Morphological Features of Diamond Crystals Resulting from Dissolution in a Fe–Ni–S Melt under High Pressure

I. A. Gryaznov, E. I. Zhimulev, V. M. Sonin, E. S. Lindenblot, A. A. Chepurov, N. V. Sobolev

Результат исследования: Научные публикации в периодических изданияхстатья

Аннотация

The primary results are presented on the dissolution of plane-faced diamond crystals of octahedral habit in a Fe–Ni–S melt under 3.5 GPa and 1400°C. It was found that the dissolution resulted in the transformation of plane-faced into curve-faced individuals of morphological features characteristic for kimberlite diamonds. It was concluded that the diamond forms as such might have formed in reduced domains of the Earth’s mantle before becoming involved in the kimberlite magma.

Язык оригиналаанглийский
Страницы (с-по)1449-1452
Число страниц4
ЖурналDoklady Earth Sciences
Том489
Номер выпуска2
DOI
СостояниеОпубликовано - 1 дек 2019

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