A new approach to reconstructing the composition and evolution of kimberlite melts: a case study of the archetypal Bultfontein kimberlite (Kimberley, South Africa)
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DOI: 10.1016/j.lithos.2018.01.027
Abstract: Abstract The compositions of kimberlite melts at depth and upon emplacement in the upper crust remain elusive. This can be attributed to the unquantified effects of multiple processes, such as alteration, assimilation, xenocryst contamination, and… read more here.
Keywords: kimberlite; bultfontein kimberlite; composition; approach ... See more keywords
Buoyancy of volatile-rich kimberlite melts, magma ascent, and xenolith transport
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DOI: 10.1130/g53387.1
Abstract: Kimberlite melts are primary carriers of mantle-derived carbon and hydrogen, playing an important role in Earth’s deep carbon cycle and diamond transport. Their low densities, viscosities, and vapor exsolution enable fast ascent rates. Ascending from… read more here.
Keywords: transport; volatile rich; kimberlite melts; rich kimberlite ... See more keywords