Mantle-derived fluids in diamond micro-inclusions

Details Mantle-derived fluids in diamond micro-inclusions Mantle-derived fluids in diamond micro-inclusions

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.335..784n&link_type=abstract

Nature (ISSN 0028-0836), vol. 335, Oct. 27, 1988, p. 784-789. NSF-NASA-supported research.

Computer Science

73

Diamonds, Earth Mantle, Geomorphology, Inclusions, Abundance, Botswana, Chemical Composition, Fourier Transformation, Infrared Spectroscopy, Zaire

Scientific paper

Microinclusions in diamonds from Zaire and Botswana differ in composition from the more common large inclusions of the peridotitic or eclogitic assemblages. These sub-micrometer 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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