On genesis of organic matter in bottom sediments of hydrothermal field Ashadze-1, 13° N MAR |
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| Authors: | V I Petrova A V Kursheva I V Litvinenko I P Morgunova T V Stepanova G A Cherkashev |
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| Institution: | (1) Population, Family, and Reproductive Health Department, Johns Hopkins School of Public Health, 615 North Wolfe Street, E4148, Baltimore, MD 21205, USA;(2) Community Health Nursing, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania;(3) Microbiology and Immunology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania |
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| Abstract: | Comparative study of genesis and structure of dispersed organic matter (DOM) from background pelagic bottom sediments and
sediments inside an active hydrothermal field Ashadze-1 collected during the cruise of the R/V “Professor Logachev” in 2003 was carried out. The received results allow to speak about an essential originality of structure and distribution
of DOM in bottom sediments of the field Ashadze-1, according to unique physical and chemical conditions and facial specificity
of sedimentation in hydrothermal zones. At the same time, attributes of petroleum hydrocarbons abiogenic synthesis hasn’t
been fixed. Opposite, the received data allow to consider the process of fast maturing of biogenic OM in hydrothermal systems
as a major factor of HC formation. |
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