Volcanic glass properties from 1459 C.E. volcanic event in South Pole ice core dismiss Kuwae caldera as a potential source
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چکیده
منابع مشابه
Water in volcanic glass: From volcanic degassing to secondary hydration
Volcanic glass is deposited with trace amounts (0.1–0.6 wt.%) of undegassed magmatic water dissolved in the glass. After deposition, meteoric water penetrates into the glass structure mostly as molecular H2O. Due to the lower dD (‰) values of non-tropical meteoric waters and the 30‰ offset between volcanic glass and environmental water during hydration, secondary water imparts lighter hydrogen ...
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Following the emblematic fl ank collapse of Mount St Helens in 1981, numerous models of flank sliding have been proposed. These models have allowed to largely improve the understanding of mechanisms involved in such landslides, which represent a tremendous risk for populations living around volcanoes. In this article, a new mode of landslide formation, related to buried calderas, is described. ...
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Volcanic eruptions recorded in the Illimani ice core (Bolivia): 1918–1998 and Tambora periods M. De Angelis, J. Simões , H. Bonnaveira, J.-D. Taupin, and R. J. Delmas LGGE, CNRS and Université Joseph Fourier, Grenoble-Saint Martin d’Hères, France Institute of Geosciences, Federal University of Rio Grande do Sul, Porto Alegre, Brazil LGGE, IRD, Grenoble-Saint Martin d’Hères, France Received: 3 F...
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Volcanic ash is fragments of magma, and consists of minerals and volcanic glass. These materials in the ash can provide important information on the nature of the magma, because chemical compositions of magma usually show distinct features in each volcano, and because assemblages and compositions of minerals reflect their host melt. Using assemblages and chemical compositions of minerals and gl...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2019
ISSN: 2045-2322
DOI: 10.1038/s41598-019-50939-x