Encyclopedia of Geochemistry

Living Edition
| Editors: William M. White

Xenon Isotopes

  • Sujoy Mukhopadhyay
Living reference work entry
DOI: https://doi.org/10.1007/978-3-319-39193-9_203-1


Xenon is an inert gas and belongs to group VIIIA of the periodic table. Xenon has nine stable isotopes, second only to tin. The nine xenon isotopes are 124Xe, 126Xe, 128Xe, 129Xe, 130Xe, 131Xe, 132Xe, 134Xe, and 136Xe. Of these isotopes, 124,126,128,130Xe are nonradiogenic, 129Xe is radiogenic and 131,132,134,136Xe are fissiogenic. The relative abundances of these isotopes in the atmosphere are 0.095%, 0.089%, 1.910%, 26.4%, 4.017%, 21.23%, 26.91%, 10.44%, and 8.86%, respectively. The isotopic abundances in other reservoirs, such as crust, mantle, or groundwater, differ from the atmospheric abundances due to fractionation of I-Xe, U-Xe, and Pu-Xe and subsequent radioactive decay. This contribution will focus on the Xe isotopes in the solid Earth and atmosphere.


Measurements of xenon isotopes in mantle-derived basalts provide information on processes as varied as volatile accretion, mantle degassing history, styles of mantle convection, and volatile exchange...

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Department of Earth and Planetary SciencesUniversity of California DavisDavisUSA