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Book Chapter

Composition of Volatile Components in Polycrystalline Diamond Aggregates from Mir and Udachnaya Kimberlite Pipes, Yakutia

Authors
/persons/resource/stephan

Sobolev,  S. V.
2.5 Geodynamic Modelling, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Tomilenko,  A. A.
External Organizations;

Bulbak,  T. A.
External Organizations;

Logvinova,  A. M.
External Organizations;

/persons/resource/wirth

Wirth,  R.
3.5 Interface Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Sobolev, S. V., Tomilenko, A. A., Bulbak, T. A., Logvinova, A. M., Wirth, R. (2023): Composition of Volatile Components in Polycrystalline Diamond Aggregates from Mir and Udachnaya Kimberlite Pipes, Yakutia. - In: Marin, Y. (Ed.), XIII General Meeting of the Russian Mineralogical Society and the Fedorov Session. GMRMS 2021, (Springer Proceedings in Earth and Environmental Sciences), 247-253.


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5025024
Abstract
Polycrystalline aggregates of diamonds, known as bort, framesite, diamondite, are densely cemented aggregates of small (<1 mm) crystals of both transparent and dark color. The study of fluid inclusions in three samples from the Mir and Udachnaya kimberlite pipes (Yakutia) by IR spectroscopy and GC-MS methods for the first time showed the hydrocarbons and their derivatives contained in them. A total content (from 25.7 to 57.3 rel. %) significantly lower, and the amount of carbon dioxide (up to 39.5 rel. %) and water (up to 41 rel. %) is significantly higher compared to macro-diamonds from kimberlite pipes and placers in Yakutia. The assumption of the possibility of the participation of deep hydrocarbons and CO2 in the formation of diamonds is confirmed.