Vanadium isotopes: a proxy for ocean oxygen variations
Vanadium isotope ratios (51V/50V) have potential to provide information about changes in past ocean oxygen contents. In particular, V isotopes may find utility in tracing variations at non-zero oxygen concentrations because the redox couple that controls V elemental and isotopic abundances in seawat...
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| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Cambridge
Cambridge University Press
2020
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| Online-Zugang: | BSB01 FHN01 URL des Erstveröffentlichers |
| Zusammenfassung: | Vanadium isotope ratios (51V/50V) have potential to provide information about changes in past ocean oxygen contents. In particular, V isotopes may find utility in tracing variations at non-zero oxygen concentrations because the redox couple that controls V elemental and isotopic abundances in seawater (vanadate-vanadyl) appears to operate around 10M O2. This characteristic sets V isotopes apart from many other metal isotope redox proxies that require more reducing conditions to register significant changes in their isotope budgets. The oxygen abundance sensitivity range of V isotopes suggests that this paleoproxy could be particularly useful in tracing marine oxygenation changes throughout the Phanerozoic and potentially beyond |
| Beschreibung: | Title from publisher's bibliographic system (viewed on 08 Jan 2021) |
| Beschreibung: | 1 Online-Ressource (23 Seiten) |
| ISBN: | 9781108863438 |
| DOI: | 10.1017/9781108863438 |
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| spelling | Nielsen, Sune ca. 20./21. Jh. (DE-588)1226808298 aut Vanadium isotopes a proxy for ocean oxygen variations Sune G. Nielsen Cambridge Cambridge University Press 2020 1 Online-Ressource (23 Seiten) txt rdacontent c rdamedia cr rdacarrier Title from publisher's bibliographic system (viewed on 08 Jan 2021) Vanadium isotope ratios (51V/50V) have potential to provide information about changes in past ocean oxygen contents. In particular, V isotopes may find utility in tracing variations at non-zero oxygen concentrations because the redox couple that controls V elemental and isotopic abundances in seawater (vanadate-vanadyl) appears to operate around 10M O2. This characteristic sets V isotopes apart from many other metal isotope redox proxies that require more reducing conditions to register significant changes in their isotope budgets. The oxygen abundance sensitivity range of V isotopes suggests that this paleoproxy could be particularly useful in tracing marine oxygenation changes throughout the Phanerozoic and potentially beyond Vanadium / Isotopes Tracers (Chemistry) Geochemistry Erscheint auch als Druck-Ausgabe 978-1-108-79794-8 https://doi.org/10.1017/9781108863438 Verlag URL des Erstveröffentlichers Volltext |
| spellingShingle | Nielsen, Sune ca. 20./21. Jh Vanadium isotopes a proxy for ocean oxygen variations Vanadium / Isotopes Tracers (Chemistry) Geochemistry |
| title | Vanadium isotopes a proxy for ocean oxygen variations |
| title_auth | Vanadium isotopes a proxy for ocean oxygen variations |
| title_exact_search | Vanadium isotopes a proxy for ocean oxygen variations |
| title_exact_search_txtP | Vanadium isotopes a proxy for ocean oxygen variations |
| title_full | Vanadium isotopes a proxy for ocean oxygen variations Sune G. Nielsen |
| title_fullStr | Vanadium isotopes a proxy for ocean oxygen variations Sune G. Nielsen |
| title_full_unstemmed | Vanadium isotopes a proxy for ocean oxygen variations Sune G. Nielsen |
| title_short | Vanadium isotopes |
| title_sort | vanadium isotopes a proxy for ocean oxygen variations |
| title_sub | a proxy for ocean oxygen variations |
| topic | Vanadium / Isotopes Tracers (Chemistry) Geochemistry |
| topic_facet | Vanadium / Isotopes Tracers (Chemistry) Geochemistry |
| url | https://doi.org/10.1017/9781108863438 |
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