INV10a
Constraining Petrological and Geochemical Variations in Magmas to Capture the Evolution of Volcanoes over Space and Time: Insights from the Asia-Pacific, Europe/Africa, and Americas Regions - Session 1

Monday, 14 December 2020: 14:00-18:00
Virtual
Submitter/Organizer:  Georg F Zellmer, Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand
Co-conveners:  Georg F Zellmer, Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand and Michael C Rowe, The University of Auckland, Auckland, New Zealand
Presenters:  Marco Brenna1, Daniel Coulthard Jr2, Hajime Taniuchi3, Raimundo Brahm2, Simon Barker4, Kurumi Iwahashi5, Nessa D Mello6, Ruadhán Magee7, Naoki Araya8, Charline Lormand2, Weiran Li9, Shumpei Yoshimura10, Carlos Corella Santa Cruz2, Chris Conway11 and Aliz Zemeny2, (1)University of Otago, Dunedin, New Zealand(2)Massey University, Palmeston North, New Zealand(3)Hokkaido University, Department of Natural History Science, Sapporo, Japan(4)Victoria University of Wellington, Wellington, New Zealand(5)The University of Tokyo, Tokyo, United States(6)Massey University, Palmerston North, New Zealand(7)University of Queensland, School of Earth and Environmental Sciences, St Lucia, QLD, Australia(8)Tohoku University, Sendai, Japan(9)Nanyang Technological University, Singapore, Singapore(10)Hokkaido University, Sapporo, Japan(11)Geological Survey of Japan, Tsukuba, Japan
14:00
Mantle metasomatism and implications for primary basalt composition in intraplate volcanic provinces (783546)
Marco Brenna1, Alessio Pontesilli1, Mike Palin1, Sebastien Pilet2, Barbara Faccini3 and Massimo Coltorti4, (1)University of Otago, Dunedin, New Zealand, (2)University of Lausanne, Institute of Earth Sciences, Lausanne, Switzerland, (3)Università degli Studi di Ferrara, Ferrara, Italy, (4)Università degli Studi di Ferrara, Physics and Earth Science, Ferrara, Italy
14:15
The basis for chromite-melt diffusion chronometry in an oxybaro-geospeedometric context (783577)
Daniel Coulthard Jr, Massey University, Palmeston North, New Zealand and Georg F Zellmer, Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand
14:30
Long-term evolution of subduction-zone volcano: Geology, petrology and geochemistry of Rishiri Volcano, southern Kuril Arc (783738)
Hajime Taniuchi1, Takeshi Kuritani2 and Mitsuhiro Nakagawa2, (1)Hokkaido University, Department of Natural History Science, Sapporo, Japan, (2)Hokkaido University, Sapporo, Japan
14:45
Volatile budget variations along and across the arc in northern Japan (783545)
Raimundo Brahm1, Georg F Zellmer2, Takeshi Kuritani3, Naoya Sakamoto4, Mitsuhiro Nakagawa3, Hisayoshi Yurimoto5, Daniel Coulthard Jr1 and Eiichi Sato6, (1)Massey University, Palmeston North, New Zealand, (2)Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand, (3)Hokkaido University, Sapporo, Japan, (4)Hokkaido University, Isotope Imaging Laboratory, Sapporo, Japan, (5)Hokkaido University, Division of Earth and Planetary Sciences, Sapporo, Japan, (6)Hokkaido Education University, Sapporo, Japan
15:00
The magmatic driving force behind the most productive silicic volcanic system on Earth (783544)
Simon Barker1, Michael C Rowe2, Finnigan Illsley-Kemp3 and Colin J N Wilson3, (1)Victoria University of Wellington, Wellington, New Zealand, (2)The University of Auckland, Auckland, New Zealand, (3)Victoria University of Wellington, School of Geography, Environment and Earth Science, Wellington, New Zealand
15:15
Decoding pre-eruptive process using crystal clots: Unzen 1792 and 1991-95 eruption (783686)
Kurumi Iwahashi, The University of Tokyo, Tokyo, United States, Atsushi Yasuda, University of Tokyo, Bunkyo-ku, Japan and Hidemi Ishibashi, Shizuoka University, Shizuoka, Japan
15:30
Deciphering magma storage and ascent processes beneath Taranaki volcano, New Zealand, from the complexity of amphibole breakdown textures (783581)
Nessa D Mello1, Georg F Zellmer2, Marianne Negrini3, Gabor Kereszturi1, John Procter4, Robert Stewart1 and David John Prior3, (1)Massey University, Palmerston North, New Zealand, (2)Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand, (3)University of Otago, Dunedin, New Zealand, (4)Massey University, Palmeston North, New Zealand
15:45
Groundmass isotope signatures reveal decadal source evolution and mixing at Mount Etna volcano (Sicily, Italy). (783700)
Ruadhán Magee1, Teresa Ubide Garralda2, John Caulfield3 and Jian-Xin Zhao1, (1)University of Queensland, School of Earth and Environmental Sciences, St Lucia, QLD, Australia, (2)University of Queensland, Brisbane, Australia, (3)Queensland University of Technology, Brisbane, Australia
16:00
Conduit pre-charge during repeated Plinian eruptions at Sakurajima volcano (783537)
Naoki Araya1, Michihiko Nakamura2, Atsushi Yasuda3, Satoshi Okumura2, Tomoki Sato4, Daisuke Miki5, Masato Iguchi6 and Nobuo Geshi7, (1)Tohoku University, Sendai, Japan, (2)Tohoku University, Department of Earth Science, Sendai, Japan, (3)Univ Tokyo, Tokyo, Japan, (4)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (5)Kyoto University, Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto, Japan, (6)Kyoto University, Kyoto, Japan, (7)Geological Survey of Japan, Tsukuba, Japan
16:15
Slow ascent of unusually hot intermediate magmas triggering Strombolian to sub-Plinian eruptions (783696)
Charline Lormand1, Georg F Zellmer2, Geoff Kilgour3, Karoly Nemeth4, Alan S Palmer4, Naoya Sakamoto5, Hisayoshi Yurimoto6, Takeshi Kuritani6, Yoshiyuki Iizuka7 and Anja Moebis4, (1)Massey University, Volcanic Risk Solutions, Palmerston North, New Zealand, (2)Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand, (3)GNS Science, Wairakei Research Center, Taupo, New Zealand, (4)Massey University, Palmerston North, New Zealand, (5)Hokkaido University, Isotope Imaging Laboratory, Sapporo, Japan, (6)Hokkaido University, Sapporo, Japan, (7)Academia Sinica, Institute of Earth Sciences, Taipei, Taiwan
16:30
ApThermo and ApTimer: new online tools for the calculation of H2O budgets in magmas and the timescales of magma ascent based on apatite chemistry (783695)
Weiran Li and Fidel Costa Rodriguez, Nanyang Technological University, Singapore, Singapore
16:45
Progressive excavation of gas pathways in hot silicic lava through fluxing of Cl-rich corrosive gas (783758)
Shumpei Yoshimura, Hokkaido University, Sapporo, Japan
17:00
Hyperactive volcanism in the Taupo Volcanic Zone: a MELTS and Magma Chamber Simulator study to explore if AFC processes with a Torlesse assimilant can explain magmatic differentiation (783574)
Carlos Corella Santa Cruz1, Georg F Zellmer2, Claudine H Stirling3, Susanne M Straub4, Marco Brenna3 and Karoly Nemeth5, (1)Massey University, Palmeston North, New Zealand, (2)Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand, (3)University of Otago, Dunedin, New Zealand, (4)Lamont Doherty Earth Observato, Palisades, NY, United States, (5)Massey University, Palmerston North, New Zealand
17:20
The types and tempos of magmatic processes that preceded historic eruptions at Miyakejima volcano, Japan (783562)
Chris Conway1, Nobuo Geshi1, Yumiko Harigane1, Genji Saito2, Derek Weller3 and Yosuke Aoki4, (1)Geological Survey of Japan, Tsukuba, Japan, (2)GSJ, AIST, Tsukuba, Japan, (3)University of Colorado at Boulder, Boulder, United States, (4)Univ Tokyo, Bunkyo-Ku, Tokyo, Japan
17:40
The role of edifice load on andesitic magma generation by melt-mush mixing: an example from Taranaki Volcano, New Zealand (783762)
Aliz Zemeny1, Georg F Zellmer2, Teresa Ubide Garralda3, Ian E Smith4, John Procter1, Al-Tamini Tapu3 and Anke Zernack5, (1)Massey University, Palmeston North, New Zealand, (2)Massey University, Volcanic Risk Solutions, Palmeston North, New Zealand, (3)University of Queensland, Brisbane, Australia, (4)Univ Auckland, Auckland, New Zealand, (5)Massey University, Palmerston North, New Zealand
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