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Synthesis: stratigraphy and age control for IODP Sites U1394, U1395, and U1396 offshore Montserrat in the Lesser Antilles

journal contribution
posted on 2023-05-18, 18:05 authored by Coussens, MF, Wall-Palmer, D, Talling, PJ, Watt, SFL, Hatter, SJ, Cassidy, M, Clare, M, Martin JutzelerMartin Jutzeler, Hatfield, R, McCanta, M, Kataoka, KS, Endo, D, Palmer, MR, Stinton, A, Fujinawa, A, Boudon, G, Le Friant, A, Ishizuka, O, Gernon, T, Adachi, T, Aljahdali, M, Breitkreuz, C, Frass, AJ, Hornbach, MJ, Lebas, E, Lafuerza, S, Maeno, F, Manga, M, Martinez-Colon, M, McManus, J, Morgan, S, Saito, T, Slagle, A, Subramanyam, KSV, Tamura, Y, Trofimovs, J, Villemant, B, Wang, F
This data report focuses on Holes U1394B, U1395B, and U1396C located offshore Montserrat. These holes were drilled during Integrated Ocean Drilling Program Expedition 340 and contain deposits associated with the growth and decay of the volcanic island of Montserrat. Hole U1394B dates to ~353 ka and is composed of 17 bioclastic turbidites, 24 mixed turbidites, 55 volcaniclastic turbidites, and 32 tephra fall layers within a background stratigraphy of hemipelagic marine mud. Hole U1395B dates to older than 1 Ma and contains 18 bioclastic turbidites, 27 mixed turbidites, 43 volcaniclastic turbidites, and 52 tephra fall layers. The uppermost 7 m of Hole U1396C covers ~1 My of stratigraphy and contains 1 bioclastic turbidite, 1 mixed turbidite, 9 volcaniclastic turbidites, and 13 tephra fall layers. Tephra fall and some volcaniclastic deposits are associated with episodes of island building, whereas bioclastic turbidites, mixed turbidites, and some volcaniclastic turbidites are associated with large landslide events from Montserrat.

History

Publication title

Proceedings of the Integrated Ocean Drilling Program

Volume

340

Pagination

1-19

ISSN

1930-1014

Department/School

School of Natural Sciences

Publisher

Texas A & M University

Place of publication

United States of America

Rights statement

Copyright 2016 IODP

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the earth sciences

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