Characterisation of Q-gases and other noble gas components in the Murchison meteorite

Details Characterisation of Q-gases and other noble gas components in the Murchison meteorite Characterisation of Q-gases and other noble gas components in the Murchison meteorite

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992gecoa..56.2907w&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 56, no. 7, July 1992, p. 2907-2921. Research supported by SNSF.

Other

34

Meteoritic Composition, Murchison Meteorite, Rare Gases, Gas Composition, Isotopes, Outgassing

Scientific paper

Noble gases in several HF/HCl resistant residues of the CM2 chondrite Murchison were measured by closed-system stepped etching, in order to study the planetary gases in their major carrier 'Q'-an ill-defined minor phase, perhaps merely a set of adsorption sites. Neon, Ar, Kr, Xe, and probably also He in 'Q' of Murchison have the same isotopic and nearly the same elemental abundances as their counterparts in Allende (CV3). The isotopic composition of Ne-Q is consistent with mass-dependent fractionation of either solar wind Ne or Ne from solar energetic particles. Unlike Allende, Murchison during HNO3 attack release, besides Q-gases, large amounts of two other Ne-components, Ne-E and Ne-A3, a third subcomponent of Ne-A. This work confirms that Q-gases of well-defined composition were an important noble gas component in the early solar system an are now found in various classes of meteorites, such as carbonaceous chondrites, ureilites, and ordinary chondrites. Ne-Q may have played a role in the formation of noble gas reservoirs in terrestrial planets.

Affiliated with

Also associated with

No associations

Rating

Characterisation of Q-gases and other noble gas components in the Murchison meteorite does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Characterisation of Q-gases and other noble gas components in the Murchison meteorite, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Characterisation of Q-gases and other noble gas components in the Murchison meteorite will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1206155