Acoustic investigations of mud volcanoes in the Sorokin Trough, Black Sea.

Krastel-Gudegast, Sebastian, Spiess, V., Ivanov, M.K., Weinrebe, Reimer Wilhelm, Bohrmann, Gerhard, Shashkin, P. and Heidersdorf, F. (2003) Acoustic investigations of mud volcanoes in the Sorokin Trough, Black Sea. Geo-Marine Letters, 23 (3-4). pp. 230-238. DOI 10.1007/s00367-003-0143-0.

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The Sorokin Trough (Black Sea) is characterized by diapiric structures formed in a compressional tectonic regime that facilitate fluid migration to the seafloor. We present acoustic data in order to image details of mud volcanoes associated with the diapirs. Three types of mud volcanoes were distinguished: cone-shaped, flat-topped, and collapsed structures. All mud volcanoes, except for the Kazakov mud volcano, are located above shallow mud diapirs and diapiric ridges. Beyond the known near-surface occurrence of gas hydrates, bottom simulating reflectors are not seen on our seismic records, but pronounced lateral amplitude variations and bright spots may indicate the presence of gas hydrates and free gas.

Document Type: Article
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-GDY Marine Geodynamics
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1007/s00367-003-0143-0
ISSN: 0276-0460
Date Deposited: 12 Sep 2008 15:05
Last Modified: 22 May 2017 13:37

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