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The Uranium Isotope Paleoredox Proxy: Elements in Geochemical Tracers in Earth System Science

Autor Kimberly V. Lau, Stephen J. Romaniello, Feifei Zhang
en Limba Engleză Paperback – 28 aug 2019
Uranium isotopes (238U/235U) have emerged as a proxy to reconstruct the redox conditions of the Earth's oceans and atmosphere based upon the large isotopic fractionation between reduced U(IV) and oxidized U(VI). Variations in 238U/235U, particularly when recorded in carbonate sediments, can track global trends in marine oxygenation and de-oxygenation. It is unique from other proxies because reduction primarily occurs at the sediment-water interface, and this sensitivity makes U isotopes especially relevant for the habitability of benthic animals. This Element covers the background, methods, and case studies of this promising tool for understanding Earth's environmental transitions, as rapid development continues to refine the accuracy of interpretations of 238U/235U records.
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Specificații

ISBN-13: 9781108731119
ISBN-10: 1108731112
Pagini: 30
Ilustrații: 4 b/w illus.
Dimensiuni: 152 x 229 x 3 mm
Greutate: 0.06 kg
Editura: Cambridge University Press
Colecția Cambridge University Press
Seria Elements in Geochemical Tracers in Earth System Science

Locul publicării:Cambridge, United Kingdom

Cuprins

1. Introduction; 2. Systematics of the uranium isotope paleoredox proxy; 3. Materials and methods; 4. Case studies; 5. Outlook; 6. Key papers.

Descriere

Covers the background, methods, and case studies of uranium isotopes (238U/235U), a tool for understanding Earth's environmental transitions.