STRUCTURE, MORPHOLOGY, AND COMPOSITION OF NATURAL GAS HYDRATES SAMPLED IN THE KEDR-1 MUD VOLCANO (LAKE BAIKAL)

Structure, morphology, and composition of the gas for natural gas hydrates sampled in the Kedr-1 mud volcano (Lake Baikal) are studied. It is shown that all these hydrates have cubic structure II, and the hydrate‐bound gas contains about 14% of ethane (the rest is methane). One of the samples is a p...

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Veröffentlicht in:Journal of structural chemistry 2021, Vol.62 (6), p.889-896
Hauptverfasser: Manakov, A. Yu, Khlystov, O. M., Sagidullin, A. K., Adamova, T. P., Khabuev, A., Rodionova, T. V., Yunoshev, A. S.
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container_end_page 896
container_issue 6
container_start_page 889
container_title Journal of structural chemistry
container_volume 62
creator Manakov, A. Yu
Khlystov, O. M.
Sagidullin, A. K.
Adamova, T. P.
Khabuev, A.
Rodionova, T. V.
Yunoshev, A. S.
description Structure, morphology, and composition of the gas for natural gas hydrates sampled in the Kedr-1 mud volcano (Lake Baikal) are studied. It is shown that all these hydrates have cubic structure II, and the hydrate‐bound gas contains about 14% of ethane (the rest is methane). One of the samples is a porous monolithic hydrate layer sandwiched between the layers of hydrate granules. The hydrate has similar structures and compositions in the layer and in the granules. As far as we know, no such morphology features of natural hydrates have been reported so far. Possible mechanisms underlying the formation of such objects are discussed.
doi_str_mv 10.1134/S0022476621060081
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subjects Atomic
Atomic/Molecular Structure and Spectra
Chemistry
Chemistry and Materials Science
Composition
Ethane
Gas hydrates
Granular materials
Inorganic Chemistry
Molecular
Morphology
Mud
Natural gas
Optical and Plasma Physics
Physical Chemistry
Solid State Physics
Volcanoes
title STRUCTURE, MORPHOLOGY, AND COMPOSITION OF NATURAL GAS HYDRATES SAMPLED IN THE KEDR-1 MUD VOLCANO (LAKE BAIKAL)
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