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Site U1401

Citation

Le Friant, A and Ishizuka, O and Stroncik, NA and Slagle, AL and Morgan, S and Adachi, T and Aljahdali, M and Boudon, G and Breitkreutz, C and Endo, D and Fraass, AJ and Fujinawa, A and Hatfield, RG and Hornbach, MJ and Jutzeler, M and Kataoka, KS and Lafuerza, S and Maeno, F and Manga, M and Martinez-Colon, M and McCanta, MC and McManus, J and Palmer, MR and Saito, T and Stinton, A and Subramanyam, KSV and Talling, PJ and Tamura, Y and Villemant, B and Wall-Palmer, D and Wang, F and Greely, TM, Expedition 340 Scientists, Site U1401, Proceedings of the Integrated Ocean Drilling Program, 340 pp. 1-17. ISSN 1930-1014 (2013) [Refereed Article]


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Copyright the Authors. Licensed under Creative Commons Attribution 3.0 Unported (CC BY 3.0) license https://creativecommons.org/licenses/by/3.0/

DOI: doi:10.2204/iodp.proc.340.111.2013

Abstract

Integrated Ocean Drilling Program (IODP) Site U1401 (proposed Site CARI-12A; 14.39.10°′N, 61.25.08°′W; 2590 meters below sea level [mbsl]) is west of Martinique (Fig. F1). Site U1401 was dedicated to the characterization of debris avalanche deposits and study of their emplacement processes. The Montagne Pelée Volcano has experienced at least three major flank-collapse events, which systematically destroyed the western flank of the volcano. Previous studies revealed the presence of a debris avalanche deposit with hummocky morphology associated with the 9000-year-old flank collapse (Le Friant et al., 2003; Boudon et al., 2007). Seismic site survey data indicated that Site U1401 could penetrate volcanic and biogenic sediment with intercalated large chaotic units (interpreted as debris avalanche deposits). We expected to drill through mass-wasting Deposit 3 and mass-wasting Deposit 2 from the Montagne Pelée Volcano with the aim of distinguishing the two deposits and also identifying erosive levels or frictional interactions between them. In addition, we expected to recover sediment from the top of the debris avalanche deposit which would allow better age constraint of the event. The data obtained from the sampled sediment will provide valuable insights into the chronology (one or several pulses), the mobility of debris avalanches, and the processes of possible syntransport flow transformation.

Item Details

Item Type:Refereed Article
Keywords:IODP 340, Lesser Antilles, Montserrat, Martinique, landslide, volcanic
Research Division:Earth Sciences
Research Group:Geology
Research Field:Volcanology
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the earth sciences
UTAS Author:Jutzeler, M (Dr Martin Jutzeler)
ID Code:116584
Year Published:2013
Deposited By:Earth Sciences
Deposited On:2017-05-12
Last Modified:2017-08-21
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