Peculiarities of the composition of volatile components in picroilmenites from Yakutian kimberlites of various ages (by gas chromatography—mass spectrometry)

A. A. Tomilenko, T. A. Bul’bak, L. N. Pokhilenko, D. V. Kuzmin, N. V. Sobolev

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9 Citations (Scopus)

Abstract

The composition of volatile components in picroilmenites from Yakutian kimberlitic pipes of various ages (the Olivinovaya, Malokuonapskaya, and Udachnaya–East pipes) was studied for the first time by means of gas chromatography–mass spectrometry (GC-MS). It was shown that picroilmenites and olivines from same kimberlitic pipes contained volatile components of close composition, whereas these components were quite different in these minerals from different pipes. These features point to a common source and represent the specificity of the magma chamber formed under the pronounced influence of hydrocarbons with their derivates, as well as nitrogen-, chlorine-, and sulfur-containing compounds. The fraction of hydrocarbons and derivates in the composition of volatile matter is as high as 99%, including 9.7% of chlorine- and fluorinecontaining compounds.

Original languageEnglish
Pages (from-to)690-694
Number of pages5
JournalDoklady Earth Sciences
Volume469
Issue number1
DOIs
Publication statusPublished - 1 Jul 2016

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