Origin of rare gases in the earth

Details Origin of rare gases in the earth Origin of rare gases in the earth

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.284..313o&link_type=abstract

Nature, vol. 284, Mar. 27, 1980, p. 313-316.

Computer Science

6

Atmospheric Composition, Earth Atmosphere, Gas Composition, Planetary Evolution, Rare Gases, Chondrites, Degassing, Fractionation, Neon Isotopes, Protoplanets, Xenon Isotopes

Scientific paper

Although terrestrial rare gases have elemental abundances similar to those of meteorites (planetary-type rare gases), their Ne and Xe isotopic compositions are quite different which suggests that degassing of meteoritic materials alone cannot explain the atmospheric rare gases. The terrestrial rare gases must contain heavily fractionated rare gases captured by planetesimals during a fragmentation process (planetesimal-type rare gases) as well as the planetary type rare gases.

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