A chemical threshold controls nanocrystallization and degassing behaviour in basalt magmas

Alex Scarani; Alessio Zandonà; Fabrizio Di Fiore; Pedro Valdivia; Rizaldi Putra; Nobuyoshi Miyajima; Hansjörg Bornhöft; Alessandro Vona; Joachim Deubener; Claudia Romano; Danilo Di Genova

doi:10.1038/s43247-022-00615-2

Communications Earth & Environment (Nov 2022)

A chemical threshold controls nanocrystallization and degassing behaviour in basalt magmas

Alex Scarani,
Alessio Zandonà,
Fabrizio Di Fiore,
Pedro Valdivia,
Rizaldi Putra,
Nobuyoshi Miyajima,
Hansjörg Bornhöft,
Alessandro Vona,
Joachim Deubener,
Claudia Romano,
Danilo Di Genova

Affiliations

Alex Scarani: Dipartimento di Scienze, Università degli Studi Roma Tre
Alessio Zandonà: CNRS, CEMHTI UPR3079, University of Orléans
Fabrizio Di Fiore: Dipartimento di Scienze, Università degli Studi Roma Tre
Pedro Valdivia: Bavarian Research Institute of Experimental Geochemistry and Geophysics (BGI), University of Bayreuth
Rizaldi Putra: Bavarian Research Institute of Experimental Geochemistry and Geophysics (BGI), University of Bayreuth
Nobuyoshi Miyajima: Bavarian Research Institute of Experimental Geochemistry and Geophysics (BGI), University of Bayreuth
Hansjörg Bornhöft: Institute of Non-metallic Materials, Clausthal University of Technology
Alessandro Vona: Dipartimento di Scienze, Università degli Studi Roma Tre
Joachim Deubener: Institute of Non-metallic Materials, Clausthal University of Technology
Claudia Romano: Dipartimento di Scienze, Università degli Studi Roma Tre
Danilo Di Genova: Institute of Environmental Geology and Geoengineering (IGAG), National Research Council of Italy (CNR)

DOI: https://doi.org/10.1038/s43247-022-00615-2
Journal volume & issue: Vol. 3, no. 1
pp. 1 – 14

Abstract

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Nanocrystallization in experiments on basalt melts and glasses from Mt. Etna and Stromboli is mainly triggered by undercooling-driven oversaturation in TiO2 and FeO, which could bias viscosity measurements and affect magma dynamics during decompression.

Published in Communications Earth & Environment

ISSN: 2662-4435 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science: Geology; Geography. Anthropology. Recreation: Environmental sciences
Website: https://www.nature.com/commsenv/

About the journal