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Reappraisal of the oldest high-pressure type schist in Japan: New zircon U-Pb age of the Kitomyo Schist of the Kurosegawa Belt
The Kitomyo Schist from Kurosegawa Belt, Shikoku, has been long considered as the oldest records of subduction metamorphism in Japan, …
Shota Matsunaga, Tatsuki Tsujimori, Atsushi Miyashiyta, Shogo Aoki, Kazumasa Aoki, Daniel Pastor-Galán, Keewook Yi
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Retrograde phases of former bridgmanite inclusions in superdeep diamonds
(Mg,Fe)SiO3 bridgmanite is the dominant phase in the lower mantle; however no naturally occurring samples had ever been found in …
Dmitry Zedgenizov, Hirioyuki Kagi, Eiji Ohtani, Tatsuki Tsujimori, Kazuki Komatsu
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The Tekturmas ophiolite belt of central Kazakhstan: Geology, magmatism and tectonics
The Tekturmas ophiolite belt of central Kazakhstan is located in the western Central Asian Orogenic Belt. It consists of three …
Bolat P. Khassen, Inna Yu Safonova, Pyotr V. Yermolov, Rostislav M. Antonyuk, Alexandra V. Gurova, Olga T. Obut, Alina A. Perfilova, Ilya A. Savinskiy, Tatsuki Tsujimori
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Editorial of the special issue 'Subduction and continental collision processes: Petrologic, geochemical and structural perspectives'
Major orogenic belts on the earth’s surface have been generated by deformational processes either along the convergent plate …
Hafiz Ur Rehman, Tatsuki Tsujimori, Chin-Ho Tsai, Sun-Lin Chung
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Revisiting Pb isotope signatures of Ni–Fe alloy hosted by antigorite serpentinite from the Josephine Ophiolite, USA
Awaruite (Ni2-3Fe) is a natural occurring Ni-Fe alloy in serpentinite, which represents a better candidate to assess Pb isotope …
Mayu Kakefuda, Tatsuki Tsujimori, Katsuyuki Yamashita, Yoshiyuki Iizuka, Kennet E. Flores
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Greetings from the new Editors‐in‐Chief
It is a great privilege to become the new Editor-in-Chief of Island Arc, the official journal of Geological Society of Japan, for the …
Akihiro Kano, Tatsuki Tsujimori
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Oceanic-arc subduction, stagnation, and exhumation: Zircon U-Pb geochronology and trace-element geochemistry of the Sanbagawa eclogites in central Shikoku, SW Japan
In the Iratsu and the quartz-bearing eclogite bodies of the Sanbagawa high-pressure type metamorphic belt, southwest Japan, zircon U–Pb …
Shogo Aoki, Kazumasa Aoki, Tatsuki Tsujimori, Shuhei Sakata, Yuta Tsuchiya
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The Itmurundy Pacific-type orogenic belt in northern Balkhash, central Kazakhstan: Revisited plus first U-Pb age, geochemical and Nd isotope data from igneous rocks
The Itmurundy zone/belt is located in the northern Balkhash area of central Kazakhstan. Geologically it belongs to the Kazakh orocline …
Inna Safonova, Ilya Savinskiy, Alina Perfilova, Alexandra Gurova, Shigenori Maruyama, Tatsuki Tsujimori
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Boron isotope compositions of antigorite–grade serpentinites in the Itoigawa–Omi area of the Hida–Gaien Belt, Japan
The antigorite–grade serpentinite and Late Paleozoic high–pressure schists are main components of a serpentinite– matrix mélange in the …
Chinatsu Yamada, Tatsuki Tsujimori, Qing Chang, Jun-Ichi Kimura
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Sr–Pb isotope compositions of lawsonites in a Pacheco Pass metagraywacke, Franciscan Complex, California
Lawsonite, jadeite, and glaucophane are iconic minerals within a Pacheco Pass metagraywacke of the Franciscan Complex, California. …
Tomomi Hara, Tatsuki Tsujimori, Flores E. Kennet, Jun-Ichi Kimura
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