Occurrence and significance of phytanyl arenes across the Permian-Triassic boundary interval

H. Grotheer, P. Le Métayer, M. J. Piggott, E. J. Lindeboom, A. I. Holman, R. J. Twitchett, K. Grice

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Phytanyl benzene and phytanyl toluene occur in mudstones from several key Permian-Triassic Boundary (PTB) sections from mid-northern palaeolatitudes (Spitsbergen and Eastern Greenland), as well as mid-southern palaeolatitudes (Western Australia). The occurrence of these compounds through the different PTB sections is related to the occurrence of the previously identified C33 n-alkyl cyclohexane, suggesting their parent organism shared a similar unique ecological niche and was associated with the extinction horizon. Further, the lack of these compounds in the carbonate-dominated palaeoequatorial, Global Stratotype Section and Point (GSSP), Meishan-1 (South China) section possibly points to their source being temperature and climate controlled.

Original languageEnglish
Pages (from-to)42-52
Number of pages11
JournalOrganic Geochemistry
Volume104
DOIs
Publication statusPublished - 1 Feb 2017

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