Japan Geoscience Union Meeting 2019

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[E] Oral

S (Solid Earth Sciences ) » S-MP Mineralogy & Petrology

[S-MP30] Crust-Mantle Connections

Tue. May 28, 2019 1:45 PM - 3:15 PM A07 (TOKYO BAY MAKUHARI HALL)

convener:Yoshihiko Tamura(Research Institute for Marine Geodynamics, Japan Agency for Maine-Earth Science and Technology), Osamu Ishizuka(Geological Survey of Japan, AIST), Chris Conway(Geological Survey of Japan), Chairperson:Yoshihiko Tamura(JAMSTEC), Chris Conway, Tomoaki Morishita(Kanazawa University)

A paradigm of the solid Earth geochemical cycles is that the Earth's crust forms by melting of the Earth's upper peridotitic mantle. How divers is the spectrum of primary melts and which factors may contribute to its variations? What is the influence of crustal processing vs. primary magma diversity in creating the diversity of the Earth's crust? The session seeks to explore the crust-mantle connections at divergent and convergent plate boundaries, and oceanic island settings based on volcanology, petrology, geochemistry, geophysics, geochronology, and geodynamics studies.

2:00 PM - 2:15 PM

[SMP30-02] A series of cummingtonite-bearing rhyolites in Niijima, Izu-Bonin arc, Japan: petrological and geochemical constraints

★Invited Papers

*Yoji Arakawa1, Daisuke Endo2, Junya Oshika3, Taro Shinmura4, Kei Ikehata1 (1.Earth Evolution Sciences, Faculty of Life and Environmental Sciences, University of Tsukuba, 2.Shimane Prefectural Sanbe Nature Museum Sahimeru (Shimane) , 3.Earth Resoueces Faculty, China University of Geosciences, 4.Faculty of Economics, Kumanoto-Gakuen University)

2:15 PM - 2:30 PM

[SMP30-03] Generation of primary andesitic magma in oceanic arcs: Evidence from Kibblewhite Volcano, Kermadec Arc

★Invited Papers

*Yasuhiro Hirai1,2, Yoshihiko Tamura2, Kaj Hoernle3, Christian Timm4, Folkmar Hauff3, Reinhard Werner3, Bogdan Vaglarov2, Qing Chang2, Takashi Miyazaki2, Jun-Ichi Kimura2 (1.Graduate School of Natural Science and Technology, Kanazawa University, Japan, 2.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa, Japan, 3.GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany, 4.GNS Science, Lower Hutt, New Zealand)

2:45 PM - 3:00 PM

[SMP30-05] Hydrous felsic magma generated by unmixing of slab-derived supercritical liquid: evidence from Rishiri Volcano, Kuril Arc

★Invited Papers

*Hajime Taniuchi1, Takeshi Kuritani2,3, Tetsuya Yokoyama4,3, Eizo Nakamura3, Mitsuhiro Nakagawa2 (1.Department of Natural History Science, Graduate School of Science, Hokkaido University, 2.Department of Earth and Planetary Science, Faculty of Science, Hokkaido University, 3.Institute for Planetary Materials, Okayama University, 4.Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

3:00 PM - 3:15 PM

[SMP30-06] Genesis of recent mafic volcanism in the Taupo Volcanic Zone, New Zealand: insights into the birth and death of cataclysmic caldera-forming systems?

*Georg F Zellmer1, Jun-Ichi Kimura2, Claudine Stirling3, Gert Lube1, Phil A Shane4 (1.Volcanic Risk Solutions, Massey University, Tennent Drive, Palmerston North 4410, New Zealand, 2.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology [JAMSTEC], Natsushima-cho 2-15, Yokosuka 237-0061, Japan, 3.Department of Chemistry, University of Otago, Dunedin 9054, New Zealand, 4.School of Environment, University of Auckland, Auckland 1142, New Zealand)

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