Session 3.6: Crystals and bubbles in magma: Understanding their formation, interaction, feedbacks and effects in magma properties and eruption behaviour
Talks:
Posters:
Talks
Syn-eruptive conduit processes during basaltic-andesite to dacite Plinian eruption of Raung volcano, East Java, Indonesia: insight from the textural studies of pumice and scoria
Mradipta Lintang Alifcanta Moktikanana1, Tsukasa Ohba1, Takashi Hoshide1, Indranova Suhendro2
Monday, 14:15 - 14:30
Explosive eruption column dynamics for crystal-rich magmas
Greg A. Valentine1, Shanaka L. de Silva2
Monday, 14:30 - 14:45
Nucleation of gas bubbles triggered by shear in magmas: an experimental approach
^^Olivier Roche^1^, Jean-Michel Andanson2, Alain Dequidt2, Christian Huber3, Olivier Bachmann4, David Pinel2
Monday, 14:45 - 15:00
Interactions between bubbles and crystals: why is it so important for eruptive dynamics ? (Invited)
Marielle Collombet
Monday, 15:00 - 15:15
The explosive eruption of carbonatite and associated pyroclast textures
^^Chiedozie C. Ogbuagu^1,2,3^, Thomas J. Jones4, Benjamin F. Walter5, Sebastian Staude6, Michael Marks6, Silvio de Angelis1, Kuang C. Lin2
Monday, 15:45 - 16:00
Extensional Rheology of Crystalline Magma
Angela Tatsch, Pranabendu Moitra
Monday, 16:00 - 16:15
Predicting Bubble Number Density in Magma
^^Patrick Sullivan^1^, Fabian B. Wadsworth2, Halim Kusumaatmaja3, James E. Gardner4, Tamara L. Carley5, Dork Sahagian6, Edward W. Llewellin1
Monday, 16:15 - 16:30
Posters
Investigating transitions in eruption style at ocean island volcanoes using XCT analysis of bubble textures
^^Amy Kember^1^, Margaret Hartley1, Margherita Polacci1, Elizabeth Evans2, Lucia Mancini3
Monday, 16:30 - 18:30 • 201
An oscillatory rheology measurement of crystal-bearing molten magma
^^Atsuko Namiki^1^, Konan Saito1, Satoshi Okumura2, Masato Hoshino3, Kentaro Uesugi3, Kazuhiro Tsukada4, Natsuko Takagi4, Michael Manga6
Monday, 16:30 - 18:30 • 203
Experimental analysis of slug regimes using kymography.
Hannah Calleja1, Eric Breard1, Tom D Pering2, Ian Butler1, Linda A Kirstein1, J Godfrey Fitton1
Monday, 16:30 - 18:30 • 205
Chemical and textural analysis of tube forming lavas at Vesuvius (Italy) by EMPA and 3D X-ray micro-CT
Thomas Lemaire1, Daniele Morgavi1, Fabio Arzilli2, Sonia Calvari3, Emily Charlotte Bamber4, Giuseppe La Spina3, Ciro Cucciniello1, Marko Prasek5, Lucia Mancini6, Paola Petrosino1
Monday, 16:30 - 18:30 • 207
Textures, formation and implications of palisade bubbles within felsic pyroclastic products
Shannen Mills1, Anke Zernack1, Colin Wilson2, Jonathan Procter1, Joseph Fleming1, Andrew Stevenson3,4, Benedicta Arhatari3.
Monday, 16:30 - 18:30 • 208
The Multiphase Viscosity of Lava: New Insights from Combining Laboratory and Field Measurements
^^Martin A. Harris^1^, Stephan Kolzenburg1 , and Magdalena Oryaëlle Chevrel1,2,3,4,
Monday, 16:30 - 18:30 • 209
Influence of bubbles on the extensional rheology and fragmentation of magma
Ceri Allgood, Thomas Jones
Monday, 16:30 - 18:30 • 210
The 62.5 Ma Dongri-Uttan rhyolite sequence, Mumbai area, Panvel flexure zone: late-Deccan effusive-explosive silicic eruptions during India-Seychelles continental breakup
^^Arunodaya Shekhar^1^, Hetu Sheth1, Anmol Naik2, B. Astha1
Monday, 16:30 - 18:30 • 211
Slug formation in basaltic eruptions driven by rapid coalescence of bubbles
Takafumi Maruishi1, Atsushi Toramaru2
Monday, 16:30 - 18:30 • 212
A rheological map of Mauna Loa Basalts
^^Stephan. Kolzenburg^1^, Martin. A. Harris1, M. Oryaelle. Chevrel1,2,3,4 Kendra. J. Lynn5
Monday, 16:30 - 18:30 • 213
Numerical simulation of nucleation, growth, and coalescence of bubbles in magma
Masatoshi Ohashi
Monday, 16:30 - 18:30 • 214
In-situ degassing of natural crystal-bearing silicic magmas
^^Francisco Cáceres^1^, Mathieu Colombier2, Alain Burgisser3, Rebecca deGraffenried4, Christian M. Schlepütz5, Pedro Valdivia6, Simon Thivet7, Bettina Scheu2, Janine Birnbaum2, Ruben M. Ruhekenya8, Daniel Weidendorfer2, Kai-Uwe Hess2, Donald B. Dingwell2
Monday, 16:30 - 18:30 • 215
The effect of microlites on the extensional rheology and fragmentation of basaltic magma
Ceri Allgood, Thomas Jones
Monday, 16:30 - 18:30 • 216
Effect of bubble dynamics in driving explosivity of peralkaline trachytic/phonolitic magmas
Lorenzo Cappelli1,Gianmarco Buono2, Lucia Pappalardo2, Karen Fontijn1
Monday, 16:30 - 18:30 • 217
Textural evolution of pyroclastic products of the Villarrica volcano between 2015-2024: insights into its eruptive style transitions
Flavia Rojas1, Margherita Polacci1, Jorge Romero2, Barbara Bonechi1, Elisa Biagioli1, David Neave1
Monday, 16:30 - 18:30 • 218
Exploring Textural Signatures of Submarine Volcanism in Rafted Pumice from the 2019 Eruption of Volcano F, Tonga
^^Sarah Ward1,^^Kristen Fauria2, Martin Jutzeler3, Jhardel Dascent4, Vashan Wright4, Nadia McGlynn1
Monday, 16:30 - 18:30 • 219
A constitutive equation for the viscosity of bubbly magmas
^^Gaetano Ferrante^1^, Helge Gonnermann1, Céline Fliedner1,2, Thomas Giachetti3, Amy G. Ryan1
Monday, 16:30 - 18:30 • 220
Formation of obsidian by resorption of volatiles during slow cooling
Ed Llewellin1, Patrick Sullivan1, Fabian Wadsworth2, Jason Coumans1, Madeleine Humphreys1, Kate Dobson3, Tegan Havard4, Anja Allabar5, Marcus Nowak5, Richard Brooker6, James Gardner7, Thomas Connolly8, Halim Kusumaatmaja9, Ceri Allgood10
Monday, 16:30 - 18:30 • 221
The role of bubble-crystal interactions in the eruption dynamics of alkaline magmas: implications for Vesuvius volcano
Fabio Arzilli1, Giuseppe La Spina2, Emily C. Bamber3, Daniele Morgavi4, Lorenzo Fedele4, Lucia Mancini5, Marko Prašek6, Ileana Santangelo4, Giulia Chiominto4, Annamaria Perrotta4, Thomas Lemaire4, Hélène Balcone-Boissard7, Daniele Giordano8, Claudio Scarpati4
Monday, 16:30 - 18:30 • 222
Toward an experimentally validated kinetic model of polydisperse bubble population dynamics
Simone Colucci1, Antonio Buffo2, Federico Brogi1, Chiara Paola Montagna1
Monday, 16:30 - 18:30 • 223
Insights into fragmentation and densification processes from a fossilised shallow conduit on the flank of the Nevados de Chillán Volcanic Complex
Flavia Rojas1,2, John Browning1,2, Hugh Tuffen3, José Cembrano1,2, Javier Espinosa-Leal1,2, Holly E. Unwin4, Thomas M. Mitchell5, Karin Hofer-Apostolidis1,2, Philip G. Meredith5
Monday, 16:30 - 18:30 • 224
