New result of the seismic facies analysis of the Quaternary deposits in the western Atlantic

The results of the 35th cruise of the R/V Akademik Ioffe contribute to the solution of the problem regarding distinguishing contourite and turbidite seismofacies. The more widespread development of turbidites in Sohm and Demerara abyssal plains, in comparison to basins of South Atlantic, is demonstr...

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Bibliographic Details
Published in:Doklady earth sciences 2014-10, Vol.458 (2), p.1256-1260
Main Authors: Levchenko, O. V., Murdmaa, I. O., Ivanova, E. V., Mutovkin, A. D., Blinova, E. V., Borisov, D. G., Dremuchev, S. A., Isachenko, S. M., Konstantinova, N. P., Lapidus, L. V., Marinova, Yu. G., Firstova, A. V., Frantseva, T. N., Yutsis, V. V.
Format: Article
Language:English
Subjects:
Analysis
Earth and Environmental Science
Earth Sciences
Oceanography
Oceanology
Sedimentary geology
Sediments (Geology)
Seismology
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Summary:The results of the 35th cruise of the R/V Akademik Ioffe contribute to the solution of the problem regarding distinguishing contourite and turbidite seismofacies. The more widespread development of turbidites in Sohm and Demerara abyssal plains, in comparison to basins of South Atlantic, is demonstrated. This is caused, first of all, by the presence of vast deep water turbidite fans (Saint Lawrence and Amazon rivers), which have no analogs in the continental margins of Brazil and Uruguay. In addition, specific seismofacies of the MAR are revealed.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X14100080