Carbon and nitrogen isotopic compositions of alkyl porphyrins from the Triassic Serpiano oil shale

The carbon and nitrogen isotopic compositions of seven of the most abundant alkylporphyrins from the Serpiano oil shale (marine, Triassic) were determined. For the C 31 and C 32 butanoporphyrins, values of δ 13 C PDB and δ 15 N AIR averaged −24.0‰ and −3.1‰. In contrast, the C 31 and C 32 methylprop...

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Veröffentlicht in:	Geochimica et cosmochimica acta 1993, Vol.57 (6), p.1307-1311
Hauptverfasser:	Chicarelli, Maria Ines, Hayes, J.M., Popp, Brian N., Eckardt, Christian B., Maxwell, James R.
Format:	Artikel
Sprache:	eng
Schlagworte:	04 OIL SHALES AND TAR SANDS 040500 - Oil Shales & Tar Sands- Properties & Composition Biological Evolution BITUMINOUS MATERIALS CARBON Carbon - analysis CARBON 13 CARBON ISOTOPES CARBONACEOUS MATERIALS CARBOXYLIC ACIDS CHEMICAL ANALYSIS Chemistry, Organic CYANOBACTERIA Cyanobacteria - physiology ELEMENTS ENERGY SOURCES EVEN-ODD NUCLEI Exobiology FOSSIL FUELS FUELS Geological Phenomena Geology HETEROCYCLIC ACIDS HETEROCYCLIC COMPOUNDS ISOTOPES KEROGEN LIGHT NUCLEI MATERIALS MATTER MICROORGANISMS NITROGEN Nitrogen - analysis NITROGEN 15 Nitrogen Fixation NITROGEN ISOTOPES NONMETALS NUCLEI ODD-EVEN NUCLEI OIL SHALES ORGANIC ACIDS Organic Chemistry Phenomena ORGANIC COMPOUNDS ORGANIC MATTER ORGANIC NITROGEN COMPOUNDS ORIGIN Petroleum - analysis PORPHYRINS Porphyrins - analysis Porphyrins - chemistry QUANTITATIVE CHEMICAL ANALYSIS ROCKS SEDIMENTARY ROCKS SHALES Space life sciences STABLE ISOTOPES Switzerland
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