Noble Gases in Lava Rock from Mount Capulin, New Mexico
Noble gases in lava rocks from Mount Capulin crater cone contain "parentless" 40Ar and xenon trapped from the hot magma. The isotopic composition of the xenon is consistent with a mixture of 90% atmospheric and 10% solar xenon, but no radiogenic 129Xe has been observed. These results do not support an earlier suggestion that radiogenic 129Xe, found in CO2 gas from this region of New Mexico, had been transported in hot magmas.
E. W. Hennecke and O. Manuel, "Noble Gases in Lava Rock from Mount Capulin, New Mexico," Nature, vol. 256, pp. 284-287, Nature Publishing Group, Jul 1975.
The definitive version is available at http://dx.doi.org/10.1038/256284a0
Mount Capulin, New Mexico
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© 1975 Nature Publishing Group, All rights reserved.