Noble gas constraints on the evolution of the earth's atmosphere

Details Noble gas constraints on the evolution of the earth's atmosphere Noble gas constraints on the evolution of the earth's atmosphere

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....9413719z&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 94, Oct. 10, 1989, p. 13719-13737.

Other

33

Degassing, Earth Crust, Earth Mantle, Planetary Evolution, Primitive Earth Atmosphere, Rare Gases, Basalt, Vapor Phases

Scientific paper

A model is developed for the degassing of Xe, Ar, and He from the earth. The modeled earth is divded into three reservoirs: undegassed mantle, degassed mantle or mid-ocean ridge basalt mantle, and atmosphere plus continental crust. The model is consistent with present-day noble gas isotope ratios of Xe-129/Xe-130, Ar-40/Ar-36, and He-4/He-3 in the three reservoirs. It is shown that Ar-He isotope systematics require He to be degassed more slowly than Ar and that He is degassed faster than other gases due to its low solubility in silicate melt. Consideration is given to the relationship between isotope ratios of noble gases in the various earth reservoirs and the solubilities of the gases in basaltic melt.

Affiliated with

Also associated with

No associations

Rating

Noble gas constraints on the evolution of the earth's atmosphere 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 Noble gas constraints on the evolution of the earth's atmosphere, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Noble gas constraints on the evolution of the earth's atmosphere will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1530432