| Article # 37_2012 | submitted on 06/20/2012 displayed on website on 07/06/2012 |
| 18 p. | Morgunova I.P., Petrova V.I., Litvinenko I.V., Cherkashev G.A. |
| Features of the organic matter transformation processes in bottom sediments of the deep-ocean hydrothermal zones (Mid-Atlantic ridge) | |
| The comparative study of the dissolved organic matter composition and distribution in the surface bottom sediments of the Semenov hydrothermal field (Mid-Atlantic ridge) has been carried out. The samples were collected during the cruise of the research vessel “Professor Logachev” in 2009. The study of the long-term transformation of the organic matter of hydrothermal bottom sediments in oxidizing conditions under heightened temperatures allows to assume that the increasing content of hydrocarbons for this region is caused by biosynthesis and further thermocatalitic transformation of the biogenic matter. The influence of the abiogenic processes hasn’t been detected. The analysis of the group composition of the organic matter allows to conclude, that the main transformation processes of the organic matter are on the fraction level and are accompanied with decreasing of oil and increasing of more condensed resinous-asphaltenic components. Key words: dispersed organic matter, bottom sediments, hydrocarbons genesis, biomarkers, hydrothermal field, gas chromatography-mass spectrometry, Mid-Atlantic ridge. |
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| article citation | Morgunova I.P., Petrova V.I., Litvinenko I.V., Cherkashev G.A. Osobennosti protsessov transformatsii organicheskogo veshchestva donnykh osadkov glubokovodnykh gidrotermal'nykh sistem (Sredinno-Atlanticheskiy khrebet) [Features of the organic matter transformation processes in bottom sediments of the deep-ocean hydrothermal zones (Mid-Atlantic ridge)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2012, vol. 7, no. 3, available at: http://www.ngtp.ru/rub/1/37_2012.pdf |
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