Mantle-derived fluids in diamond micro-inclusions

O. Navon; I. D. Hutcheon; G. R. Rossman; G. J. Wasserburg

doi:10.1038/335784a0

Mantle-derived fluids in diamond micro-inclusions

O. Navon^*
, I. D. Hutcheon
, G. R. Rossman
, G. J. Wasserburg

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

470 Scopus citations

Abstract

Micro-inclusions in diamonds from Zaire and Botswana differ in composition from the more common large inclusions of the peridotitic or eclogitic assemblages. These sub-micrometre inclusions resemble potassic magmas in their composition, but are enriched in H₂O, CO^2-₃ and K₂O and depleted in MgO. This composition represents a volatile-rich fluid or melt from the upper mantle, which was trapped in the diamonds as they grew.

Original language	English
Pages (from-to)	784-789
Number of pages	6
Journal	Nature
Volume	335
Issue number	6193
DOIs	https://doi.org/10.1038/335784a0
State	Published - 1988
Externally published	Yes

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abstract = "Micro-inclusions in diamonds from Zaire and Botswana differ in composition from the more common large inclusions of the peridotitic or eclogitic assemblages. These sub-micrometre inclusions resemble potassic magmas in their composition, but are enriched in H2O, CO2-3 and K2O and depleted in MgO. This composition represents a volatile-rich fluid or melt from the upper mantle, which was trapped in the diamonds as they grew.",

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N2 - Micro-inclusions in diamonds from Zaire and Botswana differ in composition from the more common large inclusions of the peridotitic or eclogitic assemblages. These sub-micrometre inclusions resemble potassic magmas in their composition, but are enriched in H2O, CO2-3 and K2O and depleted in MgO. This composition represents a volatile-rich fluid or melt from the upper mantle, which was trapped in the diamonds as they grew.

AB - Micro-inclusions in diamonds from Zaire and Botswana differ in composition from the more common large inclusions of the peridotitic or eclogitic assemblages. These sub-micrometre inclusions resemble potassic magmas in their composition, but are enriched in H2O, CO2-3 and K2O and depleted in MgO. This composition represents a volatile-rich fluid or melt from the upper mantle, which was trapped in the diamonds as they grew.

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Mantle-derived fluids in diamond micro-inclusions

Abstract

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