Mineralogy, Petrology & Geochemistry II Laboratory
                    Department of Geosciences, Faculty of Science
                    Osaka City University




Sakuyama T, Nagaoka S, Miyazaki T, Chang Q, Takahashi T, Hirahara Y, Senda R, Itaya T, Kimura J-I, Ozawa K (2014) Melting of the Uppermost Metasomatized Asthenosphere Triggered by Fluid Fluxing from Ancient Subducted Sediment: Constraints from the Quaternary Basalt Lavas at Chugaryeong Volcano, Korea. Journal of Petrology, 55, 499-528.

Sakuyama T, Nakai S, Yoshikawa M, Shibata T, Ozawa K (2014) Progressive interaction between dry and wet mantle during high temperature diapiric upwelling:constraints from Cenozoic Kita-Matsuura intraplate basalt province, northwestern Kyushu, Japan. Journal of Petrology 55, 1083-1128.


Kuritani T, Kimura J-I, Ohtani E, Miyamoto H, Furuyama K (2013) Transition zone origin of potassic basalts from Wudalianchi volcano, northeast China. Lithos 156, 1–12.

Kuritani T, Yoshida T, Kimura J-I, Hirahara Y, Takahashi T (2013) Water content of low-K tholeiitic basalt from Iwate Volcano, NE Japan Arc: implications for differentiation mechanism of frontal-arc basalt magmas. Mineralogy and Petrology, in press.

Sakuyama T, Tian W, Kimura J-I, Fukao Y, Hirahara Y, Takahashi T, Senda R, Chang Q, Miyazaki T, Obayashi M, Kawabata H, Tatsumi Y (2013) Melting of dehydrated oceanic crust from the stagnant slab and of the hydrated mantle transition zone: Constraints from Cenozoic alkaline basalts in eastern China. Chemical Geology, 359, 32-48.

Momose A, Inoue J, Murakami-Kitase A, Okudaira T, Yoshikawa S (2013) Characteristic differences in the chemical composition of spheroidal carbonaceous particles in Japanese and Chinese cities. Water, Air and Soil Pollution 223, 4761–4767.

Okudaira T, Bando H, Yoshida K (2013) Grain-boundary diffusion rates inferred from grain-size variations of quartz in metacherts from a contact aureole. American Mineralogists 98, 680–688.


Fukuda J, Okudaira T, Satsukawa T, Michibayashi K (2012) Solution-precipitation of K-feldspar in deformed granitoids and its relation to the distribution of water. Tectonophysics 532–535, 175–185.

Masuda H, Shinoda K, Okudaira T, Takahashi Y, Noguchi N (2012) Chlorite–source of arsenic groundwater pollution in the Holocene aquifer of Bangladesh. Geochemical Journal 46, 381–391.

Nasheeth A, Okudaira T, Satish-Kumar M, Hokada T, Ueno Y (2012) Preliminary results of field survey, petrography and geochemistry on the Chitradurga shear zone in the Hiriyur area, the Dharwar cration, South India. Journal of Geosciences, Osaka City University 55, 41–50.

Okudaira T, Shigematsu N (2012) Estimates of stress and strain rate based on the boundary between the fields of grain-size sensitive and insensitive creep. Journal of Geophysical Research, 117, doi:10.1029/2011JB008799.

Shimojuku A, Yoshino T, Yamazaki D, Okudaira T (2012) Electrical conductivity of fluid-bearing quartzite under lower crustal conditions. Physics of the Earth and Planetary Interioirs 198–199, 1–8.


Hirakawa E, Murakami-Kitase A, Okudaira T, Inoue J, Yamasaki H, Yoshikawa S (2011) The spatial and temporal distributions of spheroidal carbonaceous particles (SCPs) from sediment core samples from industrial cities in Japan and China. Environmental Earth Sciecnes 64, 833-840.

Kuritani T, Ohtani E, Kimura J-I (2011) Intensive hydration of the mantle transition zone beneath China caused by ancient slab stagnation. Nature Geoscience 4, 713-716.

Okudaira T, Suda Y (2011) Cretaceous events recorded in rocks of the Ryoke belt, SW Japan. Journal of Geography 120, 452-465 (in Japanese with English abstract).

Suda Y, Koizumi N, Okudaira, T (2011) X-ray fluorescence analysis of minor, trace and rare erath elements for igneous rocks, sedimentary rocks, sediments and soil. MAGMA 93, 19-32. (in Japanese with English abstract)


Murakami-Kitase A, Okudaira T, Inoue J (2010) Relationship between surface morphology and chemical composition of spheroidal carbonaceous particles within sediment core samples recovered from Osaka Bay, Japan. Environmental Earth Sciences 59, 1723-1729.

Okudaira T, Ogawa D, Michibayashi K (2010) Grain-size-sensitive deformation of upper greenschist- to lower amphibolite-facies metacherts from a low-P/high-T metamorphic belt. Tectonophysics 492, 141-149.

Suda Y, Okudaira T, Furuyama K (2010) X-ray fluorescence (XRF; RIX-2100) analysis of major and trace elements for silicate rocks by low dilution glass bead method. MAGMA 92, 21-39 (in Japanese with English abstract).


Nakagawa S, Masuda H, Okudaira T, Chiba H (2009) Authigenic clay minerals in volcanic ash layers from ODP Site 808 in The Nankai Trough, and their formation condition from those oxygen isotope ratios. Geochemistry 43, 1-13. (in Japanese with English abstract)

Okudaira T, Beppu Y, Yano R, Tsuyama M, Ishii, K (2009) Mid-crustal horizontal shear zone in the forearc region of the mid-Cretaceous SW Japan arc, inferred from strain analysis of rocks within the Ryoke metamorphic belt. Journal of Asian Earth Sciences 35, 34-44.

Seddique AA, Masuda H, Mitamura M, Shinoda K, Okudaira T, Yamanaka T, Itai T, Maruoka T, Uesugi K, Ahmed KM (2009) Reply to the comment on "Arsenic release from biotite into a Holocene groundwater aquifer in Bangladesh" by Anawar HM, Mihaljevi M. Applied Geochemistry 24, 486-490.

Suda Y (2009)Evolutional processes and geotectonic history of Maizuru Terrane, Southwest Japan. Summaries of Researches using AMS at Nagoya University, XX, 39-43.

Suda Y, Hayasaka Y (2009) Genesis and evolutional processes of the Paleozoic oceanic island arc crust, Asago body of the Yakuno Ophiolite, Southwest Japan. Journal of Geological Society of Japan 115, 266-287.


Beppu Y, Okudaira T (2008) Strain analysis of rocks within a metamorphosed accretionary complex in the Iwakuni-Yanai district, SW Japan. Journal of Geosciences, Osaka City University 51, 1-8.

Okudaira T, Beppu Y (2008) Inhomogeneous deformation of metamorphic tectonites of contrasting lithologies: strain analysis of metapelite and metachert from the Ryoke metamorphic belt, SW Japan. Journal of Structural Geology 30, 39-48.

Nishikawa O, Okudaira T, Yoshida M, Shiraishi T (2008) Deformation structures developed in the Neogene strara in Dewa hilly land, Akita Prefecture. Journal of the Geological Society of Japan 114, Supplement, 75-85. (in Japanese with English abstract)

Suda Y, Kawano Y, Greg Y, Korenaga H, Hiroi Y (2008) Magmatic evolution and tectonic setting of metabasites from Lützow-Holm Complex, East Antarctica. In Satish-Kumar, M., Motoyoshi, Y., Osanai, Y., Hiroi, Y. and Shiraishi, K. eds, Geodynamic evolution of East Antarctica: a key to the East–West Gondwana connection. Geological Society of London Special Publication 308, 211–233.

Suda Y, Hayasaka Y (2008) Genesis and evolutional processes of the Paleozoic oceanic island arc crust, Asago body of the Yakuno ophiolite, southwest Japan. International Association for Gondwana Research Conference, Series 7, 39–40.