the regional chronostratigraphy. The Mungaroo and Brigadier formation sediments were deposited in environments from Norian to Rhaetian, upper to lower delta plain, coastal, and marine settings, and were assigned to the M. crenulatus and A. reducta spore-pollen zones. The characterization of botanical affinities of palynomorphs allowed to reconstruct the paleofloral dynamics during the interval considered. Accordingly, climate demonstrated a shift towards warmer, wetter conditions at the end of the Triassic.
Original languageEnglish
QualificationMasters
Awarding Institution
  • The University of Western Australia
Award date29 Jun 2020
DOIs
Publication statusUnpublished - 2020

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