PHASE RELATIONS IN DIAMOND-FORMING CARBONATE-SILICATE-SULFIDE SYSTEMS ON MELTING
A.V. Shushkanova and Yu.A. Litvin*
Lomonosov Moscow State University, Vorob'evy Gory, Moscow, 119899, Russia
* Institute of Experimental Mineralogy, Russian Academy of Sciences,
4 ul. Institutskaya, Chernogolovka, Moscow Region, 142432, Russia
Keywords: Diamond genesis, carbonate-silicate-sulfide system, experiment
Pages: 1317-1326
Subsection: EXPERIMENTAL PETROLOGY AND MINERALOGY
Abstract
The goal of this work was to study phase relations on melting of the system CaCO3-Mg3Al2Si3O12 (pyrope)-FeS (pyrrhotite) modeling the compositions of mineral phases associated with natural diamonds. The experiments were carried out at 7 GPa and 1200-1600
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