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Tuffaceous mud is a volumetrically important volcaniclastic facies of submarine arc volcanism and record of climate change
Citation
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, Tuffaceous mud is a volumetrically important volcaniclastic facies of submarine arc volcanism and record of climate change, Geochemistry Geophysics Geosystems, 19, (4) pp. 1-27. ISSN 1525-2027 (2018) [Refereed Article]
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Copyright Statement
Copyright 2018 American Geophysical Union
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 (<100 μm). Using results of IODP Expedition 350 in the Izu rear arc, we show that such material can accumulate at high rates (12–20 cm/k.y.) within 13 km of the nearest seamount summit and scores of km behind the volcanic front. The geochemistry of bulk, acid-leached mud, and its discrete vitriclasts, shows that >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 Details
Item Type: | Refereed Article |
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Keywords: | volcaniclastic sediment, sediment geochemistry, island arc, Kurishio current, IODP, IBM, Izu-Bonin-Mariana arc, submarine volcanism, climate change, rear-arc, volcanic mud |
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 |
UTAS Author: | Jutzeler, M (Dr Martin Jutzeler) |
ID Code: | 125855 |
Year Published: | 2018 |
Web of Science® Times Cited: | 10 |
Deposited By: | Earth Sciences |
Deposited On: | 2018-05-09 |
Last Modified: | 2019-03-13 |
Downloads: | 53 View Download Statistics |
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