Pre-explosive conduit conditions of the 1997 Vulcanian explosions at Soufrière Hills Volcano, Montserrat: I. Pressure and vesicularity distributions

A Burgisser, S Poussineau, L Arbaret, TH Druitt… - Journal of Volcanology …, 2010 - Elsevier
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 …

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 …

[HTML][HTML] H2O-content and temperature limit the explosive potential of rhyolite magma during Plinian eruptions

P Forte, JM Castro - Earth and Planetary Science Letters, 2019 - Elsevier
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 …

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 …

Submarine giant pumice: a window into the shallow conduit dynamics of a recent silicic eruption

SJ Mitchell, BF Houghton, RJ Carey, M Manga… - Bulletin of …, 2019 - Springer
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 …

Tying textures of breadcrust bombs to their transport regime and cooling history

MC Benage, J Dufek, W Degruyter, D Geist… - Journal of Volcanology …, 2014 - Elsevier
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 …

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 …

Magma yield stress and permeability: Insights from multiphase percolation theory

SDC Walsh, MO Saar - Journal of Volcanology and Geothermal Research, 2008 - Elsevier
Magmas often contain multiple interacting phases of embedded solid and gas inclusions.
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 …

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 …