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Nuclear volume effects in kinetic isotope fractionation: A case study of mercury oxidation by chlorine species
It is well-known that the equilibrium isotope fractionation of mercury (Hg) includes classical mass-dependent fractionations (MDFs) and nuclear...
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Rebuilding the theory of isotope fractionation for evaporation of silicate melts under vacuum condition
Isotope effects are pivotal in understanding silicate melt evaporation and planetary accretion processes. Based on the Hertz–Knudsen equation, the...
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Revealing the role of crystal chemistry in REE fractionation in skarn garnets: insights from lattice-strain theory
Garnet is a prominent mineral in skarn deposits and its rare earth elements (REE) geochemistry is pivotal for understanding skarn mineralization and...
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Microbially mediated kinetic sulfur isotope fractionation: reactive transport modeling benchmark
Microbially mediated sulfate reduction is a ubiquitous process in many subsurface systems. Isotopic fractionation is characteristic of this anaerobic...
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Diffusion mechanism of deep shale gas and its carbon isotope fractionation: a combined simulated and mathematical analysis
Unlike the release pressure process in shale gas exploitation, in this study, the concentration diffusion process is deeply discussed under constant...
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Zircon Zr isotope fractionation during crustal anatexis
Zirconium is one of high field strength elements but its isotope behavior during geochemical processes is still uncertain because of the limited...
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The effect of Fe–Ti oxide separation on iron isotopic fractionation during basalt differentiation
Separation of Fe–Ti oxides during magmatic differentiation plays an important role in controlling Fe isotopic evolution of residual magmas....
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Iron isotopic fractionation during eclogite anatexis and adakitic melt evolution: insights into garnet effect on Fe isotopic variations in high-silica igneous rocks
How and what extent residual garnet in the source and garnet fractionation contribute to the heavy Fe isotopic compositions in high-silica igneous...
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Trace element fractionation between biotite, allanite, and granitic melt
The partitioning of a large suite of trace elements between biotite and water-saturated granitic melt was measured at 2 kbar and 700—800 ˚C. To reach...
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Isotope Rollover of Gaseous Hydrocarbons Induced by Water Pressure in Laboratory Pyrolysis Experiments: Insights into the Influence of Pressure on Carbon Kinetic Isotope Effects During Methane Generation
Stable carbon isotope (δ 13 C) rollover of natural gas has attracted recent attention due to its association with highly productive shale gas. However,...
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Copper and zinc isotope variations in ferromanganese crusts and their isotopic fractionation mechanism
Ferromanganese (Fe-Mn) crusts are potential archives of the Cu and Zn isotope compositions of seawater through time. In this study, the Cu and Zn...
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Specific Natural Isotope Fractionation Studied by 2H Nuclear Magnetic Resonance (SNIF-NMR): History, Developments, and Applications
Food authentication is the analytical process to verify that a food product is in compliance with its label description (Danezis et al., Curr Opin...
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Isotope Fractionation Processes of Selected Elements
The foundations of stable isotope geochemistry were laid in 1947 by Urey’s classic paper on the thermodynamic properties of isotopic substances and...
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Fe Isotope Fractionation Factors
The Fe isotope system is used in a variety of Earth and planetary science fields, including high- and low-temperature applications. We have a...
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Theoretical study of kinetic isotope effects for vacancy diffusion of impurity in solids
Theoretical studies of the diffusional isotope effect in solids are still stuck in the 1960s and 1970s. With the development of high spatial...
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Equilibrium-Kinetic Calculation of Olivine Serpentinization. A Comparison with the Model Experiment
Abstract—The GEOCHEQ_M and GEOCHEQ_Isotope databases and codes were used to simulate the evolution of chemical interactions with time in the closed...
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Nitrogen isotopic fractionation of particulate organic matter production and remineralization in the Prydz Bay and its adjacent areas
During the 29th Chinese National Antarctic Research Expedition, spatial variations in nitrogen isotopic composition of particulate nitrogen (δ 15 N PN )...
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Titanium-rich basaltic melts on the Moon modulated by reactive flow processes
The origin of titanium-rich basaltic magmatism on the Moon remains enigmatic. Ilmenite-bearing cumulates in the lunar mantle are often credited as...
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Carbon isotope fractionation during shale gas transport: Mechanism, characterization and significance
The gas in-place (GIP) content and the ratio of adsorbed/free gas are two key parameters for the assessment of shale gas resources and have thus...
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Mineralogy and petrology of lamprophyre and dolerite dykes from the end-Cretaceous (~ 66 Ma) Phenaimata alkaline igneous complex, north-western India: evidence for open magma chamber fractionation, mafic recharge, and disaggregation of crystal mush zone in a large igneous province
The end-Cretaceous ( ca . 66 Ma) Phenaimata alkaline igneous complex, associated in space and time with the Deccan large igneous province (LIP) in...
