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 …

Non-stoichiometric crystal nucleation in a spodumene glass containing TiO2 as seed former: Effects on the viscosity of the residual melt

A Zandonà, A Scarani, J Löschmann… - Journal of Non …, 2023 - Elsevier
A spodumene glass (LiAlSi 2 O 6), doped with 4 mol% TiO 2 as a nucleating agent, was
synthesized by containerless melting. Its accurate viscosity characterization by …

Deep-UV Raman spectroscopy: A novel heuristic method to characterize volcanologically relevant glasses on Mars

M Cassetta, B Rossi, S Mazzocato, F Vetere, G Iezzi… - Chemical …, 2024 - Elsevier
Deep ultraviolet Raman spectroscopy is an essential component of the Perseverance rover
operating on Mars. Here we propose a proof of concept of deep-UV Raman structural …

[HTML][HTML] A review of the differential scanning calorimetry shift–factor approach: Application to Colli Albani melt viscosity and implications for mafic Plinian eruptions

E Fanesi, D Di Genova, P Valdivia, D Bondar… - Journal of Volcanology …, 2025 - Elsevier
The differential scanning calorimetry (DSC) shift factor has recently been applied to model
the viscosity of volcanic melts, revealing that such melts are often less viscous and more …

Effect of the alkali vs iron ratio on glass transition temperature and vibrational properties of synthetic basalt-like glasses

M Cassetta, B Giannetta, F Enrichi, C Zaccone… - … Acta Part A: Molecular …, 2023 - Elsevier
Volcanic eruptions generate huge amounts of material with a wide range of compositions
and therefore different physicochemical properties. We present a combined Raman and …

Are volcanic melts less viscous than we thought? The case of Stromboli basalt

P Valdivia, A Zandonà, A Kurnosov, TB Ballaran… - … to Mineralogy and …, 2023 - Springer
Melt viscosity is one of the most critical physical properties controlling magma transport
dynamics and eruptive style. Although viscosity measurements are widely used to study and …

Nanolite crystallization in volcanic glasses: Insights from high‐temperature Raman spectroscopy and low‐temperature rock‐magnetic analysis

D Bondar, A Canizarès, D Bilardello… - Geochemistry …, 2025 - Wiley Online Library
High‐temperature Raman spectroscopy offers a cost‐effective alternative to extensive
infrastructure and sensitive instrumentation for investigating nanolite crystallization in …

Micro-Raman spectroscopy for a comprehensive understanding of the structural evolution of Basaltic-Andesite and Trachybasalt multiphase systems

M Cassetta, F Vetere, M Zanatta, D Perugini, M Alvaro… - Chemical …, 2023 - Elsevier
The liquid viscosity of multiphase systems is usually retrieved by the use of combined
chemical analysis and empirical chemistry-based models. Here we present an alternative …

Estimating the viscosity of volcanic melts from the vibrational properties of their parental glasses

M Cassetta, D Di Genova, M Zanatta… - Scientific Reports, 2021 - nature.com
The numerical modelling of magma transport and volcanic eruptions requires accurate
knowledge of the viscosity of magmatic liquids as a function of temperature and melt …

[HTML][HTML] The effect of carbonate assimilation and nanoheterogeneities on the viscosity of phonotephritic melt from Vesuvius

G Giuliani, D Di Genova, F Di Fiore, P Valdivia, S Mollo… - Chemical …, 2024 - Elsevier
Interaction between magma and carbonate plays a pivotal role in volcanic systems, yet its
impact on magma transport properties remains inadequately explored. This study presents …