Chlorins in mid-Cretaceous black shales of the Demerara Rise: The oldest known occurrence

Christopher K. Junium, Brendan J. Keely, Katherine Haines Freeman, Michael Allan Arthur

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Abstract

Liquid chromatography, multi-stage mass spectrometry (LC-MSn) of acetone extracts confirms the presence of mesochlorophyllone in the mid-Cretaceous black shales of Demerara Rise. This finding represents molecular confirmation of the oldest primary chlorins in the geologic record and is evidence for a chlorophyll a source for bicycloalkanoporphyrins in the Demerara Rise black shales.

Original languageEnglish (US)
Pages (from-to)856-859
Number of pages4
JournalOrganic Geochemistry
Volume42
Issue number7
DOIs
StatePublished - Aug 1 2011

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All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology

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