Session information

[E] Poster

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

[S-CG49] Hard-Rock Drilling Science: From Continental to Deep Sea Drilling, and Oman Project

Tue. May 28, 2019 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall8, Makuhari Messe)

convener:Katsuyoshi Michibayashi(Department of Earth and Planetary Sciences, Nagoya University), Eiichi TAKAZAWA(Department of Geology, Faculty of Science, Niigata University), Norikatsu Akizawa(Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, The University of Tokyo)

The Oman Drilling Project (OmDP) has completed to drill numerous hard-rock cores within ancient oceanic lithosphere and the underlying subduction zone of the Samail ophiolite in Oman, with support from ICDP, IODP, Japan Society for the Promotion of Science, the Sloan Foundation's Deep Carbon Observatory, US, and European research agencies. Moreover, a number of IODP expeditions have focused on hard-rock drilling over the last several 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.

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[SCG49-P01] Permeability profile in the Oman Drilling Project inferred from resistivity measurements

*Ikuo Katayama¹, Keishi Okazaki², Natsue Abe², Ole Ivar Ulven³, Gilbert Hong⁴, Wenlu Zhu⁵, Benoit Cordonnier³, Kohei Hatakeyama¹, Yuya Akamatsu¹, Katsuyoshi Michibayashi⁶, Marguerite Godard⁷, Peter Kelemen⁸, Science Party The Oman Drilling Project Phase 2 (1.Hiroshima University, 2.JAMSTEC, 3.University of Oslo, 4.Seoul National University, 5.University of Maryland, 6.Nagoya University, 7.Universitè Montpellier, 8.Columbia University)

[SCG49-P02] Relationship between alteration intensity and elastic wave velocity of gabbroic rocks from ICDP Hole CM1A, Oman Drilling Project Phase II

*Kosuke Kimura¹, Ikuo Katayama¹, Kohei Hatakeyama¹, Yuya Akamatsu¹, Natsue Abe², Keishi Okazaki², The Oman Drilling Project Phase II Science Party (1.Hiroshima University, 2.JAMSTEC)

[SCG49-P03] Physical property of the fossilized crust-mantle transition zone from ICDP Oman Drilling Project Hole CM1A and CM2B measured onboard D/V Chikyu

*Keishi Okazaki¹, Natsue Abe¹, Kohei Hatakeyama², Yuya Akamatsu², Ikuo Katayama², Eiichi TAKAZAWA³, Damon A H Teagle⁴, Peter B Kelemen⁵, Jude Coggon⁴, The Oman Drilling Project Phase 2 Science Party (1.Japan Agency for Marine-Earth Science and Technology, 2.Hiroshima University, 3.Niigata University, 4.University of Southampton, 5.Columbia University)

[SCG49-P04] Microstructures of lower crust gabbros from the Oman Ophiolite: Analyses of the drilled cores of the Oman Drilling Project

*Koki Iida¹, Takahiro Fudai¹, Susumu Umino¹, Yuki Kusano² (1.Kanazawa University, 2.Geological Survey of Japan)

[SCG49-P05] Olivine fabric and mineral compositions in the Maqsad area of the Samail massif, the southern Oman ophiolite

*Kaho Takahashi¹, Eiichi TAKAZAWA^2,3, Katsuyoshi Michibayashi⁴, Kakihata Yuki⁴, Ryoko Senda⁵ (1.Graduate School of Science and Technology, Niigata University, 2.Department of Geology, Faculty of Science, Niigata University, 3.JAMSTEC, 4.Nagoya University, 5.Kyushu University)

[SCG49-P06] The evolution of melt inclusions in podiform chromitite in Oman

*Yuan YAO¹, Eiichi TAKAZAWA^2,3, Oman Drilling Project Phase 2 Science Party (1.Graduate School of Sciences& Technology, Niigata University, Japan, 2.Department of Geology, Faculty of Science, Niigata University, Japan, 3.Research and Development Center for Ocean Drilling Science, JAMSTEC, Japan)

[SCG49-P07] Melt/fluid - rock reaction inferred from the Wadi Tayin mantle section in the southern Oman ophiolite

*Keisuke ISHII¹, Eiichi TAKAZAWA², Akihiro kuriyama², Kyouka Someya², Yoshihiko Tamura³ (1.Graduate School of Science and Technology, Niigata University, 2.Department of Geology, Faculty of Science, Niigata University , 3.R&D Center for Ocean Drilling Science, Japan Agency for Marine-Earth Science and Technology )

[SCG49-P08] Numerical simulations for reaction-induced fracture formation of layered gabbro during hydration process

*Kazuki Yoshida¹, Hiroyuki Shimizu², Noriyoshi Tsuchiya¹, Atsushi Okamoto¹, Phase 2 Science Party Oman Drilling Project³ (1.Tohoku university, 2.Geotechnical Analysis Group, Advanced Analysis Department, Civil Engineering Design Division, Kajima Corporation, 3.Oman Drilling Project Phase 2 Science Party)

[SCG49-P09] X-ray CT images of oceanic lithologies obtained on Oman Drilling Project drillcores during ChikyuOman 2017 and 2018

*Katsuyoshi Michibayashi¹, Peter B Kelemen², Margurette Godard³, Eiichi TAKAZAWA⁴, Damon A H Teagle⁵, The Oman Drilling Project Science Party⁶ (1.Department of Earth and Planetary Sciences, Nagoya University, 2.Columbia University, 3.Université Montpellier, 4.Niigata University, 5.Southampton University, 6.ICDP)

[SCG49-P10] Re-examination of the crystallization process of clinopyroxene oikocrysts in layered gabbros at Hess Deep Rift, EPR

*Akane Yasui¹, Takashi Hoshide¹ (1.Graduate School of International Resource Sciences, Akita University)

[SCG49-P11] Structural petrology of peridotites from the Kalaymyo ophiolite

*Kouhei Asano^1,2, Katsuyoshi Michibayashi¹, Jung-Woo Park³ (1.Graduate School of Environmental Studies, Nagoya University, 2.Shizuoka University, 3.Seoul National University)

[SCG49-P12] Reevaluation of the origin of mafic layers in the Upper Zone of the Horoman Peridotite

*Yumeto KOGURE¹, Eiichi TAKAZAWA¹ (1.Department of Geology, Faculty of Science, Niigata University)

[SCG49-P13] A structural and petrological study of "Shibukawa ultramafic body" in the Sanbagawa belt, western Shizuoka, Japan

*Hikaru Shioya^1,2, Katsuyoshi Michibayashi¹, Ken-ichi Hirauchi² (1.Graduate School of Environmental Studies, Nagoya University, 2.Institute of Geosciences, Shizuoka University)

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