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Title: Rapid cooling and cold storage in a silicic magma reservoir recorded in individual crystals
Authors: Rubin, Allison E.
Cooper, Kari M.
Till, Christy B.
Kent, Adam J. R.
Costa, Fidel
Bose, Maitrayee
Gravley, Darren
Deering, Chad
Cole, Jim
Keywords: Science::Geology
Issue Date: 2017
Source: Rubin, A. E., Cooper, K. M., Till, C. B., Kent, A. J. R., Costa, F., Bose, M., . . . Cole, J. (2017). Rapid cooling and cold storage in a silicic magma reservoir recorded in individual crystals. Science, 356(6343), 1154-1157. doi:10.1126/science.aam8720
Project: MoE2014-T2-2-041
Journal: Science
Abstract: Silicic volcanic eruptions pose considerable hazards, yet the processes leading to these eruptions remain poorly known. A missing link is knowledge of the thermal history of magma feeding such eruptions, which largely controls crystallinity and therefore eruptability. We have determined the thermal history of individual zircon crystals from an eruption of the Taupo Volcanic Zone, New Zealand. Results show that although zircons resided in the magmatic system for 103 to 105 years, they experienced temperatures >650° to 750°C for only years to centuries. This implies near-solidus long-term crystal storage, punctuated by rapid heating and cooling. Reconciling these data with existing models of magma storage requires considering multiple small intrusions and multiple spatial scales, and our approach can help to quantify heat input to and output from magma reservoirs.
ISSN: 0036-8075
DOI: 10.1126/science.aam8720
Rights: © 2017 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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