The Andean Southern Volcanic Zone: a review on the legacy of the latest volcanic eruptions

JE Romero, F Vergara-Pinto, P Forte, JT Ovalle… - Andean …, 2024 - andeangeology.cl
Abstract The Andean Southern Volcanic Zone (SVZ) concentrates many of the most active
volcanoes of the Andean continental arc, as well as the region's most recent and impactful …

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 …

Dynamics of the Young Merapi (< 2.2 ka–1,788 CE) pumice fall deposits: Insights from textural and geochemical studies

I Suhendro, GNRB Naen, A Gurusinga, SA Sari… - Journal of Volcanology …, 2023 - Elsevier
We studied nine pumice fall deposits of the Young Merapi stage (< 2.2 ka–1,788 CE)
observed in the western and southern flanks of Merapi volcano. All deposits include a wide …

Mafic explosive volcanism at Llaima Volcano: 3D x-ray microtomography reconstruction of pyroclasts to constrain shallow conduit processes

P Valdivia, AA Marshall, BD Brand, M Manga… - Bulletin of …, 2022 - Springer
Mafic volcanic activity is dominated by effusive to mildly explosive eruptions. Plinian and
ignimbrite-forming mafic eruptions, while rare, are also possible; however, the conditions …

Rapid accumulation and ascent precedes caldera forming eruption of low viscosity magma

C Jorgenson, L Caricchi, M Chiaradia… - … to Mineralogy and …, 2024 - Springer
Mafic magma is commonly associated with effusive eruptions, however several mafic
volcanoes throughout the globe have produced explosive eruptions. Here we present one …

Magma titanium and iron contents dictate crystallization timescales and rheological behaviour in basaltic volcanic systems

F Di Fiore, A Vona, D Di Genova, A Pontesilli… - … Earth & Environment, 2024 - nature.com
Magma ascending through Earth's crust undergoes complex chemical and physical changes
that may induce crystallization, a process that contributes to lead the magmatic system …

Mixing and eruption of mafic magmas of the Sipisupisu volcano, the Toba volcanic system, Indonesia

MH Gao, PP Liu - Contributions to Mineralogy and Petrology, 2023 - Springer
Texture and particularly compositional variations of zoned minerals are important to
understand trans-crustal magma plumbing systems of volcanoes. The Sipisupisu volcano in …

[HTML][HTML] Coupling magma ascent models with volatile diffusion chronometry

O Bernard, F Costa - Earth and Planetary Science Letters, 2024 - Elsevier
The pre-and syn-eruptive magma decompression rate is recognized as a key parameter
modulating eruption dynamics, with explosive eruptions being generally associated with …

Varying processes, similar results: How composition influences fragmentation and subsequent feeding of large pyroclastic density currents

O Bernard, C Bouvet de Maisonneuve… - Frontiers in Earth …, 2022 - frontiersin.org
Unlike their silicic counterparts, mafic eruptions are known for being on the low-end of the
explosivity spectrum with eruption styles commonly ranging from effusive to Hawaiian fire …

Autobrecciation and fusing of mafic magma preceding explosive eruptions

AA Marshall, M Manga, BD Brand… - Geology, 2022 - pubs.geoscienceworld.org
Bubble and crystal textures evolve during magma ascent, altering properties that control
ascent such as permeability and viscosity. Eruption style results from feedbacks between …