10:45 AM - 11:00 AM
*Susumu Umino1, Yuki Kusano2, Atsushi Yamaji3, Takahiro Fudai1 (1.Department of Earth Sciences, Kanazawa University, 2.Geological Survey of Japan, AIST, 3.Division of Earth and Planetary Sciences, Kyoto University)
[EE] Oral
S (Solid Earth Sciences) » S-MP Mineralogy & Petrology
Mon. May 21, 2018 10:45 AM - 12:15 PM A08 (Tokyo Bay Makuhari Hall)
convener:Yoshihiko Tamura(R & D Center for Ocean Drilling Science, Japan Agency for Maine-Earth Science and Technology), Osamu Ishizuka(Geological Survey of Japan, AIST), Chris Conway, Chairperson:Tamura Yoshihiko(JAMSTEC), Ishizuka Osamu
A paradigm of the solid Earth geochemical cycles is that the Earth's crust forms by melting of the Earth's upper peridotitic mantle. A new study relates crustal thickness to magma type in the Izu-Ogasawara (Bonin) and Aleutian oceanic arcs, which suggests that continental crust (andesitic magma) is produced only when the crust is thin, thus only in oceanic arcs. How diverse 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 among ophiolites, at divergent and convergent plate boundaries and within-plate (or ocean island??) settings based on volcanology, petrology, geochemistry, geophysics, geochronology, and geodynamics studies.
10:45 AM - 11:00 AM
*Susumu Umino1, Yuki Kusano2, Atsushi Yamaji3, Takahiro Fudai1 (1.Department of Earth Sciences, Kanazawa University, 2.Geological Survey of Japan, AIST, 3.Division of Earth and Planetary Sciences, Kyoto University)
11:00 AM - 11:15 AM
*Tomoaki Morishita1, Kenichiro Tani2, Akihiro Tamura1, Sumiaki Machi4, Seth Hooper6, Hamed Gamal El Dien5, Peter B Kelemen3 (1.School of Natural System, Colleage of Science and Technology, Kanazawa University, 2.National Museum of Nature and Science, 3.Lamont-Doherty Earth Observatory, Columbia University, 4.Katsuyama Geopark, 5.Tanta University, 6.University of Alaska Fairbanks)
11:15 AM - 11:30 AM
*Marie Python1, Bénédicte Abily2, Georges Ceuleneer2, Shoji Arai3 (1.Hokkaido University Department of Natural History Science Division of Earth and Planetary Systems Sciences, 2.Université Paul Sabatier, GET, OMP, Toulouse, France, 3.Kanazawa University, Kanazawa, Japan)
11:30 AM - 11:45 AM
Aoi Kusaka1, *Marie Python1, Shoji Arai2 (1.Hokkaido University Department of Natural History Science Division of Earth and Planetary Systems Sciences, 2.Kanazawa University, Department of Earth Science)
11:45 AM - 12:00 PM
*Yoshihiko Tamura1, Eiichi TAKAZAWA1,2, Georges Ceuleneer3, Katsuyoshi Michibayashi4, Tomoki Sato1, Shuichi Kodaira5, Seiichi Miura5 (1.ODS, JAMSTEC, 2.Niigata University, 3.Universite de Toulouse, 4.Shizuoka University, 5.CEAT, JAMSTEC)
12:00 PM - 12:15 PM
*Chris Conway1, Richard Wysoczanski2, Alexander Nichols4, Joel Baker3, Helen Bostock2 (1.National Museum of Nature and Science, 2.National Institute of Water and Atmospheric Research, 3.University of Auckland, 4.University of Canterbury)
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