Japan Geoscience Union Meeting 2018

Session information

[EE] Oral

S (Solid Earth Sciences) » S-CG Complex & General

[S-CG54] Hard-Rock Drilling: Oman to Oceanic Lithosphere to Island Arc Formation and Beyond

Mon. May 21, 2018 3:30 PM - 5:00 PM A09 (Tokyo Bay Makuhari Hall)

convener:Eiichi TAKAZAWA(Department of Geology, Faculty of Science, Niigata University), Katsuyoshi Michibayashi(Department of Earth and Planetary Sciences, Nagoya University), Peter B Kelemen (共同), Damon A H Teagle (Ocean & Earth Science, National Oceanography Centre Southampton, University of Southampton, SO14-3ZH, Southampton, UK), Chairperson:Michibayashi Katsuyoshi, Abe Natsue(R&D Center for Ocean Drilling Science, JAMSTEC)

The on-going Oman Drilling Project (OmDP) has drilled numerous hard-rock cores of ancient oceanic lithosphere and the underlying subduction zone of the Samail ophiolite in Oman, with support from ICDP, IODP, the Sloan Foundation's Deep Carbon Observatory, and Japanese, US, and European research agencies. Moreover, a number of IODP expeditions have focused on hard-rock drilling over the last 5 years including Expedition 352 in 2014, which drilled the volcanic sequence associated with subduction initiation in the Bonin fore-arc, Expedition 357, which drilled the Lost City hydrothermal field, Expedition 360, which drilled the lithosphere associated with ultraslow-spreading at the Southwest Indian Ridge in 2016, and Expedition 366, which drilled the serpentinite seamounts in the Mariana fore-arc. In this session, we invite presentations on the scientific results of hard-rock drilling at these and other sites. We also invite related presentations on oceanic lithosphere, island arc formation, and any other significant issue that could be addressed by future hard-rock drilling. This includes marine studies of oceanic lithosphere and on-land geological investigations of ophiolites, accreted arcs, and subduction complexes. The session is intended to be interdisciplinary, including the fields of geophysics, geochemistry, petrology, engineering, and biology.

3:30 PM - 4:00 PM

*Peter B Kelemen1, JC deObeso1, M Godard2, KTM Johnson3, K Okazaki4, CE Manning5, JL Urai6, K Michibayashi7, M Harris8, J Coggon9, J Matter9, E Takazawa10, DAH Teagle9, Oman Drilling Project Phase I Science Party (1.Columbia U., 2.U. Montpellier, 3.U. Hawaii, 4.JAMSTEC, 5.UCLA, 6.U. Aachen, 7.Shizuoka U., 8.U. Plymouth, 9.U. Southampton, 10.Niigata U.)

4:00 PM - 4:15 PM

*Tomoaki Morishita1, Peter B Kelemen2, Judith Coggon3, Juerg Matter3, Michelle Harris6, Katsuyoshi Michibayashi4, Eiichi TAKAZAWA5, Damon A H Teagle3, Marguerti Godard7, Science Party Oman Drilling Project Phase I8 (1.School of Natural System, Colleage of Science and Technology, Kanazawa University, 2.Lamont-Doherty Earth Observatory, Columbia University, USA, 3.Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, 4.Shizuoka University, 5.Niigata University, 6.School of Geography, Earth and Environmental Sciences, Plymouth University, 7.Geosciences Montpellier, CNRS University of Montpellier, 8.Oman Drilling Project Phase 1 Science Party)

4:15 PM - 4:30 PM

*Keishi Okazaki1, Kohei Hatakeyama2, Natsue Abe3, James Andrew Leong4, Katsuyoshi Michibayashi6, Peter B Kelemen5, Michelle Harris7, Oman Drilling Project Phase 1 Science Party (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Department of Earth and Planetary Systems Science, Hiroshima University, 3.R&D Center for Ocean Drilling Science, Japan Agency for Marine-Earth Science and Technology, 4.School Of Earth and Space Exploration, Arizona State University, 5.Lamont Doherty Earth Observatory, Columbia University, 6.Department of Geoscience, Shizuoka University, 7.School of Geography, Earth and Environmental Sciences, Plymouth University)

4:30 PM - 4:45 PM

*Eiichi TAKAZAWA1,5, Jude Ann Coggon3, Peter B Kelemen2, Moe KhawThu5, Juerg Michael Matter3, Katsuyoshi Michibayashi4, Yoshihiko Tamura5, Damon A H Teagle3, Yasuhiro Yamada5, The Oman Drilling Project Phase I Science Party (1.Department of Geology, Faculty of Science, Niigata University, 2.Columbia University, 3.University of Southampton, 4.Shizuoka University, 5.JAMSTEC)

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