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Research Article| January 01, 2004 Fe Isotope Variations in the Modern and Ancient Earth and Other Planetary Bodies Brian L. Beard; Brian L. Beard Department of Geology and Geophysics, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, Wisconsin 53706, U.S.A. Search for other works by this author on: GSW Google Scholar Clark M. Johnson Clark M. Johnson Department of Geology and Geophysics, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, Wisconsin 53706, U.S.A. Search for other works by this author on: GSW Google Scholar Author and Article Information Brian L. Beard Department of Geology and Geophysics, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, Wisconsin 53706, U.S.A. Clark M. Johnson Department of Geology and Geophysics, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, Wisconsin 53706, U.S.A. Publisher: Mineralogical Society of America First Online: 03 Mar 2017 © The Mineralogical Society Of America Reviews in Mineralogy and Geochemistry (2004) 55 (1): 319–357. https://doi.org/10.2138/gsrmg.55.1.319 Article history First Online: 03 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Brian L. Beard, Clark M. Johnson; Fe Isotope Variations in the Modern and Ancient Earth and Other Planetary Bodies. Reviews in Mineralogy and Geochemistry 2004;; 55 (1): 319–357. doi: https://doi.org/10.2138/gsrmg.55.1.319 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyReviews in Mineralogy and Geochemistry Search Advanced Search Iron, the fourth most abundant element in the Earth's crust, has four naturally occurring stable isotopes: 54Fe (5.84%), 56Fe (91.76%), 57Fe (2.12%), and 58Fe (0.28%), and the natural, mass-dependent isotope variations of Fe in the rock record span a range of ~4 per mil (‰) in 56Fe/54Fe ratios (Fig. 11). The field of Fe isotope geochemistry is relatively new but has received considerable attention because it may allow us to gain a better understanding of how Fe is cycled in different environments. Iron typically occurs as either reduced ferrous Fe in... You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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Beard et al. (2004) studied this question.
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