2017 - 2020 High resolution age model and paleoenvironmental change for K/Pg boundary
2016 - 2020 中期中新世の南海トラフ縁辺域復元
2015 - 2019 Global understanding variation of arc volcanism in southern Chile, accompanied with subducded plate boundary and their magma processes
2014 - 2019 Development of new laser ablation-ICPMS technique for the U-Pb age cytometry
2012 - 2017 Decoding Quaternary paleoclimatic changes in West Asia recorded in sediments
2013 - 2016 Establishment of high-resolution Cretaceous chronostratigraphy and tephrochronology in Japan
2013 - 2016 Evolution of the arc-trench system that assembled the Paleo-Mesozoic rocks of Japan: Insights from detrital-zircon-age spectra
2013 - 2016 Geochronological and geochemical study of zircons from rhyolitic rocks of the Setouchi Volcanic Rocks: Testing for the slab melting hypothesis
2011 - 2014 Studies on the uplift, denudation and cooling history of the Himalayan range and associated changes in monsoon
2009 - 2012 Elucidation of basaltic magmatism in extra back-arc province: An example of worldwide forth magmagenesis
2007 - 2011 NECESSArray Project-Earth dynamics viewed from the Chinese continent
2006 - 2009 Cretaceous to Paleogene Granitic rocks in southwest Japan and Korean peninsula and their implications for continental growth
2006 - 2008 Dynamics of accretionary prism and seismogenic fault in subduction zone
2005 - 2007 Studies on migration history and population structure of diadromous fish using otolith element and stable isotope signatures
2005 - 2006 Research on interaction between slab melt and mantle peridotite : constraints from natural rocks and high pressure experiments
2001 - 2004 From Chile Ridge Subduction To Magma Supply System (CHRISTMASSY) project
1999 - 2001 Uplift of Himalayas and its induced Global Environmental Changes
Yuji Orihashi, Ryo Anma, Shiki Machida, Minoru Sasaki, Kaishi Nakao, Yuichi Takaku, Natsue Abe. U-Pb dating of granitic cobble (dropstone) recovered from inner slope of the Chile Trench (48 degrees S): Constraint for its provenance. GEOCHEMICAL JOURNAL. 2020. 54. 4. 195-201
Takamasa Asako, Suzuki Katsuhiko, Fukami Yusuke, Iizuka Tsuyoshi, Tejada Maria Luisa G., Fujisaki Wataru, Orihashi Yuji, Matsumoto Takuya. Improved method for highly precise and accurate 182W/184W isotope measurements by multiple collector inductively coupled plasma mass spectrometry and application for terrestrial samples. GEOCHEMICAL JOURNAL. 2020. 54. 3. 117-127
SHINJOE Hironao. U-Pb ages of Miocene near-trench granitic rocks of the Southwest Japan arc: implications for magmatism related to hot subduction. Geological Magazine. 2020
新正 裕尚, 折橋 裕二. Magmatism due to subduction of young oceanic plate from the viewpoint of their whole rock boron content : Examples from Andean arc and Miocene southwest Japan arc. 月刊地球 = Chikyu monthly : カラー版. 2018. 40. 5. 272-279
新正 裕尚, 折橋 裕二, 角井 朝昭. Whole rock composition of felsic member of the Setouchi Volcanic Rocks in Sanuki plain. 東京経済大学人文自然科学論集. 2016. 139. 21-31
新正 裕尚, 折橋 裕二, 外西 奈津美. Whole rock composition of the Ohno volcanic rocks in Eastern Kyushu (supplement). 東京経済大学人文自然科学論集. 2016. 138. 91-98
Along arc variations of fluorine and chlorine in the southern Andean arc
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2018)
Isotopic Analysis of Light Elements using Laser Induced Emission Spectroscopy
(Abstracts of Annual Meeting of the Geochemical Society of Japan 2017)
Whole rock trace element composition of the high-Mg andesite of the Setouchi Volcanic Rocks, SW Japan
(PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2017)
U-Pb zircon ages of Miocene igneous rocks in western Shikoku
(Annual Meeting of the Geological Society of Japan 2017)
Detrital-zircon-age spectra of the Khabarovsk Complex, Far East Russia.
(Annual Meeting of the Geological Society of Japan 2017)