Selenium Isotope Paleobiogeochemistry
eBook - PDF

Selenium Isotope Paleobiogeochemistry

  1. 30 pages
  2. English
  3. PDF
  4. Available on iOS & Android
eBook - PDF

Selenium Isotope Paleobiogeochemistry

About this book

The attraction of selenium isotopes as a paleoenvironmental tracer lies in the high redox potential of selenium oxyanions (SeIV and SeVI), the dominant species in the modern ocean. The largest isotopic fractionations occur during oxyanion reduction, which makes selenium isotopes a sensitive proxy for the redox evolution of our planet. As a case study we review existing data from the Neoarchean and Paleoproterozoic, which show that significant isotopic fractionations are absent until 2.5 Ga, and prolonged isotopic deviations only appear around 2.3 Ga. Selenium isotopes have thus begun to reveal complex spatiotemporal redox patterns not reflected in other proxies.

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Table of contents

  1. Cover
  2. Title page
  3. Copyright page
  4. Selenium Isotope Paleobiogeochemistry
  5. References

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Yes, you can access Selenium Isotope Paleobiogeochemistry by Eva E. Stüeken,Michael A. Kipp in PDF and/or ePUB format, as well as other popular books in Physical Sciences & Geology & Earth Sciences. We have over one million books available in our catalogue for you to explore.