Interaction of Titanium Minerals and Their Melts with Diamond-Forming Media (Experiments at 7–8 GPa)
作者： Yu A Litvin , AV Bovkun , VK Garanin , None
DOI: 10.1134/S0016702918010032
关键词: Diamond 、 Ilmenite 、 Rutile 、 Chemical engineering 、 Materials science 、 Titanium 、 Kimberlite 、 Peridotite 、 Perovskite 、 Mineral 、 Geochemistry and Petrology 、 Geophysics
摘要: Melting relations in the multicomponent diamond-forming systems of upper mantle with a boundary K–Na–Mg–Fe–Ca carbonate, phases model peridotite and eclogite, carbon, titanium minerals from kimberlite (ilmenite FeTiO3, perovskite CaTiO3, rutile TiO2) were studied experimentally at 7–8 GPa 1600–1650°C. Perovskite reacts formation silicate–carbonate melts. We discovered liquid immiscibility between melts minerals, on one hand, carbonate–carbon, peridotite–carbonate–carbon, eclogite–carbonate–carbon melts, other. The solubility mineral is negligible independent their concentration experimental systems. Growth retain high efficiency. In general, results are evident for xenogenic nature inclusions diamond and, therefore, It shown that physicochemical factors may correlate content Ti do not occur during genesis silicate–carbonate–carbon parental containing
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