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Molecular indicators of diagenesis in lignite diastereomeric configuration of triterpenoid derived aromatic hydrocarbons

Authors
Journal
Organic Geochemistry
0146-6380
Publisher
Elsevier
Publication Date
Volume
15
Issue
5
Identifiers
DOI: 10.1016/0146-6380(90)90093-f
Keywords
  • Aromatic Hydrocarbons
  • Coal
  • Lithotypes
  • Triterpenoid Diagenesis
  • Diastereoisomerism
  • Mass Spectrometry

Abstract

Abstract The ratio of tetramethyloctahydropicene diastereomers I and II is shown to vary as a function of (a) depth, (b) lithotype and (c) seam in a 100 m core of continuous coal taken from the Latrobe Valley, Victoria. This is the first illustration that triterpenoid derived aromatic hydrocarbon diastereomers can be used as molecular indicators of diagenesis

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