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      New constraints on Ti diffusion in quartz and the priming of silicic volcanic eruptions

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          Abstract

          Titanium diffusion profiles in quartz crystals are widely applied to constrain the duration of magmatic processes. However, experimentally determined Ti diffusion coefficients in quartz diverge by three orders of magnitude. To rectify this problem we derive Ti diffusion coefficients from natural quartz phenocrysts from the 1991 eruption at Mt. Pinatubo, by combining U-Th ages of small (15–40 µm long) zircon inclusions with Ti diffusion profiles measured at nearby growth zone contacts in the same quartz crystals. Application of the obtained data to quartz crystals with Ti-rich rims from thirteen silicic volcanic tuffs worldwide suggests that the magmas erupted years to thousands of years after magma chamber rejuvenation, with the priming time increasing with magma volume and decreasing temperature. Here we show that the time scales involved in the generation of silicic volcanic eruptions are much longer than originally thought.

          Abstract

          Titanium diffusion profiles in quartz record the duration of magmatic processes. Here, the authors use a novel way to constrain Ti diffusion coefficients and apply them to determine the time scales involved in the priming of volcanic eruptions.

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          Most cited references47

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          Zircon saturation revisited: temperature and composition effects in a variety of crustal magma types

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            THREE NATURAL ZIRCON STANDARDS FOR U-TH-PB, LU-HF, TRACE ELEMENT AND REE ANALYSES

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              Magma mixing: a mechanism for triggering acid explosive eruptions

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                Author and article information

                Contributors
                andreas.audetat@uni-bayreuth.de
                Journal
                Nat Commun
                Nat Commun
                Nature Communications
                Nature Publishing Group UK (London )
                2041-1723
                17 July 2023
                17 July 2023
                2023
                : 14
                : 4277
                Affiliations
                [1 ]GRID grid.7384.8, ISNI 0000 0004 0467 6972, Bayerisches Geoinstitut, , University of Bayreuth, ; Bayreuth, Germany
                [2 ]GRID grid.7700.0, ISNI 0000 0001 2190 4373, Heidelberg University, ; Heidelberg, Germany
                [3 ]GRID grid.1032.0, ISNI 0000 0004 0375 4078, Curtin University, ; Perth, Australia
                [4 ]GRID grid.41891.35, ISNI 0000 0001 2156 6108, Montana State University, ; Bozeman, MT USA
                [5 ]GRID grid.508721.9, Géosciences Environnement Toulouse, , University of Toulouse, CNRS, ; Toulouse, France
                [6 ]GRID grid.466784.f, ISNI 0000 0004 0599 8367, Geological Survey of Western Australia, Department of Mines, , Industry Regulation and Safety, ; Perth, Australia
                [7 ]GRID grid.1012.2, ISNI 0000 0004 1936 7910, Centre for Exploration Targeting and School of Earth Sciences, , University of Western Australia, ; Crawley, Australia
                Author information
                http://orcid.org/0000-0002-6176-4122
                http://orcid.org/0000-0001-6373-726X
                http://orcid.org/0000-0002-6490-0679
                Article
                39912
                10.1038/s41467-023-39912-5
                10352339
                37460528
                fd594c27-b0fa-4504-996b-1ad9c6a1db28
                © The Author(s) 2023

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

                History
                : 4 November 2022
                : 4 July 2023
                Funding
                Funded by: German Science Foundation grant AU-314/6-1
                Categories
                Article
                Custom metadata
                © Springer Nature Limited 2023

                Uncategorized
                geochemistry,natural hazards,petrology
                Uncategorized
                geochemistry, natural hazards, petrology

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