Metal stable isotope signatures as tracers in environmental geochemistry

JG Wiederhold - Environmental science & technology, 2015 - ACS Publications
The biogeochemical cycling of metals in natural systems is often accompanied by stable
isotope fractionation which can now be measured due to recent analytical advances. In …

Iron isotope systematics

N Dauphas, SG John, O Rouxel - Reviews in Mineralogy …, 2017 - pubs.geoscienceworld.org
Iron Isotope Systematics | Reviews in Mineralogy and Geochemistry | GeoScienceWorld
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First-principles estimates of equilibrium magnesium isotope fractionation in silicate, oxide, carbonate and hexaaquamagnesium (2+) crystals

EA Schauble - Geochimica et Cosmochimica Acta, 2011 - Elsevier
Equilibrium mass-dependent magnesium isotope fractionation factors are estimated for a
range of crystalline compounds including oxides, silicates, carbonates, and salts containing …

High-temperature equilibrium isotope fractionation of non-traditional stable isotopes: Experiments, theory, and applications

ED Young, CE Manning, EA Schauble, A Shahar… - Chemical …, 2015 - Elsevier
High-temperature partitioning of the stable isotopes of rock-forming elements like Mg, Si, Fe,
Ni and others are useful new tools in geochemistry and cosmochemistry. Understanding the …

The effect of bonding environment on iron isotope fractionation between minerals at high temperature

PA Sossi, HSC O'Neill - Geochimica et Cosmochimica Acta, 2017 - Elsevier
Central to understanding the processes that drive stable isotope fractionation in nature is
their quantification under controlled experimental conditions. The polyvalent element iron …

Isotopic fractionation of Mg2+ (aq), Ca2+ (aq), and Fe2+ (aq) with carbonate minerals

JR Rustad, WH Casey, QZ Yin, EJ Bylaska… - … et Cosmochimica Acta, 2010 - Elsevier
Density-functional electronic structure calculations are used to compute the equilibrium
constants for 26Mg/24Mg and 44Ca/40Ca isotope exchange between carbonate minerals …

Iron isotope fractionation between aqueous ferrous iron and goethite

BL Beard, RM Handler, MM Scherer, L Wu… - Earth and Planetary …, 2010 - Elsevier
The equilibrium Fe isotope fractionation factor between aqueous Fe (II) and goethite has
been experimentally measured to be− 1.05±0.08‰ in 56Fe/54Fe (2σ) at 22° C, using the …

Iron isotope systematics in planetary reservoirs

PA Sossi, O Nebel, J Foden - Earth and Planetary Science Letters, 2016 - Elsevier
Iron is the only polyvalent major element, and controls reduction–oxidation (redox) reactions
in a host of geologic processes and reservoirs, from the mineral-to planetary-scale, on Earth …

Iron and carbon isotope evidence for microbial iron respiration throughout the Archean

PR Craddock, N Dauphas - Earth and Planetary Science Letters, 2011 - Elsevier
Banded Iron-Formations (BIFs) are voluminous chemical sediments that are rich in iron-
oxide, carbonate and silica and whose occurrence is unique to the Precambrian. Their …

First-principles calculations of equilibrium Mg isotope fractionations between garnet, clinopyroxene, orthopyroxene, and olivine: Implications for Mg isotope …

F Huang, L Chen, Z Wu, W Wang - Earth and Planetary Science Letters, 2013 - Elsevier
Equilibrium fractionation factors of Mg isotopes at high temperature and pressure are
investigated for pyrope, majorite, clinopyroxene, orthopyroxene, and olivine using density …