Geochemistry and cosmochemistry of potassium stable isotopes
Stable potassium isotopes are one of the emerging non-traditional isotope systems enabled
in recent years by the advance of Multi-Collector Inductively-Coupled-Plasma Mass …
in recent years by the advance of Multi-Collector Inductively-Coupled-Plasma Mass …
Potassium Isotopes in Herbaceous Plants: A Potential New Tool for C3 and C4 Plant Research
R Qu, G Han - Journal of Geophysical Research …, 2022 - Wiley Online Library
Plants play a critical role in the surficial environment, influencing energy transfer, the global
carbon cycle, and climate change. Potassium (K) controls many essential plant physiological …
carbon cycle, and climate change. Potassium (K) controls many essential plant physiological …
Potassium isotope anomalies in meteorites inherited from the protosolar molecular cloud
Y Ku, SB Jacobsen - Science Advances, 2020 - science.org
Potassium (K) and other moderately volatile elements are depleted in many solar system
bodies relative to CI chondrites, which closely match the composition of the Sun. These …
bodies relative to CI chondrites, which closely match the composition of the Sun. These …
Potassium isotope heterogeneity in the early Solar System controlled by extensive evaporation and partial recondensation
Volatiles are vital ingredients for a habitable planet. Angrite meteorites sample the most
volatile-depleted planetesimal in the Solar System, particularly for the alkali elements. They …
volatile-depleted planetesimal in the Solar System, particularly for the alkali elements. They …
Imprint of chondrule formation on the K and Rb isotopic compositions of carbonaceous meteorites
Chondrites display isotopic variations for moderately volatile elements, the origin of which is
uncertain and could have involved evaporation/condensation processes in the …
uncertain and could have involved evaporation/condensation processes in the …
The dynamic formation process of the CB chondrite Gujba
P Koefoed, O Pravdivtseva, R Ogliore, Y Jiang… - … et Cosmochimica Acta, 2022 - Elsevier
The many unique characteristics of CB chondrites have resulted in the impact hypothesis
becoming the favoured model for their formation. Here, we further investigate the formation …
becoming the favoured model for their formation. Here, we further investigate the formation …
Volatile-depletion processing of the building blocks of Earth and Mars as recorded by potassium isotopes
The stable potassium isotopic ratios (41 K/39 K) of Earth and Mars have been interpreted to
reflect either nucleosynthetic isotope anomalies or volatility-driven K depletion. Chondrites …
reflect either nucleosynthetic isotope anomalies or volatility-driven K depletion. Chondrites …
The potassium isotopic composition of CI chondrites and the origin of isotopic variations among primitive planetary bodies
P Koefoed, JA Barrat, O Pravdivtseva… - … et Cosmochimica Acta, 2023 - Elsevier
The isotopic analysis of moderately volatile elements such as K have gained significant
interest in recent years as they possess the potential to help us better understand solar …
interest in recent years as they possess the potential to help us better understand solar …
High temperature evaporation and isotopic fractionation of K and Cu
The chemical and isotopic signatures of moderately volatile elements are useful for
understanding processes of volatile depletion in planetary formation and differentiation …
understanding processes of volatile depletion in planetary formation and differentiation …
Loss and isotopic fractionation of alkali elements during diffusion-limited evaporation from molten silicate: Theory and experiments
Moderately volatile elements (MVEs) are variably depleted in planetary bodies, reflecting the
imprints of nebular and planetary processes. Among MVEs, Na, K, and Rb are excellent …
imprints of nebular and planetary processes. Among MVEs, Na, K, and Rb are excellent …