Geochemistry and cosmochemistry of potassium stable isotopes

K Wang, W Li, S Li, Z Tian, P Koefoed, XY Zheng - Geochemistry, 2021 - Elsevier
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 …

Chemical equilibrium calculations for bulk silicate earth material at high temperatures

B Fegley Jr, K Lodders, NS Jacobson - Geochemistry, 2023 - Elsevier
The chemical equilibrium distribution of 69 elements between gas and melt is modeled for
bulk silicate Earth (BSE) material over a wide P–T range (1000–4500 K, 10− 6–10 2 bar) …

Lunar soil record of atmosphere loss over eons

NX Nie, N Dauphas, ZJ Zhang, T Hopp… - Science Advances, 2024 - science.org
The Moon has a tenuous atmosphere produced by space weathering. The short-lived nature
of the atoms surrounding the Moon necessitates continuous replenishment from lunar …

Rubidium isotope fractionation during chemical weathering of granite

Z Zhang, J Ma, Z Wang, L Zhang, X He, G Zhu… - … et Cosmochimica Acta, 2021 - Elsevier
Rubidium is an active element on Earth, but whether and how its isotopes fractionate during
geological processes are not known yet. In this study, we present data showing large …

Rubidium isotope compositions of the average upper continental crust and the Himalayan leucogranites: Implications for magmatic-fluid interaction

X Hu, X Nan, X Liu, F Huang - Geochimica et Cosmochimica Acta, 2022 - Elsevier
Rubidium is a highly fluid-mobile and incompatible element. Rb isotopes have great
potential to trace the migration and enrichment of Rb in magmatic and fluid-related …

Redox condition changes caused by impacts: Insights from Chang'e-5 lunar glass beads

R Pang, J Yang, R Li, S Liu, Q Li, D Zhu, W Du, Y Liu - Science Bulletin, 2024 - Elsevier
Lunar materials are overall more reducing compared with their terrestrial counterparts, but
the mechanism remains to be elucidated. In this study, we present a possible explanation for …

Imprint of chondrule formation on the K and Rb isotopic compositions of carbonaceous meteorites

NX Nie, XY Chen, T Hopp, JY Hu, ZJ Zhang… - Science …, 2021 - science.org
Chondrites display isotopic variations for moderately volatile elements, the origin of which is
uncertain and could have involved evaporation/condensation processes in the …

Isotopic fractionation of chlorine and potassium during chloride sublimation under lunar conditions

Z Han, H Hui, H Wei, W Li - Geochimica et Cosmochimica Acta, 2023 - Elsevier
The Moon is depleted in volatile elements and compounds, and lunar samples exhibit a
wide range of Cl isotopic compositions, which is believed to result from the volatilization of …

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 …

High temperature evaporation and isotopic fractionation of K and Cu

M Neuman, A Holzheid, K Lodders, B Fegley Jr… - … et cosmochimica acta, 2022 - Elsevier
The chemical and isotopic signatures of moderately volatile elements are useful for
understanding processes of volatile depletion in planetary formation and differentiation …