Bubble nucleation in magmas: a dominantly heterogeneous process?

T Shea - Journal of Volcanology and Geothermal Research, 2017 - Elsevier
Bubble nucleation is at the heart of magma ascent and degassing. Nucleation kinetics
control how easily a magma exsolves its volatiles, and thereby its explosivity close to the …

[HTML][HTML] The evolution of pore connectivity in volcanic rocks

M Colombier, FB Wadsworth, L Gurioli, B Scheu… - Earth and planetary …, 2017 - Elsevier
Pore connectivity is a measure of the fraction of pore space (vesicles, voids or cracks) in a
material that is interconnected on the system length scale. Pore connectivity is …

Effusive crises at Piton de la Fournaise 2014–2015: a review of a multi-national response model

AJL Harris, N Villeneuve, A Di Muro… - Journal of Applied …, 2017 - Springer
Many active European volcanoes and volcano observatories are island-based and located
far from their administrative “mainland”. Consequently, Governments have developed …

A chemical threshold controls nanocrystallization and degassing behaviour in basalt magmas

A Scarani, A Zandonà, F Di Fiore, P Valdivia… - … Earth & Environment, 2022 - nature.com
An increasing number of studies are being presented demonstrating that volcanic glasses
can be heterogeneous at the nanoscale. These nano-heterogeneities can develop both …

Can nanolites enhance eruption explosivity?

F Cáceres, FB Wadsworth, B Scheu… - …, 2020 - pubs.geoscienceworld.org
Degassing dynamics play a crucial role in controlling the explosivity of magma at erupting
volcanoes. Degassing of magmatic water typically involves bubble nucleation and growth …

Oxide nanolitisation-induced melt iron extraction causes viscosity jumps and enhanced explosivity in silicic magma

F Cáceres, KU Hess, M Eitel, M Döblinger… - Nature …, 2024 - nature.com
Explosivity in erupting volcanoes is controlled by the degassing dynamics and the viscosity
of the ascending magma in the conduit. Magma crystallisation enhances both …

[HTML][HTML] From melt to crystals: the effects of cooling on FeTi oxide nanolites crystallisation and melt polymerisation at oxidising conditions

F Cáceres, B Scheu, KU Hess, C Cimarelli, J Vasseur… - Chemical …, 2021 - Elsevier
The state and properties of magma are crucial controls on the eruptive behaviour of volcanic
systems. Nowhere is the importance of the link between the state and properties more …

[HTML][HTML] Controls on eruption style at Rabaul, Papua New Guinea–insights from microlites, porosity and permeability measurements

O Bernard, CB de Maisonneuve - Journal of Volcanology and Geothermal …, 2020 - Elsevier
Abstract Rabaul in Papua-New-Guinea is an extremely active andesitic caldera complex that
displays a large spectrum of eruption styles. Since 1878, four sub-plinian (VEI-4) and ten VEI …

Integrating field, textural, and geochemical monitoring to track eruption triggers and dynamics: a case study from Piton de la Fournaise

L Gurioli, A Di Muro, I Vlastélic, S Moune, S Thivet… - Solid Earth, 2018 - se.copernicus.org
The 2014 eruption at Piton de la Fournaise (PdF), La Réunion, which occurred after 41
months of quiescence, began with surprisingly little precursory activity and was one of the …

Evidences of plug pressurization enhancing magma fragmentation during the September 2016 basaltic eruption at Piton de la Fournaise (La Réunion Island, France)

S Thivet, L Gurioli, A Di Muro, A Derrien… - Geochemistry …, 2020 - Wiley Online Library
Abstract In September 2016, Piton de la Fournaise volcano, well known for its effusive and
Hawaiian fountaining activity, produced, at the end of the eruption, an unusual phase of …