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Are jadeitite (jadeite jade) beach clasts more angular than other beach clasts? [海岸の翡翠礫は他の海岸礫よりも角張っているのか？]
The coast extending from Itoigawa City in Niigata Prefecture to Asahi Town in Toyama Prefecture is widely known as an area where …
Daisuke Ishimura, Tatsuki Tsujimori, Nobuo Kobayashi, Takahiko Ogawara, Noriko Kawabata
Link
Garnet-glaucophane-quartz schist adjacent a serpentinite-matrix mélange on the Saganoseki Peninsula, Oita Prefecture [大分県佐賀関半島の蛇紋岩メランジュ近傍で発見された含ざくろ石藍閃石−石英片岩]
Blocks of garnet–glaucophane–quartz schist and gneissic garnet–actinolite schist were found as float adjacent to a serpentinite …
Atsushi Miyashita, Jouji Murakami, Akira Kasagi, Tatsuki Tsujimori
DOI Link
Magmatic-hydrothermal evolution and Nb-REE mineralization in the Lugiin Gol alkaline-carbonatite complex, southern Mongolia, Central Asian Orogenic Belt
This study documents the first occurrence of pyrochlore in Mongolian carbonatites and provides a case study of the …
Munkhdelger Bold, Manzshir Bayarbold, Honoka Umemiya, Otgonbayar Dandar, Shogo Aoki, Yoshiaki Kon, Atsushi Okamoto, Tatsuki Tsujimori
DOI Link
Origin of Pleistocene Sr-rich Hakuta basalts, Shimane Prefecture, SW Japan
The Hakuta basalts are Quaternary volcanic-front basalts in the subduction zone of the Chugoku region of SW Japan, and are …
Yoshihiro Sawada, Tetsuya Sakuyama, Tatsuki Tsujimori, Hirotsugu Nishido, Katsuyuki Yamashita, Syuhei Ohgo, Osamu Okano, Xiaoyu Zhang, Barry Roser
DOI Link
Light Fe isotopic fingerprints of serpentinite-derived fluids recorded by metasomatized mafic dikes in the subducted oceanic lithosphere
Serpentinite-derived fluids have been invoked to explain the isotopically light Fe signatures and elevated oxygen fugacity of arc …
Jia-Wei Xiong, Yi-Xiang Chen, Xin-Yue Qiao, Jia-Le Xu, Xue-Li Li, Marco Scambelluri, Tatsuki Tsujimori, Donato Belmonte
DOI Link
The impact of forearc serpentinization on the composition of subduction-zone fluids revealed by Mg–Fe isotopes in jadeitites
Subduction-zone fluids play a critical role in mass transfer and crust-mantle evolution at convergent plate margins, yet their exact …
Kun Chen, Yi-Xiang Chen, Tatsuki Tsujimori, Hans-Peter Schertl, Xin-Yue Qiao, Jia-Le Xu, Yu-Chen Liu, Naoko Takahashi, Fang Huang, Walter V. Maresch
DOI Link
Iron mobility and redox transfer in the oceanic lithosphere during nascent subduction of Neotethys Ocean
Hydration of oceanic crust and mantle peridotite is a critical process for fluid-rock interaction and element exchange within the …
Jia-Le Xu, Yi-Xiang Chen, Chuanzhou Liu, Fang Huang, Sergei Skuzovatov, Tatsuki Tsujimori, Kun Chen, Hans-Peter Schertl, Carlos J. Garrido
DOI Link
Iron isotope evidence for the metasomatism of continental crust by serpentinite-derived reduced fluid in the subduction zone
Serpentinite-derived fluids are pivotal for fluid mobility and mass transfer in subduction zones. However, the redox state of these …
Xue-Li Li, Jia-Le Xu, Yi-Xiang Chen, Jaime D. Barnes, Sergei Skuzovatov, Tatsuki Tsujimori
DOI Link
Tectono-magmatic evolution of the Mongolian Collage with new evidence from the Ereendavaa Block
The Central Asian Orogenic Belt, situated between the Siberian, Tarim, and North China cratons, contains three major collages, …
Munkhdelger Bold, Tatsuki Tsujimori, Daniel Pastor-Galán, Tatsuro Adachi, Nobuhiko Nakano, Yasuhito Osanai
DOI Link
Sequestration of carbon in the forearc mantle wedge
Subduction zones are crucial in governing the global carbon (C) cycle. Recent geochemical and geophysical observations have revealed …
Guoji Wu, Yongsheng Huang, Michihiko Nakamura, Tatsuki Tsujimori, Yuan Li
DOI Link