Understanding microtektite formation: Potassium isotope evidence for condensation in a vapor plumeOPEN ACCESS
Piers Koefoed, Luigi Folco, Gianfranco Di Vincenzo, Nicole X. Nie, Billy P. Glass, Mason Neuman, Kun Wang (王昆) Geochimica et Cosmochimica ActaAvailable online 2 July 2024 LINK (OPEN ACCESS) “Tektite and microtektite formation have important…
Extracting very small amounts of potassium from iron meteorites for the analysis of potassium isotope ratiosOPEN ACCESS
H. Khan, I. Leya, J. Hoffmann, K. Mezger Advances in Space ResearchAvailable online 10 May 2024 LINK (OPEN ACCESS) “The isotope abundance of cosmogenic K, especially the ratios of cosmogenic 40K/41K, can be used to…
Pervasive aqueous alteration in the early Solar System revealed by potassium isotopic variations in Ryugu samples and carbonaceous chondrites
Yan Hu, Frédéric Moynier, Wei Dai, Marine Paquet, Tetsuya Yokoyama, Yoshinari Abe, Jérôme Aléon, Conel M.O’D. Alexander, Sachiko Amari, Yuri Amelin, Ken-ichi Bajo, Martin Bizzarro, Audrey Bouvier, Richard W. Carlson, Marc Chaussidon, Byeon-Gak Choi, Nicolas…
Volatile-depletion processing of the building blocks of Earth and Mars as recorded by potassium isotopes
Yan Hu, Frédéric Moynier, Xin Yang Earth and Planetary Science LettersVolume 620, 15 October 2023, 118319 LINK “The stable potassium isotopic ratios (41K/39K) of Earth and Mars have been interpreted to reflect either nucleosynthetic isotope…
The Potassium Isotopic Composition of CI Chondrites and the Origin of Isotopic Variations among Primitive Planetary Bodies
Piers Koefoed, Jean-Alix Barrat, Olga Pravdivtseva, Conel M. O’D. Alexander, Katharina Lodders, Ryan Ogliore, Kun Wang Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 August 2023 LINK “The isotopic analysis of moderately volatile…
Potassium isotope heterogeneity in the early Solar System controlled by extensive evaporation and partial recondensationOPEN ACCESS
Yan Hu, Frédéric Moynier & Martin Bizzarro Nature Communications, Volume 13, Article number: 7669Published: 12 December 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Volatiles are vital ingredients for a habitable planet. Angrite meteorites sample the most…
The Dynamic Formation Process of the CB Chondrite Gujba
Piers Koefoed, Olga Pravdivtseva, Ryan Ogliore, Yun Jiang, Katharina Lodders, Mason Neuman, Kun Wang (王昆) Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 June 2022 LINK “The many unique characteristics of CB chondrites…
Imprint of chondrule formation on the K and Rb isotopic compositions of carbonaceous meteoritesOPEN ACCESS
Nicole X. Nie, Xin-Yang Chen, Timo Hopp, Justin Y. Hu, Zhe J. Zhang, Fang-Zhen Teng, Anat Shahar and Nicolas Dauphas Science Advances • 1 Dec 2021 • Vol 7, Issue 49 LINK (OPEN ACCESS)PDF (OPEN…
Potassium isotope composition of Mars reveals a mechanism of planetary volatile retention
Zhen Tian, Tomáš Magna, James M. D. Day, Klaus Mezger, Erik E. Scherer, Katharina Lodders, Remco C. Hin, Piers Koefoed, Hannah Bloom, and Kun Wang PNAS, September 28, 2021 118 (39) LINK “The abundances of…
Geochemistry and Cosmochemistry of potassium stable isotopes
Kun Wang, Weiqiang Li, Shilei Li, Zhen Tian, Piers Koefoed, Xin-Yuan Zheng INVITED REVIEW GeochemistryIn Press, Journal Pre-proof, Available online 9 June 2021 LINK “Stable potassium isotopes are one of the emerging non-traditional isotope systems…
K Isotope Systematics of the CB Chondrite Gujba: Testing the Impact Plume Model of Formation
Koefoed P., Pravdivtseva O., Ogliore R., Jiang Y., Lodders K. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2310 PDF “High-precision K isotope analysis of chondrule and bulk fractions from the CB chondrite…
Early solar system aqueous activity: K isotope evidence from Allende
Yun Jiang, Piers Koefoed, Olga Pravdivtseva, Heng Chen, Chun‐Hui Li, Fang Huang, Li‐Ping Qin, Jia Liu, Kun Wang Meteoritics & Planetary ScienceVersion of Record online: 24 November 2020 LINK “The alkali element K is moderately…
Potassium isotope systematics of the LL4 chondrite Hamlet: Implications for chondrule formation and alteration
Piers Koefoed, Olga Pravdivtseva, Heng Chen, Carina Gerritzen, Maxwell M. Thiemens, Kun Wang Meteoritics & Planetary ScienceVersion of Record online:27 July 2020 LINK “Here, we apply recently developed high‐precision K isotope analyses to individual components…
Potassium Isotope Compositions of Carbonaceous and Ordinary Chondrites: Implications on the Origin of Volatile Depletion in the Early Solar SystemOPEN ACCESS
Hannah Bloom, Katharina Lodders, Heng Chen, Chen Zhao,Zhen Tian, Piers Koefoed, Mária K.Pető, Yun Jiang, Kun Wang (王昆) Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 23 March 2020 PDF (OPEN ACCESS) LINK…
Potassium isotopic compositions of howardite-eucrite-diogenite meteorites
Zhen Tian, Heng Chen, Bruce Fegley, Katharina Lodders, Jean-Alix Barrat, James M.D.Day, Kun Wang (王昆) Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 21 August 2019 LINK “We report new high-precision stable K…
Potassium isotopic compositions of enstatite meteoritesOPEN ACCESS
Chen Zhao, Katharina Lodders, Hannah Bloom, Heng Chen, Zhen Tian, Piers Koefoed, Mária K. Pető, Kun Wang (王昆) Meteoritics & Planetary Science First Published: 21 July 2019 LINK Update (20 February 2020): PDF (OPEN ACCESS)…
