Session 1.9: Perspectives on magma storage and transport in the crust – lessons from mineral compositions and crystal textures in volcanic and plutonic rocks

Talks:

Thursday 14:15 - 16:30

Room S150

Posters:

Thursday 16:30 - 18:30

Room S150

Talks

4D crystallisation and dissolution kinetics in hydrous basaltic magmas: implications for dynamics of volcanic processes (Invited)

Fabio Arzilli¹, Margherita Polacci², Giuseppe La Spina³, Danilo Di Genova⁴, Emily C. Bamber⁴, Richard A. Brooker⁵, Rafael Torres-Orozco⁶, Barbara Bonechi², Silvio Mollo⁷, Edward W. Llewellin⁸, David A. Neave², Margaret E. Hartley², Nolwenn Le Gall⁹, Robert Atwood¹⁰, Peter D. Lee⁹, Mike R. Burton²

Thursday, 14:15 - 14:30

Provenance of Deformed Olivine in Kīlauea's Summit and Lower East Rift Zone Eruptions.

Christina Cauley¹, Paul Wallace¹, Penny Wieser², Kendra J. Lynn³, Allan Lerner⁴, Thomas Shea⁵

Thursday, 14:30 - 14:45

Widespread and abundant interstitial silicic glasses in tholeiitic dykes of the Konkan Plain, western Deccan Traps: implications for silicic magma genesis in continental flood basalt provinces

B. Astha¹ , Hetu Sheth¹, Anmol Naik^1,2, Arunodaya Shekhar¹

Thursday, 14:45 - 15:00

The effect of crystal shape and growth history on fabric and permeability of magma mush

Brenna A. Halverson ¹, Katherine J. Dobson², Madeleine Humphreys¹, Fabian Wadsworth³, Alejandro Cuetos⁴

Thursday, 15:00 - 15:15

The magma mushes and pre-eruptive magma bodies of the Bishop Tuff

Guilherme A. R. Gualda , Calvin F. Miller

Thursday, 15:45 - 16:00

How to emplace your rhyolite: Mechanisms for rhyolitic dike emplacement from field observations and microtextural analysis at Summer Coon volcano, Colorado, USA

Gui Aksit ^1,2, Meredith Townsend^3,2, Thomas Giachetti², Kathy Cashman², Katie Springer², Andrew Harp⁴

Thursday, 16:00 - 16:15

Origin of Silicic Magmatism at the Katla Volcanic Complex, South Iceland

Valentin R. Troll^1,2, Frances M. Deegan^1,2, Jussi S. Heinonen^3,4, Caroline Svanholm¹, Chris Harris⁵, Christian M. Lacasse⁶, Harri Geiger⁷, Agata Poganj¹, Malin Andersson¹, Romain Meyer⁸, Thorvaldur Thordarson⁹

Thursday, 16:15 - 16:30

Posters

The Role of Superheating in Controlling Crystallization Kinetics: Insights from the 2021 Tajogaite Eruption

Barbara Bonechi¹, Fabio Arzilli², Margherita Polacci¹, Alessandro Fabbrizio³, Giuseppe La Spina⁴, Eleni Michailidou⁵, Jean-Louis Hazemann⁶, Richard Brooker⁷, Elisa Biagioli¹, Robert Atwood⁸, Danilo di Genova⁹, Sumith Abeykoon², Renat Almeev¹⁰, David Neave¹, Mike Burton¹

Thursday, 16:30 - 18:30 • 201

Plumbing system processes unravelled through phenocryst texture, chemistry and in-situ Sr isotopes - The Pleiades Volcanic Field (Antarctica)

Alice Tomassini ^1-2, Irene Rocchi¹, Matteo Masotta^1-3, Maurizio Petrelli⁴, Mónica Ágreda-López⁴, Teresa Ubide⁵, Sergio Rocchi^1-3

Thursday, 16:30 - 18:30 • 202

Differentiated magmas in a nascent island arc: the Nidar Ophiolite case in Ladakh, Indian Himalayas.

Olivier Reubi ¹, Othmar Müntener¹, Jean-Luc Epard¹

Thursday, 16:30 - 18:30 • 203

The nature of crustal xenoliths brought to the surface with the 2021 eruption in Fagradalsfjall

Bryndís Ýr Gísladóttir¹, Edward Wayne Marshall^1,2, William Charles Wenrich^1,3, Enikő Bali^1,4, Sæmundur Ari Halldórsson¹, John Maclennan⁵, Halldór Geirsson^1,4

Thursday, 16:30 - 18:30 • 204

Segmentation of zoned plagioclase crystals from Plinian eruptions of Mont Pelée: Implications for the characterisation of source magmas and understanding of eruption dynamics

Tom Sheldrake¹ , Aurélie Germa², Oliver Higgins³, Hélène Balcone-Boissard⁴, Sebastian Flöter¹, Saskia Erdmann⁵, Adrien Duvernois⁴

Thursday, 16:30 - 18:30 • 205

Paleomagnetic and Geochemical studies of Paleoproterozoic mafic dykes of WDC: constraints on magma plumbing systems.

Lingadevaru Muddaramaiah¹, Bidisha Bayan¹

Thursday, 16:30 - 18:30 • 206

Can volcanic activity and duration of repose times be modulated by the fertility of the mantle source? The case study of Methana volcano, Greece

Răzvan-Gabriel Popa¹ , Olivier Bachmann¹, Marcel Guillong¹, Andrea Giuliani^1,2

Thursday, 16:30 - 18:30 • 207

The production of large volumes of silicic magma in predominantly basaltic crust: Slaufrudalur pluton and the hidden volcanoes of Hornafjörður

Robert Alexander Askew ^1,2; Steffi Burchardt³; Sæmundur Ari Halldórsson¹; Catherine Rachael Gallagher¹; Olivier Bachmann⁴; Razvan-Gabriel Popa⁴; Krístján Jónasson²

Thursday, 16:30 - 18:30 • 208

Protracted magma evolution associated with plutonic activity in the transcrustal magmatic plumbing system of the Erta Ale Volcano (Afar, Ethiopia)

Juliette Pin ^1,2,3, Gilles Chazot¹, Lydéric France^2,4, Bénédicte Abily¹, Andrey Gurenko², Hervé Bertrand⁵, Alexandra Loppin¹

Thursday, 16:30 - 18:30 • 209

Igneous distillation caught in the act: Insights from Compositional Stratification in the Middle Crust of the Famatinian Arc

Giuliano Cesar Camilletti , Olivier Bachmann

Thursday, 16:30 - 18:30 • 210

Decoding melt-rock reactions in the deep crust of a magmatic arc: Insights from La Higuera ultramafic-mafic complex, Famatinian arc, Argentina

Emanuel Giovanini¹, Andrea Galli¹, Olivier Bachmann¹, Tomas Guerreiro², Eber Cristofolini²

Thursday, 16:30 - 18:30 • 211

A petrochronological approach to alkaline ring complexes: new U/Pb ages for the Lake George Ring Complex, Pikes Peak batholith, Colorado

Tobias Hendrickx¹, Julien Allaz¹, Tyler Wickland², Olivier Bachmann¹

Thursday, 16:30 - 18:30 • 212

Insights into the build-up to the early Permian Gargazzone super-eruption (Southern Alps) from high-precision zircon petrochronology

María Paula Marroquín-Gómez ¹, Dawid Szymanowski¹, Lorenzo Tavazzani¹, Corrado Morelli², Francesca Forni³, Peter Brack¹, Evelyn Kustatscher⁴.

Thursday, 16:30 - 18:30 • 213

A glimpse into the magma dynamics beneath a large caldera; erupted magma mush fragments in the Rotoiti ignimbrite, New Zealand

Elizabeth Teeter¹, Sarah Smithies², Rachel Beane³, Guilherme Gualda¹, Darren Gravley²

Thursday, 16:30 - 18:30 • 214

Glass-bearing mush fragments reveal the plutonic-volcanic connection in the Taupō Volcanic Zone, New Zealand

Sarah L. Smithies ¹, Elizabeth C. Teeter², Guilherme A. R. Gualda², Rachel Beane³, Christine M. Reimer^3,4, Natasha Haft³, Caroline Rogers^5,6

Thursday, 16:30 - 18:30 • 215

Direct FE-SEM observation of crystallization in a rhyolitic silicate melt

Mayumi Mujin , Michihiko Nakamura, Megumi Matsumoto

Thursday, 16:30 - 18:30 • 216

Crystallographic relationships in amphibole reaction rims: Insights into breakdown mechanisms and dynamic magmatic processes

Paul Wallace ¹, Sarah Henton De Angelis², Jessica Larsen³, Jackie Kendrick¹, Janine Birnbaum¹, Anthony Lamur¹, Yan Lavallée¹

Thursday, 16:30 - 18:30 • 217