2003
DOI: 10.2516/ogst:2003014
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A History of Organic Geochemistry

Abstract: Résumé -Histoire de la géochimie organique -La géochimie organique est née des interrogations sur l'origine du pétrole. Son développement a pour l'instant été lié à celui de l'exploration pétrolière. Elle ne s'est constituée en science autonome qu'un peu après 1960. Les années 1965-1985 furent particulièrement productives : pendant cette période les mécanismes de la formation des gisements de pétrole et de gaz naturel furent explicités et de nombreux biomarqueurs, témoins de l'origine organique du pétrole fure… Show more

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Cited by 28 publications
(11 citation statements)
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“…Note that bitumen for the geochemist sometimes takes on another somewhat different meaning, when it is opposed to kerogen, the insoluble organic matter present in sedimentary rocks [10,15]. This last definition encompasses materials of different composition and properties, and bitumen, as described in the rest of this article, probably does not apply to this kind of product.…”
Section: Definitionsmentioning
confidence: 93%
“…Note that bitumen for the geochemist sometimes takes on another somewhat different meaning, when it is opposed to kerogen, the insoluble organic matter present in sedimentary rocks [10,15]. This last definition encompasses materials of different composition and properties, and bitumen, as described in the rest of this article, probably does not apply to this kind of product.…”
Section: Definitionsmentioning
confidence: 93%
“…Hydrocarbon biomarkers have been routinely used in the petroleum industry since the 1970s for assessing the organic matter of oils and sedimentary rocks and for paleoenvironmental reconstructions (Hunt et al, 2002;Durand, 2003). They are particularly important when physical fossil evidence is not available, and their application is therefore valuable for the study of Precambrian ecosystems and to provide key calibration dates for the first occurrence of organisms throughout the geological record.…”
Section: Introductionmentioning
confidence: 99%
“…When an organism dies, it is usually quickly decomposed but special conditions -namely the presence of biomineralised structures -sometimes allow for part of its morphological or biochemical characteristics to be preserved (for reviews, see Behrensmeyer et al, 2000;Briggs, 2003;Durand, 2003;Weiner and Dove, 2003;Middelburg and Meysman, 2007). Though these conditions only apply to a tiny minority of individual life forms at a given time, vast amounts of biogenic deposits have been accumulated over geological periods, most famously perhaps in the form of fossil fuels (e.g.…”
Section: Introductionmentioning
confidence: 99%