The fluid mechanics inside a volcano

HM Gonnermann, M Manga - Annu. Rev. Fluid Mech., 2007 - annualreviews.org
The style and evolution of volcanic eruptions are dictated by the fluid mechanics governing
magma ascent. Decompression during ascent causes dissolved volatile species, such as …

The 1986–2021 paroxysmal episodes at the summit craters of Mt. Etna: Insights into volcano dynamics and hazard

D Andronico, A Cannata, G Di Grazia, F Ferrari - Earth-Science Reviews, 2021 - Elsevier
Abstract Despite Mt. Etna's long-standing reputation as an effusive volcano, since 1986
there has been an evident increase in mid-intensity explosive eruptions from its summit …

[HTML][HTML] Near-surface magma flow instability drives cyclic lava fountaining at Fagradalsfjall, Iceland

S Scott, M Pfeffer, C Oppenheimer, E Bali… - Nature …, 2023 - nature.com
Lava fountains are a common manifestation of basaltic volcanism. While magma degassing
plays a clear key role in their generation, the controls on their duration and intermittency are …

[图书][B] Volatiles in magmas

MR Carroll, JR Holloway - 2018 - books.google.com
Volume 30 of Reviews in Mineralogy introduces in understanding the behavior of magmatic
volatiles and their influence on a wide variety of geological phenomena; in doing this it also …

Volatile abundances in basaltic magmas and their degassing paths tracked by melt inclusions

N Metrich, PJ Wallace - Reviews in mineralogy and …, 2008 - pubs.geoscienceworld.org
The abundances of CO2, H2O, S and halogens dissolved in basaltic magmas are strongly
variable because their solubilities and ability to be fractionated in the vapor phase depend …

The volatiles record of a “popping” rock from the Mid-Atlantic Ridge at 14 N: chemical and isotopic composition of gas trapped in the vesicles

M Javoy, F Pineau - Earth and Planetary Science Letters, 1991 - Elsevier
The popping rock dredged at 13.5° N and 3770 m deep on the Mid Atlantic Ridge by the
shipAkademik Boris Petrov (sample 2πD43), has the largest gas content so far reported in …

A discussion of the mechanisms of explosive basaltic eruptions

EA Parfitt - Journal of Volcanology and Geothermal Research, 2004 - Elsevier
Two contrasting models of the dynamics of explosive basaltic eruptions are in current usage.
These are referred to as the rise speed dependent (RSD) model and the collapsing foam …

Explosive volcanic eruptions—IX. The transition between Hawaiian-style lava fountaining and Strombolian explosive activity

EA Parfitt, L Wilson - Geophysical Journal International, 1995 - academic.oup.com
The commonest eruption styles of basaltic volcanoes involve Hawaiian lava fountaining or
intermittent Strombolian explosions. We investigate the ways in which magma rise speed at …

Explosive basaltic volcanism from Cerro Negro volcano: influence of volatiles on eruptive style

K Roggensack, RL Hervig, SB McKnight, SN Williams - Science, 1997 - science.org
The 1992 and 1995 basaltic eruptions of Cerro Negro volcano, Nicaragua, had contrasting
eruptive styles. Although they were nearly identical in composition, the 1992 eruption was …

The structure of basaltic scoria and reticulite and inferences for vesiculation, foam formation, and fragmentation in lava fountains

MT Mangan, KV Cashman - Journal of Volcanology and Geothermal …, 1996 - Elsevier
In this investigation pyroclast structures are used to constrain degassing in basaltic lava
fountains. Vesicle size, shape, number density, interconnectedness and packing character …