The build-up and triggers of volcanic eruptions

L Caricchi, M Townsend, E Rivalta… - Nature Reviews Earth & …, 2021 - nature.com
More than 800 million people live in proximity to active volcanoes and could be directly
impacted by potential eruptions. Mitigation of future volcanic hazards requires adequate …

Magma/suspension rheology

S Kolzenburg, MO Chevrel… - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
When considering the rheology of a suspension the fundamental physical aspect to be
quantified is the redistribution of strain between the deformable matrix fraction of the …

Dendritic crystallization in hydrous basaltic magmas controls magma mobility within the Earth's crust

F Arzilli, M Polacci, G La Spina, N Le Gall… - Nature …, 2022 - nature.com
The majority of basaltic magmas stall in the Earth's crust as a result of the rheological
evolution caused by crystallization during transport. However, the relationships between …

Magma fragmentation in highly explosive basaltic eruptions induced by rapid crystallization

F Arzilli, G La Spina, MR Burton, M Polacci… - Nature …, 2019 - nature.com
Basaltic eruptions are the most common form of volcanism on Earth and planetary bodies.
The low viscosity of basaltic magmas inhibits fragmentation, which favours effusive and lava …

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 …

Explosivity of basaltic lava fountains is controlled by magma rheology, ascent rate and outgassing

G La Spina, F Arzilli, EW Llewellin, MR Burton… - Earth and Planetary …, 2021 - Elsevier
The dichotomy between explosive volcanic eruptions, which produce pyroclasts, and
effusive eruptions, which produce lava, is defined by the presence or absence of …

[HTML][HTML] A review of plagioclase growth rate and compositional evolution in mafic alkaline magmas: Guidelines for thermometry, hygrometry, and timescales of magma …

P Moschini, S Mollo, A Pontesilli, M Nazzari… - Earth-Science …, 2023 - Elsevier
Mafic alkaline magmas, such as those feeding the persistent eruptive activity of Stromboli
and Mt. Etna volcanoes in Italy, are dominated by the crystallization of plagioclase via …

Role of volatiles in highly explosive basaltic eruptions

G La Spina, F Arzilli, MR Burton, M Polacci… - … Earth & Environment, 2022 - nature.com
Water and carbon dioxide are the most abundant volatile components in terrestrial magmas.
As they exsolve into magmatic vapour, they promote magma buoyancy, accelerating ascent …

Unravelling the effect of nano-heterogeneity on the viscosity of silicate melts: Implications for glass manufacturing and volcanic eruptions

D Di Genova, A Zandona, J Deubener - Journal of Non-Crystalline Solids, 2020 - Elsevier
Traditionally depicted as homogeneous materials, manmade and volcanic glasses are often
subjected to nanostructuration during demixing and crystallization of their parental melt …

Crystallisation in basaltic magmas revealed via in situ 4D synchrotron X-ray microtomography

M Polacci, F Arzilli, G La Spina, N Le Gall, B Cai… - Scientific reports, 2018 - nature.com
Magma crystallisation is a fundamental process driving eruptions and controlling the style of
volcanic activity. Crystal nucleation delay, heterogeneous and homogeneous nucleation …