Metastable liquid immiscibility in the 2018–2021 Fani Maoré lavas as a mechanism for volcanic nanolite formation

S Thivet, L Pereira, N Menguy, É Médard… - … Earth & Environment, 2023 - nature.com
Nanoscale liquid immiscibility is observed in the 2018–2021 Fani Maoré submarine lavas
(Comoros archipelago). Heat transfer calculations, Raman spectroscopy, scanning and …

Magma ascent and lava flow field emplacement during the 2018–2021 Fani Maoré deep-submarine eruption insights from lava vesicle textures

P Verdurme, L Gurioli, O Chevrel, E Médard… - Earth and Planetary …, 2024 - Elsevier
Abstract The 2018–2021 Fani Maoré submarine eruption (offshore of Mayotte, Mozambique
Channel) extruded a bulk volume of∼ 6.5 km 3 of basanite magma onto the seafloor at a …

In situ observation of nanolite growth in volcanic melt: A driving force for explosive eruptions

D Di Genova, RA Brooker, HM Mader, JWE Drewitt… - Science …, 2020 - science.org
Although gas exsolution is a major driving force behind explosive volcanic eruptions,
viscosity is critical in controlling the escape of bubbles and switching between explosive and …

Bubble-enhanced basanite–tephrite mixing in the early stages of the Cumbre Vieja 2021 eruption, La Palma, Canary Islands

D González-García, T Boulesteix, A Klügel, F Holtz - Scientific Reports, 2023 - nature.com
Syneruptive magma mixing is widespread in volcanic eruptions, affecting explosivity and
composition of products, but its evidence in basaltic systems is usually cryptic. Here we …

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 …

Vapour dynamics during magma–water interaction experiments: hydromagmatic origins of submarine volcaniclastic particles (limu o Pele)

CI Schipper, I Sonder, A Schmid… - Geophysical Journal …, 2013 - academic.oup.com
Recent observations have shattered the long-held theory that deep-sea (> 500 m) explosive
eruptions are impossible; however, determining the dynamics of unobserved eruptions …

Direct nanoscale observations of degassing-induced crystallisation in felsic magmas

M Pistone, E Formo, AG Whittington, T Herbst… - … to Mineralogy and …, 2022 - Springer
Water degassing plays a major role in magma transport and eruption by increasing liquidus
temperatures, bubble and crystal volume fractions, and strongly affecting the viscosity of bulk …

Magma dynamics within a basaltic conduit revealed by textural and compositional features of erupted ash: the December 2015 Mt. Etna paroxysms

M Pompilio, A Bertagnini, P Del Carlo, A Di Roberto - Scientific Reports, 2017 - nature.com
In December 2015, four violent explosive episodes from Mt. Etna's oldest summit crater, the
Voragine, produced eruptive columns extending up to 15 km asl and significant fallout of …

Magma mixing enhanced by bubble segregation

S Wiesmaier, D Morgavi, CJ Renggli, D Perugini… - Solid Earth, 2015 - se.copernicus.org
In order to explore the materials' complexity induced by bubbles rising through mixing
magmas, bubble-advection experiments have been performed, employing natural silicate …

Rheology of nanocrystal-bearing andesite magma and its roles in explosive volcanism

S Okumura, K Uesugi, A Goto, T Sakamaki… - … Earth & Environment, 2022 - nature.com
Recent petrological and experimental studies have proposed that explosive volcanism may
originate from the formation of nanoscale crystals in magma and the resultant ductile–brittle …