The Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton

Abstract The Quaternary Kurobegawa Granite, central Japan, is not only the youngest known granitic pluton exposed on the Earth’s surface, it is one of few localities where both Quaternary volcanics and related plutons are well exposed. Here, we present new zircon U–Pb ages together with whole rock a...

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Autores principales:	Hisatoshi Ito, Yoshiko Adachi, Aitor Cambeses, Fernando Bea, Mayuko Fukuyama, Koji Fukuma, Ryuji Yamada, Takashi Kubo, Mami Takehara, Kenji Horie
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9f3a4073514e4e478a60e5853e4f3e8b
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spelling	oai:doaj.org-article:9f3a4073514e4e478a60e5853e4f3e8b2021-11-14T12:23:16ZThe Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton10.1038/s41598-021-01562-22045-2322https://doaj.org/article/9f3a4073514e4e478a60e5853e4f3e8b2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01562-2https://doaj.org/toc/2045-2322Abstract The Quaternary Kurobegawa Granite, central Japan, is not only the youngest known granitic pluton exposed on the Earth’s surface, it is one of few localities where both Quaternary volcanics and related plutons are well exposed. Here, we present new zircon U–Pb ages together with whole rock and mineral geochemical data, revealing that the Kurobegawa Granite is a resurgent pluton that was emplaced following the caldera-forming eruption of the Jiigatake Volcanics at 1.55 ± 0.09 Ma. Following the eruption, the remnant magma chamber progressively cooled forming the voluminous Kurobegawa pluton in the upper crust (~ 6 km depth) until ~ 0.7 Ma when resurgence caused rapid uplift and erosion in the region. This is the first study to document the detailed spatiotemporal evolution of resurgent pluton for a Quaternary caldera system. Our new findings may contribute significantly to understanding the fate of active caldera systems that can produce supereruptions.Hisatoshi ItoYoshiko AdachiAitor CambesesFernando BeaMayuko FukuyamaKoji FukumaRyuji YamadaTakashi KuboMami TakeharaKenji HorieNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hisatoshi Ito Yoshiko Adachi Aitor Cambeses Fernando Bea Mayuko Fukuyama Koji Fukuma Ryuji Yamada Takashi Kubo Mami Takehara Kenji Horie The Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton
description	Abstract The Quaternary Kurobegawa Granite, central Japan, is not only the youngest known granitic pluton exposed on the Earth’s surface, it is one of few localities where both Quaternary volcanics and related plutons are well exposed. Here, we present new zircon U–Pb ages together with whole rock and mineral geochemical data, revealing that the Kurobegawa Granite is a resurgent pluton that was emplaced following the caldera-forming eruption of the Jiigatake Volcanics at 1.55 ± 0.09 Ma. Following the eruption, the remnant magma chamber progressively cooled forming the voluminous Kurobegawa pluton in the upper crust (~ 6 km depth) until ~ 0.7 Ma when resurgence caused rapid uplift and erosion in the region. This is the first study to document the detailed spatiotemporal evolution of resurgent pluton for a Quaternary caldera system. Our new findings may contribute significantly to understanding the fate of active caldera systems that can produce supereruptions.
format	article
author	Hisatoshi Ito Yoshiko Adachi Aitor Cambeses Fernando Bea Mayuko Fukuyama Koji Fukuma Ryuji Yamada Takashi Kubo Mami Takehara Kenji Horie
author_facet	Hisatoshi Ito Yoshiko Adachi Aitor Cambeses Fernando Bea Mayuko Fukuyama Koji Fukuma Ryuji Yamada Takashi Kubo Mami Takehara Kenji Horie
author_sort	Hisatoshi Ito
title	The Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton
title_short	The Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton
title_full	The Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton
title_fullStr	The Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton
title_full_unstemmed	The Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton
title_sort	quaternary kurobegawa granite: an example of a deeply dissected resurgent pluton
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9f3a4073514e4e478a60e5853e4f3e8b
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The Quaternary Kurobegawa Granite: an example of a deeply dissected resurgent pluton

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