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"Recycled" volatiles in mantle-derived diamonds - Evidence from nitrogen and noble gas isotopic data

Mohapatra, R.K.; Honda, Masahiko


Noble gas isotopic data from diamonds are commonly interpreted as a two component mixture of gases from the mantle source of mid oceanic ridge basalt (MORB) and air. The air-like component in diamonds is generally considered to have been acquired secondarily through atmospheric contamination. In a recent study [C. Gautheron, P. Cartigny, M. Moreira, J.W. Harris, C.J. Allègre, Evidence for a mantle component shown by rare gases, C and N isotopes in polycrystalline diamonds from Orapa (Botswana),...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Earth and Planetary Science Letters
DOI: 10.1016/j.epsl.2006.09.025


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