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Reviews in Mineralogy and Geochemistry, 2017
Iron is a ubiquitous element with a rich (i.e., complex) chemical behavior. It possesses three oxidation states, metallic iron (Fe), ferrous iron (Fe2+) and ferric iron (Fe3+). The distribution of these oxidation states is markedly stratified in the Earth.
Dauphas, Nicolas +2 more
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Iron is a ubiquitous element with a rich (i.e., complex) chemical behavior. It possesses three oxidation states, metallic iron (Fe), ferrous iron (Fe2+) and ferric iron (Fe3+). The distribution of these oxidation states is markedly stratified in the Earth.
Dauphas, Nicolas +2 more
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Geochimica et Cosmochimica Acta, 2018
In the Neoproterozoic Era there was widespread deposition of iron formations in close association with global or near glaciations. These ‘Snowball Earth’ glaciations likely played a key role in iron formation distribution and deposition.
V. Busigny +5 more
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In the Neoproterozoic Era there was widespread deposition of iron formations in close association with global or near glaciations. These ‘Snowball Earth’ glaciations likely played a key role in iron formation distribution and deposition.
V. Busigny +5 more
semanticscholar +1 more source
Isotopic exchange of iron between iron chloride and iron cupferrate
The International Journal of Applied Radiation and Isotopes, 1964Abstract Half-times of iron exchange in a homogeneous phase between iron cupferrate and iron chloride were measured. The experiments were accomplished in chloroform at temperatures ranging between 0° and −35°C.
A, ARROYO +3 more
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Physical Review, 1938
Radioactive ${\mathrm{Fe}}^{59}$ has been produced through the reactions ${\mathrm{Fe}}^{58}(d, p){\mathrm{Fe}}^{59}$ and ${\mathrm{Co}}^{59}(n, p){\mathrm{Fe}}^{59}$; the half-life is 47\ifmmode\pm\else\textpm\fi{}3 days. The emitted particles are negative electrons, most of which have a range of 0.09 grams/${\mathrm{cm}}^{2}$ Al, while a small number
J. J. Livingood, G. T. Seaborg
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Radioactive ${\mathrm{Fe}}^{59}$ has been produced through the reactions ${\mathrm{Fe}}^{58}(d, p){\mathrm{Fe}}^{59}$ and ${\mathrm{Co}}^{59}(n, p){\mathrm{Fe}}^{59}$; the half-life is 47\ifmmode\pm\else\textpm\fi{}3 days. The emitted particles are negative electrons, most of which have a range of 0.09 grams/${\mathrm{cm}}^{2}$ Al, while a small number
J. J. Livingood, G. T. Seaborg
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Oxygen Isotope Variation in Stony-Iron Meteorites
Science, 2006Asteroidal material, delivered to Earth as meteorites, preserves a record of the earliest stages of planetary formation. High-precision oxygen isotope analyses for the two major groups of stony-iron meteorites (main-group pallasites and mesosiderites) demonstrate that each group is from a distinct asteroidal source.
Greenwood, R.C. +4 more
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Biogeochemical Cycling of Iron Isotopes
Science, 2005Iron is the most abundant element on Earth that undergoes reduction-oxidation (redox) reactions. Moreover, the ratio of the iron isotopesFe andFe can change during these redox reactions. As Johnson and Beard discuss in their Perspective, this isotope fractionation has attracted interest as a way of understanding important biogeochemical ...
Clark M. Johnson, Brian L. Beard
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Electrochemically controlled iron isotope fractionation
Geochimica et Cosmochimica Acta, 2010Variations in the stable isotope abundances of transition metals have been observed in the geologic record and trying to understand and reconstruct the physical/environmental conditions that produced these signatures is an area of active research. It is clear that changes in oxidation state lead to large fractionations of the stable isotopes of many ...
Jay R. Black +2 more
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Journal of Radioanalytical Chemistry, 1980
The natural relative abundance of iron-58 has been determined by neutron activation analysis using Fe2O3 enriched in the isotope as comparator standard. The value obtained is 0.280∓0.003%. This result, while confirming a recent work, differs significantly from that listed by most commonly used reference tabulations.
W. D. James, J. J. Carni
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The natural relative abundance of iron-58 has been determined by neutron activation analysis using Fe2O3 enriched in the isotope as comparator standard. The value obtained is 0.280∓0.003%. This result, while confirming a recent work, differs significantly from that listed by most commonly used reference tabulations.
W. D. James, J. J. Carni
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2013
Iron is the most abundant element in the Earth and the 4th most abundant in the crust and mantle; Fe is involved in every stage of planetary formation and differentiation. Iron isotope ratios are robust process tracers used to understand the origin of the Solar System, planetary formation, and differentiation processes such as the moon-forming giant ...
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Iron is the most abundant element in the Earth and the 4th most abundant in the crust and mantle; Fe is involved in every stage of planetary formation and differentiation. Iron isotope ratios are robust process tracers used to understand the origin of the Solar System, planetary formation, and differentiation processes such as the moon-forming giant ...
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, 2011
This paper reports on the microscopic calculation of ground and excited states Gamow-Teller (GT) strength distributions, both in the electron capture and electron decay direction, for 54,55,56Fe.
J. Nabi
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This paper reports on the microscopic calculation of ground and excited states Gamow-Teller (GT) strength distributions, both in the electron capture and electron decay direction, for 54,55,56Fe.
J. Nabi
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