Vanadium Isotopes : A Proxy for Ocean Oxygen Variations
Book Details
Format
Paperback / Softback
ISBN-10
1108797946
ISBN-13
9781108797948
Publisher
Cambridge University Press
Imprint
Cambridge University Press
Country of Manufacture
GB
Country of Publication
GB
Publication Date
Jan 28th, 2021
Print length
32 Pages
Weight
62 grams
Dimensions
15.20 x 22.90 x 0.60 cms
Product Classification:
BiochemistryGeochemistryOceanography (seas)Meteorology & climatologyEnvironmental monitoring
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Vanadium isotope ratios (51V/50V) have potential to provide information about changes in past ocean oxygen contents. 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 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.
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