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Pyrolytic formation of alkylsteranes - Assigning geological orphans to their biological parents

Nettersheim, Benjamin; van Maldegem, Lennart; Leider, Arne; Tarozo, Rafael; Hallmann , Christian


Steranes alkylated at position C-3 occur in significant concentrations in many geological samples (e.g. Fig. 1). However, biological equivalents are not known from any living organisms and the formation pathway remains equally enigmatic, rendering them some of the most prominent orphan biomarkers. In some geological samples, the presence of sulphur functionalities indicated that the 3-alkyl group was originally functionalised, which together with a dominance of pentyl-derivatives pointed...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Conference paper
Source: Proceedings of the 29th International Meeting on Organic Geochemistry, IMOG 2019


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