Session 3.8: Hydrothermal alteration in volcanic systems
Talks:
Posters:
Talks
Volcanic hydrothermal systems on andesitic composite volcanoes -- Mineralogy, 3D architecture and their use to understand flank collapse activity (Invited)
Gabor Kereszturi1 , Antonio M. Álvarez-Valero2, Nessa D'Mello1,3, Mercedes Suárez Barrios2, Rachelle Sanchez1, Craig Miller4 and Daniel A. Coulthard Jr1
Thursday, 10:30 - 10:45
Continuous subaerial mapping of hydrothermal outflow in Milos: the new view from visible and infrared drone imaging.
Jean-Emmanuel Martelat 1, Thibault Cavailhes 2, Philippe Grandjean 1, Sylvain Augier 1, Sophie Passot 1, Pascal Allemand 1, Escartín Javier 3, Nomikou Paraskevi 4, Konstantina Bejelou 4
Thursday, 10:45 - 11:00
Combining 3D ERT, drone and satellite images with geochemical analysis to investigate the nature of the Goshogake hydrothermal field, Japan.
Matteo Lupi 1, Adriano Mazzini2, Kareshma Narine1, Julien Sfalcin3, Marceau Gresse4, Perach Nuriel1
Thursday, 11:00 - 11:15
Hydrothermal Weakening and Slope Instability at La Fossa Cone, Vulcano Island (Italy): A Combined Approach Using Drone Imaging and In-Situ Strength Testing
Benjamin F. De Jarnatt1,2, Thomas R. Walter1,2, Michael. J. Heap3,4, Daniel Mueller1, Julia Nikutta5, Antonino F. Pisciotta6
Thursday, 11:15 - 11:30
A finding of vapor-dominated zones within the caprock beneath the major fumarolic manifestations and its implications; CSAMT survey of fumarole area in Hakone volcano, Japan
Kazutaka Mannen1 , Ryosuke Doke2, Akira Johmori3, George Kikugawa1, Takuto Minami4, Tetsuya Takahashi3, Mitsuru Utsugi5, Koichiro Fujimoto6
Thursday, 14:15 - 14:30
Impact of hydrothermal activity on the geomorphology of the Nisyros intra-caldera region
Daniel Müller1 , Elisavet Nikoli2, Moritz Lang3, Alina Shevchenko1, Thomas R. Walter1, Paraskevi Nomikou2, Thor Hansteen4, Tom Kwasnitschka4
Thursday, 14:30 - 14:45
Investigating the influence of Deccan Volcanism and hydrothermal alteration on seismic hazards in the Koyna-Warna Seismogenic Region, Western India
Piyal Halder1,2 , Anupam Sharma^1,2^, Matsyendra Kumar Shukla3, Kamlesh Kumar1,2
Thursday, 14:45 - 15:00
Metals in tuffisite veins
Kim Berlo 1, Hugh Tuffen 2
Thursday, 15:00 - 15:15
Posters
Hydrothermal alteration and multi-phase 3D structure of the summit of La Soufrière de Guadeloupe
Aida Mendieta1, Marina Rosas-Carbajal1, David Jessop2,Raphaël Bajou1,3, Patrick Baud4, Sébastien Deroussi1, Tomaso Esposti Ongaro5, Jean-Christophe Komorowski1, Alexandra R. L. Kushnir6, Marlène Villeneuve7, and Michael J. Heap4,7
Thursday, 16:30 - 18:30 • 25
Reactive Flow-Induced Alteration and Permeability Evolution in Volcanic Rock Analogues
Andrea Mazzeo 1, Marie Violay2, Alexandra R.L. Kushnir1.
Thursday, 16:30 - 18:30 • 26
Mechanical implications of a hydrothermal core within Teide volcano, Tenerife
Claire E. Harnett1 , Michael J. Heap2, 3, Davitia James4, Benjamin De Jarnatt4, Pablo J. González5, Thomas Boulesteix5, Thomas R. Walter4, Valentin R. Troll6
Thursday, 16:30 - 18:30 • 27
Using multispectral satellite data and cloud computing to monitor hydeothermal alteration in Lastarria Volcano
Guosheng Gao^1 ^, Thomas R. Walter1,2, Pouria Marzban1,2,3, Daniel Müller1, Simon Plank4
Thursday, 16:30 - 18:30 • 28
Hydrothermal sealing and erratic explosive behaviour at Rincón de la Vieja, Turrialba, and Poás volcanoes (Costa Rica)
Michael Heap1, Geoffroy Avard2, Claire Harnett3, Albert Gilg4, Thierry Reuschlé1, and Patrick Baud1
Thursday, 16:30 - 18:30 • 29
Cristobalite Formation in Synthetic Glasses through the Role of Mineralizing Agents in Alteration Experiments
Cindy Mikaelian 1 , Lukas Baumgartner 2 , Arthur Adams 3 , Marie Violay 1 , Alexandra Kushnir 1
Thursday, 16:30 - 18:30 • 30
Thermal Footprints of the Central Crater at Mt. Etna (Italy): Insights into Abrupt Changes in Surface Permeability, Hydrothermal Alteration, and Sporadic Thermal Anomalies
Benjamin F. De Jarnatt1,2, Thomas R. Walter1,2, Valentin R.Troll3, Michael J. Heap4,5, Claire E. Harnett6, Emanuela De Beni7, Valerian Schuster1, Harald Milsch1
Thursday, 16:30 - 18:30 • 31
Influence of subsurface soil and lithology alteration on degassing at Krafla Caldera, Iceland
Roberto Davoli 1, Katharina Engels1, Cristian Montanaro1, Tullio Ricci2, Alessandra Sciarra2, Bettina Scheu1
Thursday, 16:30 - 18:30 • 32
Quantifying hydrothermal system timescales at Tongariro volcano, Aotearoa New Zealand
Rachelle Sanchez1, Gabor Kereszturi1, Antonio M. Álvarez-Valero2, Geoff Kilgour3, María Mercedes Suárez Barrios2, Georg F. Zellmer1,
Thursday, 16:30 - 18:30 • 33
3D micro-deformation in hydrothermally altered andesites - Alteration-induced rock fracturing or fracture-induced alteration?
Maia Kidd 1, Mike Heap2, Gabor Kereszturi1, Shannen Mills1, Ben Kennedy3, Andrew Stevenson4,5, Benedicta Arhatari4, Jonathan Procter1
Thursday, 16:30 - 18:30 • 34
Repeated drone aeromagnetic surveys to reveal shallow thermal activity at Tokachidake Volcano
Toshiaki Hokari 1, Ryo Tanaka2, Takeshi Hashimoto2, Takao Koyama3
Thursday, 16:30 - 18:30 • 35
Mineralogical studies and sulfur isotopic characteristics of volcanic ash from phreatomagmatic eruptions -Case studies of Aso volcano, Japan-
Aoi Hirata¹, Tsukasa Ohba¹
Thursday, 16:30 - 18:30 • 36
From Cause to Hazard: Assessing Alteration-Induced Instability in Volcanic Domes
Kendra Ní Nualláin1, Claire E. Harnett1, Alexis Hyrsiewicz1, Michael J. Heap2, Thomas R. Walter3
Thursday, 16:30 - 18:30 • 37
Unravelling alteration processes at Adatara volcano in the laboratory
^^ Jamie I. Farquharson^^ 1, Kyoko S. Kataoka2, Takumi Imura3
Thursday, 16:30 - 18:30 • 38
Hyperspectral imaging, mineralogy, and outgassing, exploring the volcanic hydrothermal system of Red Crater, Tongariro, Aotearoa / New Zealand
Daniel Sturgess1 , Gabor Kereszturi1, Agnes Mazot2, Nitin Bhatia3, Stuart Mead1
Thursday, 16:30 - 18:30 • 39
Silicification Processes of the Goderdzi Petrified Forest: Insights from Mineralogical Studies
Mirian Makadze1, Avtandil Okrostsvaridze2, George E. Mustoe3
Thursday, 16:30 - 18:30 • 40
The effects of hydrothermal alteration in the upper edifice of Copahue volcano (Argentina-Chile)
Matías Tramontini1, Marina Rosas-Carbajal2 , Michael Heap3,4, Pascale Besson2, Jacques Marteau5, Sebastián García6 and Fabio I. Zyserman1
Thursday, 16:30 - 18:30 • 41
On the historical phreatic eruptions of Milos (Greece): an intertwined seismic/volcanic hazard?
Thibault Cavailhes 1, Jean-Emmanuel Martelat 2, Philippe Grandjean 2, Sylvain Augier 2, Sophie Passot 2, Pascal Allemand 2, Escartín Javier 3, Nomikou Paraskevi 4, Konstantina Bejelou 4
Thursday, 16:30 - 18:30 • 42
Trace metals in hydrothermal systems: Northern Volcanic Zone, Iceland
Júlia Mattioli 1, Kim Berlo2, Daniele Luigi Pinti1 ,Vincent van Hinsberg2, Ásgerður K. Sigurðardóttir3, Helgi Arnar Alfreðsson3, Bjarni Gautason4
Thursday, 16:30 - 18:30 • 43
Reconstruction of the dynamics of hydrothermal explosions based on ballistic ejecta characterization - Insights from Pocket Basin, Yellowstone National Park
Bettina Scheu 1, Anna E. Freudenstein1,2, Lauren N. Harrison3,4, Arjun Sreekumar1, Shaul Hurwitz2, Shane Cronin5, Ingrid A. Ukstins5, Cristian Montanaro1
Thursday, 16:30 - 18:30 • 44
Hydrothermal alteration and fluid circulation in a collapsing volcano (Askja caldera, central Iceland)
Florian Sfalcin 1, Kalin Kouzmanov1, Nicolas Oestreicher1,2,3, Antoine De Haller1, Tom Sheldrake1, Bhagyashree Mishra1, Frank Förster1, Joël Ruch1
Thursday, 16:30 - 18:30 • 45
