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Fractionation of Fe isotopes as a result of redox process in a basin
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0003-4505-4590
Analytica AB.
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2005 (English)In: Geohimiâ, ISSN 0016-7525, Vol. 43, no 8, p. 878-885Article in journal (Refereed) Published
Abstract [en]

This paper presents the results of a study of Fe isotope fractionation due to seasonal redox variations in water and bottom sediments (BS) of fresh-water basins. Fe isotopic ratios were measured using multicollector inductively coupled plasma mass spectrometry (MC-ICP-MS). The investigation of suspended matter (SM) at the oxic-anoxic interface showed a significant positive shift in δ56Fe values between anoxic waters with dissolved Fe(II) and SM after Fe(II) oxidation and precipitation of Fe(III) oxides. Data on Fe content and isotope composition suggest that Fe(II) oxidation is accompanied by equilibrium Fe isotope fractionation. Potentials and limitations of the use of Fe isotope data for the reconstruction of pre-existing geochemical conditions in basins are outlined

Place, publisher, year, edition, pages
2005. Vol. 43, no 8, p. 878-885
National Category
Geochemistry
Research subject
Applied Geology
Identifiers
URN: urn:nbn:se:ltu:diva-7930Local ID: 65d60910-9cae-11db-8975-000ea68e967bOAI: oai:DiVA.org:ltu-7930DiVA, id: diva2:980820
Note

Validerad; 2005; 20070105 (bajo)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-02-26Bibliographically approved

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Malinovskiy, DmitryRodushkin, IlyaShcherbakova, ElenaÖhlander, BjörnIngri, Johan

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Geosciences and Environmental Engineering
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Geohimiâ
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