[S-MP39] Oceanic and Continental Subduction Processes

convener:REHMAN Hafiz Ur(Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University), Tatsuki Tsujimori(Tohoku University), Kazuaki Okamoto(Faculty of Education, Saitama University)

This session aims at bringing earth scientists from Japan and overseas to present their research related to the processes of oceanic and continent subduction, continent-continent collisions, metamorphism of crustal rocks, formation of the oceanic/continental arcs, and accretion/ tectonic erosion of material along subduction boundaries.

Topics such as role of the fore- and back-arcs in the subduction zones, process of accretion of volcaniclastic and terrigenous sediments along the subduction/collision boundaries, deformation and metamorphism of subducted crust, and exhumation will be the main focus of the session.

Exchange of ideas among geoscientists applying different approaches on problems related to the theme of the session are most welcome.

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[SMP39-P01] Deeply subducted Jurassic ridge hydrothermal ore deposit -case study from the Sanbagawa eclogite-amphibolite-blueschist-

Yuki Wakabayashi¹, *Yukari Otsuka¹, Kazuaki Okamoto¹ (1.Saitama University)

[SMP39-P02] Metasomatic and metamorphic signature of the MORB in the Shimanto belt

*Yuka Mikami¹, Kazuaki Okamoto¹ (1.Saitama University)

[SMP39-P03] New titanite U–Pb age of so-called 'Inishi-type' calcareous rock from the Hida Belt: Constraints on timing of the carbonate–silicate rock interaction during a collision

*Hironobu Harada¹, Tatsuki Tsujimori¹, Shogo Aoki², Kazumasa Aoki² (1.Tohoku Univesity, 2.Okayama Univerity of Science)

[SMP39-P04] Stable isotope study of carbonate associated with antigorite serpentinite: O–C isotope characterization of a textually zoned calcite rock from the Itoigawa–Omi area, Japan

*Toshiaki Komata¹, Tatsuki Tsujimori¹, Hideko Takayanagi¹, Yasufumi Iryu¹ (1.Tohoku University)

Cancelled

[SMP39-P05] Trace element composition of chromian spinel in the Sanbagawa ultramafic rocks

*Yuki Aoshima¹, Yuji Ichiyama¹, Jung-Woo Park² (1.Chiba University, 2.Seoul National University)

Cancelled

[SMP39-P06] Metasomatism in the Early Paleozoic forearc mantle recorded in serpentinites in the Motai metamorphic rocks, South Kitakami Belt

*Ayaka Okamoto¹ (1.Chiba university )

[SMP39-P07] The Miocene Kaikomagatake granitoid pluton in the Izu collision zone, central Japan: its petrogenesis, emplacement depth and exhumation history

*Satoshi SAITO¹ (1.Graduate School of Science and Engineering, Ehime University)

[SMP39-P08] Whole-rock chemical composition of the granitoids in Ryoke belt, Takanawa Peninsula, northwest Shikoku, southwest Japan

*Kazuya Shimooka¹, Satoshi SAITO¹, Kenichiro Tani², Toshiro Takahashi³ (1.Graduate School of Science and Engineering, Ehime University, 2.National Museum of Nature and Science, 3.Graduate School of Science and Technology, NiigataUniversity)

[SMP39-P09] Pressure-to-depth conversion models for metamorphic rocks: review and application

*Arthur Bauville¹, Philippe Yamato² (1.Center for Mathematical Science and Advanced Technology, JAMSTEC, 2.University of Rennes 1, France)

[SMP39-P10] Late Paleozoic-early Mesozoic magmatism in Delgerkhaan region, Central Mongolia: constraints from the zircon U-Pb age and geochemistry

*Ariuntsetseg Ganbat¹, Tatsuki Tsujimori^1,2, Chimedtseren Anaad³, Munkhtsengel Baatar³, Inna Safonova^4,5 (1.Department of Earth Science, Graduate School of Science, Tohoku University, Sendai, Japan, 2.Center for Northeast Asian Studies, Tohoku University, Sendai, Japan, 3.Mongolian University of Science and Technology, Ulaanbaatar, Mongolia , 4.Novosibirsk State University, Novosibirsk, Russia, 5.Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk, Russia)

Session information

[S-MP39] Oceanic and Continental Subduction Processes