Results 31 to 40 of about 536,264 (226)
Two Distinct Magma Storage Regions at Ambrym Volcano Detected by Satellite Geodesy
Geophysical Research Letters, 2023 The flux of eruptible magma into a magmatic plumbing system influences eruption size and timing. If magma transfer is possible between two hydraulically‐connected magma lenses, system destabilization can tap a larger magma volume than stored in any one ...
T. Shreve +4 more
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Orientation of the eruption fissures controlled by a shallow magma chamber in Miyakejima
Frontiers in Earth Science, 2016 Orientation of the eruption fissures and composition of the lavas of the Miyakejima volcano indicate tectonic influence of a shallow magma chamber on the distribution of eruption fissures.
Nobuo Geshi, Teruki Oikawa
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Evidence for magma mixing/mingling process in the plutonic intrusive bodies of Qorveh (Kurdistan Province): with emphasis on textural and geochemical characteristics [PDF]
پترولوژی, 2023 The Qorveh batholith, in the N-Sanandaj-Sirjan Zone, comprises several gabbroic, dioritic and granitic masses intruded the Jurassic metamorphic assemblage (i.e., schist, amphibolite and marble). In spite of a number of studies which have been carried out
Seyedeh Azam Mousavi, Ashraf Torkian
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The Crustal Magma Storage System of Volcán Quizapu, Chile, and the Effects of Magma Mixing on Magma Diversity [PDF]
Journal of Petrology, 2012 Crystal zoning as well as temperature and pressure estimates from phenocryst phase equilibria are used to constrain the architecture of the intermediate-sized magmatic system (some tens of km 3 ) of Volcan Quizapu, Chile, and to document the textural and compositional effects of magma mixing.
Philipp Ruprecht +3 more
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Earth, Planets and Space, 2023 The eruption activity of Shinmoedake in the Kirishima volcanic group of Japan resumed in 2017–18, following a quiet period during 2011–17. Subplinian eruptions preceded lava effusion in 2011; however, no subplinian eruption occurred during 2017–18 ...
Genji Saito +2 more
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Rapid assembly of high-Mg andesites and dacites by magma mixing at a continental arc stratovolcano [PDF]
, 2020 Studies of pre-eruptive processes at active volcanoes require precise petrochronological constraints if they are to contribute to hazard assessment during future eruption events.
Wilson, Colin +12 more
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Scientific Reports, 2023 Syneruptive magma mixing is widespread in volcanic eruptions, affecting explosivity and composition of products, but its evidence in basaltic systems is usually cryptic.
Diego González-García +3 more
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Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT This research paper provides an extensive study of the effects of Darcy–Forchheimer von‐Karman spinning flow of Maxwell fluid across a stretching disk including the effect of heat generation based on a nonlinear function of temperature. The flow system is influenced by thermal radiations and Arrhenius activation energy.
Ebrahem A. Algehyne +6 more
wiley +1 more source
Communications Earth & Environment, 2022 Rapid magma mixing and destabilization prior to eruption can be recorded by correlating timescales of crystal diffusion and seismicity, according to a petrological study of Kizimen volcano ...
Lea Ostorero +8 more
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The Influence of Magma Mixing on the Composition of Andesite Magmas and Silicic Eruption Style
Geophysical Research Letters, 2020 AbstractAlthough inhibited on established fluid mechanical grounds, extensive magma mixing can play a critical role in creating andesite magmas at volcanic arcs and triggering effusive or explosive volcanism. We use analog experiments, scaling theory, and thermodynamic modeling of natural volcanic systems to show that mechanical mixing is enhanced if ...
K. F. Hodge, A. M. Jellinek
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