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Systematic elemental fractionation of mantle-derived helium, neon and argon in mid-oceanic ridge glasses

Honda, Masahiko; Patterson, Desmond


Based on the proposition that the Earth contains solar-like, nucleogenic and atmosphere-derived neon components, we calculate the amounts of solar-derived22Ne(s) and nucleogenic21Ne(*) present in a sample. The amounts of22Ne(s) and21Ne(*) can then be compared with the amounts of primordial3He and radiogenic4He. The3He/22Ne(s) and4He/21Ne(*) ratios observed in basaltic glasses from mid-oceanic ridges (MORBs) vary by almost 2 orders of magnitude and define a linear correlation with a slope of...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/S0016-7037(99)00206-9


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