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|Title:||Crystal and melt inclusion timescales reveal the evolution of magma migration before eruption||Authors:||Ruth, Dawn C. S.
Bouvet de Maisonneuve, Caroline
Cortés, Joaquin A.
Calder, Eliza S.
|Issue Date:||2018||Source:||Ruth, D. C. S., Costa, F., Bouvet de Maisonneuve, C., Franco, L., Cortés, J. A., & Calder, E. S. (2018). Crystal and melt inclusion timescales reveal the evolution of magma migration before eruption. Nature Communications, 9(1). doi:10.1038/s41467-018-05086-8||Series/Report no.:||Nature Communications||Abstract:||Volatile element concentrations measured in melt inclusions are a key tool used to understand magma migration and degassing, although their original values may be affected by different re-equilibration processes. Additionally, the inclusion-bearing crystals can have a wide range of origins and ages, further complicating the interpretation of magmatic processes. To clarify some of these issues, here we combined olivine diffusion chronometry and melt inclusion data from the 2008 eruption of Llaima volcano (Chile). We found that magma intrusion occurred about 4 years before the eruption at a minimum depth of approximately 8 km. Magma migration and reaction became shallower with time, and about 6 months before the eruption magma reached 3–4 km depth. This can be linked to reported seismicity and ash emissions. Although some ambiguities of interpretation still remain, crystal zoning and melt inclusion studies allow a more complete understanding of magma ascent, degassing, and volcano monitoring data.||URI:||https://hdl.handle.net/10356/88003
|DOI:||10.1038/s41467-018-05086-8||Rights:||© 2018 The Author(s). 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/.||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
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