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Amber inorganic geochemistry: New insights into the environmental processes in a Cretaceous forest of France

Abstract : Amber fossils (microorganisms, arthropods, and plant remains) provide exceptionally well preserved data about past ecosystems, but amber itself was rarely used as a paleoenvironmental tool. Here we present geochemical analyses of mid-Cretaceous amber of southwestern France that demonstrate the preservation of a primary inorganic geochemical signal, especially the Cretaceous ocean strontium isotopic ratio. Our results indicate that inorganic chemical analyses present a potential to uniquely document the paleoenvironmental conditions such as processes of water extraction of amber-producing ecosystems.
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https://hal-insu.archives-ouvertes.fr/insu-00779469
Contributor : Isabelle Dubigeon <>
Submitted on : Tuesday, January 22, 2013 - 11:39:07 AM
Last modification on : Friday, September 18, 2020 - 2:34:40 PM

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Luc Aquilina, Vincent Girard, Odile Hénin, Martine Bouhnik-Le Coz, David Vilbert, et al.. Amber inorganic geochemistry: New insights into the environmental processes in a Cretaceous forest of France. Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier, 2013, 369, pp.220-227. ⟨10.1016/j.palaeo.2012.10.023⟩. ⟨insu-00779469⟩

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