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Site U1397

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, M 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 U1397, Proceedings of the Integrated Ocean Drilling Program, 340 pp. 1-40. 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.340.107.2013

Abstract

Integrated Ocean Drilling Program (IODP) Site U1397 (proposed Site CARI-10B; 14°54.41′N, 61°25.35′W; 2482 meters below sea level [mbsl]) is located west of Martinique (Fig. F1). The bathymetric survey for Site U1397 revealed a region with a topographic high bound by large canyons. Site survey seismic data indicated that this site could, in the upper part, penetrate regular (unperturbed) sedimentary reflectors, whereas in the lower part some chaotic reflectors are visible. The drill site is located on the topographic high to try to avoid perturbations. Site U1397 is located very close to Core CAR-MAR 4 (7 m long) taken during the Caraval cruise in 2002. The CAR-MAR 4 core provides a sedimentary record that extends to ~32 ka, as determined by δ18O chronostratigraphy. The sedimentation rate (including tephra) is ~20 cm/k.y. (Boudon et al., submitted). Correlating the tephra sampled in the core to onshore deposits of the Montagne Pelée Volcano shows that a significantly greater number of tephra layers are deposited in the marine environment than have been identified during onshore studies (e.g., 25 tephra layers were identified in the core between 5 and 15 ka, whereas only 10 magmatic events were previously recognized in onshore studies).

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
Author:Jutzeler, M (Dr Martin Jutzeler)
ID Code:116580
Year Published:2013
Deposited By:Earth Sciences
Deposited On:2017-05-12
Last Modified:2017-08-21
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