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Vanadium Isotopes

Name: Vanadium Isotopes
Brand: Cambridge University Press
SKU: 39906375
Price: 24.89 EUR
Availability: InStock
Author: Sune G. Nielsen
ISBN: 9781108852708

A Proxy for Ocean Oxygen Variations

Sune G. Nielsen

Language

English

E-book Adobe ePub DRM

Libristo code: 39906375

Publishers Cambridge University Press, January 2021

Vanadium isotope ratios (51V/50V) have potential to provide information about changes in past ocean... Full description

Libristo code: 39906375

61 b

24.89 € VAT included

In stock Immediate digital delivery

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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.