Pleistocene Mass Transport Deposits Off Barbados Accretionary Prism (Lesser Antilles)
| Type | Proceedings paper | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Date | 2016 | ||||||||||||
| Language | English | ||||||||||||
| Author(s) | Pichot Thibaud1, 2, Lafuerza Sara3, Patriat Martin 1, Roest Walter1 |
||||||||||||
| Affiliation(s) | 1 : IFREMER, Ctr Brest, Geosci Marines, ZI Pointe Diable, CS 10070, F-29280 Plouzane, France. 2 : Beicip Franlab, 232 Ave Napoleon Bonaparte,BP 213, F-92502 Rueil Malmaison, France. 3 : Fugro Geoconsulting SAS, 39 Rue Peupliers, F-92752 Nanterre, France. |
||||||||||||
| Meeting | 7th International Symposium on Submarine Mass Movements and their Consequences. | ||||||||||||
| Source | Submarine Mass Movements and their Consequences. 7th International Symposium. Editors: Lamarche, G., Mountjoy, J., Bull, S., Hubble, T., Krastel, S., Lane, E., Micallef, A., Moscardelli, L., Mueller, C., Pecher, I., Woelz, S. 2016. ISBN 978-3-319-20978-4. Volume 41 of the series Advances in Natural and Technological Hazards Research. Part IV. Chap.32, pp 321-329 | ||||||||||||
| DOI | 10.1007/978-3-319-20979-1_32 | ||||||||||||
| Keyword(s) | Lesser Antilles subduction zone, Barbados accretionary prism, Mass transport deposits, Subducted oceanic ridges | ||||||||||||
| Abstract | Two Pleistocene mass transport deposits (MTDs), with volumes of thousands of km(3), have been identified from multi-channel seismic data in the abyssal plain at the front of the Barbados accretionary prism. Estimated sediment volumes for these MTDs are likely underestimated due to limited seismic coverage. In this work, we suggest that these MTDs are comparable in size to large submarine landslides as reported in the literature. These MTDs lie on the vicinity of two major oceanic ridges, the Barracuda Ridge and the Tiburon Rise. It is also suggested in this work that the MTDs come from seismicity associated with the formation of the Barracuda Ridge or the Barbados accretionary prism; however, triggering mechanisms involved in their formation remain uncertain. The present study discusses the potential causal factors accounting for the formation of these MTDs. | ||||||||||||
| Full Text |
|