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The Origin, Evolution, and Environmental Impact of Oceanic Large Igneous Provinces

GSA Special Papers

The Origin, Evolution, and Environmental Impact of Oceanic Large Igneous Provinces

Author(s)

Geological Society of America

Volume

511

DOI:

https://doi.org/10.1130/SPE511

Copyright:

© 2015 Geological Society of America

Attribution: You must attribute the work in the manner specified by the author or licensor (but no in any way that suggests that they endorse you or your use of the work). Noncommercial - you may not use this work for commercial purpose. No Derivative works - You may not alter, transform, or build upon this work. Sharing - Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.

ISBN print:

9780813725116

Publication date:

May 01, 2015

Book Chapter

Boron and chlorine contents of basalts from the Shatsky Rise, IODP Expedition 324: Implications for the alteration of oceanic plateaus

Author(s)

Masaya Miyoshi

Geological Laboratory, Faculty of Education and Regional Studies, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan

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Takashi Sano

Department of Geology and Paleontology, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki 305-0005, Japan

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Kenji Shimizu

Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima, Yokosuka, Kanagawa 237-0061, Japan

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Adélie Delacour

Adélie Delacour

Université de Lyon, Laboratoire Magmas et Volcans, UJM-UBP-CNRS-IRD, 23 rue Dr. Paul Michelon, 42023 Saint Etienne, France

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Toshiaki Hasenaka

Toshiaki Hasenaka

Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan

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Yasushi Mori

Kitakyushu Museum of Natural History and Human History, 2-4-1 Higashida, Yahatahigashi-ku, Kitakyushu, Fukuoka 805-0071, Japan

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Takaaki Fukuoka

Takaaki Fukuoka

Faculty of Geo-environmental Science, Rissho University, 1700 Magechi, Kumagaya, Saitama 360-0914, Japan

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Doi:

https://doi.org/10.1130/2015.2511(04)

Published:

May 01, 2015

Oceanic plateaus are formed by a large volume of basaltic rocks on top of the oceanic lithosphere. Alteration of these basalt lava piles leads to significant chemical element exchanges between mantle and oceans that can strongly influence chemical budget. Here we report boron (B), chlorine (Cl), and other element concentrations in basalt samples from the Shatsky Rise to define alteration processes and to estimate the significance of oceanic plateaus in storing these elements. Sampling includes 121 basaltic lavas and 92 fresh glasses collected at various depths from Holes U1346A, U1347A, U1349A, and U1350A during Integrated Ocean Drilling Program Expedition 324....

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