Cerium anomalies and paleoredox:

Ce anomalies track changes in oxygen availability due to the anomalous redox-sensitivity of Ce compared with the other rare earth elements. The proxy systematics have been calibrated experimentally as well as in modern anoxic water bodies. Ce anomalies are unique because they track intermediate mang...

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1. Verfasser: Tostevin, Rosalie ca. 20./21. Jh (VerfasserIn)
Format: Elektronisch E-Book
Sprache:English
Veröffentlicht: Cambridge Cambridge University Press 2021
Schriftenreihe:Cambridge elements. Elements in geochemical tracers in Earth system science
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Zusammenfassung:Ce anomalies track changes in oxygen availability due to the anomalous redox-sensitivity of Ce compared with the other rare earth elements. The proxy systematics have been calibrated experimentally as well as in modern anoxic water bodies. Ce anomalies are unique because they track intermediate manganous conditions, rather than fully anoxic conditions. In addition, they are sensitive to local-regional redox conditions, and can be analysed in chemical sediments such as carbonate rocks. This makes them especially useful as a tool to track local oxygen distribution in shallow shelf environments, where biodiversity is highest. This review focusses on the systematics of the Ce anomaly proxy, the preservation and extraction of the signal in sedimentary rocks, and the potential applications of the proxy
Beschreibung:Title from publisher's bibliographic system (viewed on 05 Feb 2021)
Beschreibung:1 Online-Ressource (21 Seiten)
ISBN:9781108847223
DOI:10.1017/9781108847223

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