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Tuffaceous mud is a volumetrically important volcaniclastic facies of submarine arc volcanism and record of climate change
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Abstract
The inorganic portion of tuffaceous mud and mudstone in an oceanic island arc can be mostly volcanic in origin. Consequently, a large volume of submarine volcaniclastic material is as extremely finegrained as products of subaerial eruptions (75% of the mud is volcanic, and that most of it was derived from proximal rear arc volcanic sources. It faithfully preserves integrated igneous geochemical information about arc evolution in much the same way that terrigenous shales track the evolution of continental crust. In addition, their high sedimentation rate enables high resolution study of climate cycles, including the effects of Pleistocene glaciation on the behavior of the Kuroshio Current in the Shikoku Basin south of Japan.
Item Type: | Article |
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Authors/Creators: | Gill, JB and Bongiolo, EM and Miyazaki, T and Hamelin, C and Jutzeler, M and DeBari, S and Jonas, A-S and Vaglarov, BS and Nascimento, LS and Yakavonis, M |
Keywords: | IBM, Izu-Bonin-Mariana arc, submarine volcanism, climate change, rear-arc, volcanic mud |
Journal or Publication Title: | Geochemistry Geophysics Geosystems |
Publisher: | Amer Geophysical Union |
ISSN: | 1525-2027 |
DOI / ID Number: | 10.1002/2017GC007300 |
Copyright Information: | Copyright 2018 American Geophysical Union |
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