Iron stable isotopes: Beyond biosignatures

Research output: Contribution to journalArticlepeer-review

152 Scopus citations

Abstract

The stable isotope geochemistry of Fe has attracted intense interest in the past five years. This interest was originally motivated by the possible use of Fe isotopes in biosignature applications, particularly in sediments from the ancient Earth or Mars. This application is still being developed, with particular attention to fractionation mechanisms. Understanding such mechanisms should also provide new insights into the environmental biogeochemistry of Fe. At the same time, the Fe isotope system holds promise for other exciting frontiers, including applications in oceanography, solid Earth geochemistry and biomedicine. Such applications will be increasingly attractive as Fe isotope analysis becomes routine.

Original languageEnglish (US)
Pages (from-to)223-236
Number of pages14
JournalEarth and Planetary Science Letters
Volume217
Issue number3-4
DOIs
StatePublished - Jan 15 2004
Externally publishedYes

Keywords

  • Biosignatures
  • Fractionation
  • Iron
  • Iron isotopes
  • MC-ICP-MS
  • Stable isotope geochemistry
  • Transition metals

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

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