Noble gas geochemistry of fluid inclusions in South African diamonds: implications for the origin of diamond-forming fluids
Fibrous diamond growth zones often contain abundant high-density fluid (HDF) inclusions and these provide the most direct information on diamond-forming fluids. Noble gases are incompatible elements and particularly useful in evaluating large-scale mantle processes. This study further constrains the evolution and origin of the HDFs by combining noble gas systematics with δ13C, N concentrations, and fluid inclusion compositions for 21 individual growth zones in 13 diamonds from the Finsch...[Show more]
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|Source:||Mineralogy and Petrology|
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