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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
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
Related URLs:	Google Scholar: Jutzeler, M UTAS Profile: Jutzeler, M
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