Pre-explosive conduit conditions of the 1997 Vulcanian explosions at Soufrière Hills Volcano, Montserrat: I. Pressure and vesicularity distributions
An authoritative case of Vulcanian eruptive dynamics is the series of 88 explosions that
occurred between August and October 1997 at Soufrière Hills volcano on Montserrat Island …
occurred between August and October 1997 at Soufrière Hills volcano on Montserrat Island …
Combining textural and geochemical investigations to explore the dynamics of magma ascent during Plinian eruptions: a Somma–Vesuvius volcano (Italy) case study
L Pappalardo, G Buono, S Fanara… - Contributions to Mineralogy …, 2018 - Springer
Trigger mechanisms and syn-eruptive processes of Plinian eruptions are poorly understood
especially in the case of mafic powerful events. In the last decades, the combined …
especially in the case of mafic powerful events. In the last decades, the combined …
[HTML][HTML] H2O-content and temperature limit the explosive potential of rhyolite magma during Plinian eruptions
Recent rhyolite eruptions on Earth have demonstrated their capacity to produce a multitude
of hazards, including ash formation lasting months and impacting the large reaches of the …
of hazards, including ash formation lasting months and impacting the large reaches of the …
Coupled conduit flow and shape in explosive volcanic eruptions
KL Mitchell - Journal of volcanology and geothermal research, 2005 - Elsevier
Volcanic conduit flow models generally utilise one of two conduit profile modes, which are
referred to as parallel-sided (typically surface choked) or lithostatically pressure-balanced …
referred to as parallel-sided (typically surface choked) or lithostatically pressure-balanced …
Submarine giant pumice: a window into the shallow conduit dynamics of a recent silicic eruption
Meter-scale vesicular blocks, termed “giant pumice,” are characteristic primary products of
many subaqueous silicic eruptions. The size of giant pumices allows us to describe meter …
many subaqueous silicic eruptions. The size of giant pumices allows us to describe meter …
Tying textures of breadcrust bombs to their transport regime and cooling history
The thermal evolution of explosive eruptive events such as volcanic plumes and pyroclastic
density currents (PDCs) is reflected in the textures of the material they deposit. Here we …
density currents (PDCs) is reflected in the textures of the material they deposit. Here we …
Magma degassing during the Plinian eruption of Novarupta, Alaska, 1912
HM Gonnermann, BF Houghton - Geochemistry, Geophysics …, 2012 - Wiley Online Library
We have modeled the nucleation and isothermal growth of bubbles in dacite from the 1912
Plinian eruption of Novarupta, Alaska. Bubble growth calculations account for the exsolution …
Plinian eruption of Novarupta, Alaska. Bubble growth calculations account for the exsolution …
Magma yield stress and permeability: Insights from multiphase percolation theory
Magmas often contain multiple interacting phases of embedded solid and gas inclusions.
Multiphase percolation theory provides a means of modeling assemblies of these different …
Multiphase percolation theory provides a means of modeling assemblies of these different …
Experimental study of bubble coalescence in rhyolitic and phonolitic melts
JF Larsen, MH Denis, JE Gardner - Geochimica et cosmochimica acta, 2004 - Elsevier
We have experimentally studied the process of bubble coalescence in rhyolite and phonolite
melts of natural composition. The experiments involved decompression of water-saturated …
melts of natural composition. The experiments involved decompression of water-saturated …
Plinian eruptions and passive collapse events as mechanisms of formation for Martian pit chain craters
ED Scott, L Wilson - Journal of Geophysical Research: Planets, 2002 - Wiley Online Library
Three distinct and intersecting sets of graben exist near the Martian volcano Alba Patera.
One set formed as a response to the evolution of the Alba Patera edifice. A second set …
One set formed as a response to the evolution of the Alba Patera edifice. A second set …