Reconstructing paleoredox conditions through a multitracer approach: The key to the past is the present

Silke Severmann, Ariel Anbar

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Knowledge about paleoredox conditions is essential for reconstructing how the oxygenation of the Earth's surface environment has changed through time and affected the evolution of life on our planet. Some metal stable isotope systems, such as Mo isotopes, record the extent of ocean oxygenation directly. Others, such as Fe isotopes, record redox conditions indirectly through their effects on biological processes that are sensitive to the presence of oxygen. Studies of modern analogs and experiments have improved our understanding of the processes responsible for the observed isotope trends and have helped to advance the use of these isotope tools for paleoredox reconstructions.

Original languageEnglish (US)
Pages (from-to)359-364
Number of pages6
JournalElements
Volume5
Issue number6
DOIs
StatePublished - Dec 2009

Keywords

  • Evolution of life
  • Paleoenvironmental reconstruction
  • Paleoredox proxies
  • Transition metal isotopes

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Earth and Planetary Sciences (miscellaneous)

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