2018
•
Soda Y, Okudaira T: Microstructural evidence for the deep
pulverization in a lower crustal meta-anorthosite. Terra Nova
30, 399-405.
•
Kuwatani T, Nagao H, Ito SI, Okamoto A, Yoshida K, Okudaira T:
Recovering the past history of natural recording media by Bayesian
inversion. Physical Review E 98, 043311.
•
Shigematsu N, Ohtani T, Kobayashi K, Okudaira T, Toyoshima T:
Architecture of onshore fault zones. Journal
of Geological Society of Japan 124, 759-775. (in Japanese with
English abstract)
2017
•
Okudaira T, Shigematsu, N., Harigane Y, Yoshida K: Grain size
reduction due to fracturing and subsequent grain-size-sensitive
creep in a lower crustal shear zone in the presence of CO2-bearing
fluid. Journal of Structural Geology 95, 171-187.
•
Okamoto A, Shimizu H, Fukuda JI, Muto J, Okudaira T:
Reaction-induced grain boundary cracking and anisotropic fluid flow
during prograde devolatilization reactions within subduction zones.
Contributions to Mineralogy and Petrology, 172:75.
2016
•
Wallis SR, Okudaira T: Paired metamorphic belts in SW Japan: the
geology of the Sanbagawa and Ryoke metamorphic belts and the Median
Tectonic Line. In The Geology of Japan, (eds. Moreno T et
al.), Geological Society, London, 101-124.
•
Koizumi N, Okudaira T, Ogawa D, Yamashita K, Suda Y: Geochemical
characteristics of hydrous magmas due to assimilation and fractional
crystallization: the Ikoma gabbroic complex, southwest Japan. Mineralogy
and Petrology 110, 639-662.
•
Nasheeth A, Okudaira T, Horie K, Hokada T, Satish-Kumar M: U-Pb
SHRIMP ages of zircons from Hiriyur Formation in Chitradurga
greenstone belt and its implication to the Neoarchean evolution of
Dharwar craton, South India. Journal of the Geological Society
of India 87, 43-54.
•
Mitamura K, Okudaira T, Mitamura M: Meso-scale brittle deformation
structures in and around the Ikoma fault zone. Journal of
Geological Society of Japan 122, 61-74. (in Japanese with
English abstract)
2015
•
Okudaira T, Jerabek P. Stunitz H, Fusseis F: High-temperature
fracturing and subsequent grain-size-sensitive creep in lower
crustal gabbros: evidence for coseismic loading followed by creep
during decaying stress in the lower crust?. Journal of
Geophysical Research: Solid Earth 120,
doi:10.1002/2014JB011708. [PDF]
•
Nasheeth A, Okudaira T, Horie K, Hokada T, Satish-Kumar M: SHRIMP
U-Pb zircon ages of granitoids adjacent to Chitradurga shear zone
and its tectonic implications. Journal of Mineralogical and
Petrological Sciences 110, 224-234.
•
Nagahashi Y, Kikkawa K, Nakai S, Okudaira T, Yoshikawa S, Yoshida T:
Petrological property of tephra beds based on the major and trace
composition of volcanic glass shards -Case study of the Osaka Group
and the Takashima-oki drilling core sediments in Lake Biwa, Kinki
district, Japan-. Earth Science (Chikyu Kagaku) 69, 205-222.
(in Japanese with English abstract)
2014
•
Inoue J, Momose A, Okudaira T, Murakami-Kitase A, Yamazaki H,
Yoshikawa S: Chemical characteristics of Northeast Asian fly ash
particles: Implications for their long-range transportation. Atmospheric
Environment, 95, 375-382.
•
Inoue J, Murakami-Kitase A, Okudaira T: Spheroidal carbonaceous
particles (SCPs): their characteristics and implications for
environmental geology. Journal of the Geological Society of
Japan, 120, 287-298. (in Japanese with English abstract)
•
Shigematsu N, Fujimoto K, Okudaira T, Tanaka N, Mori H, Wallis S:
Median Tectonic Line fault zone revealed by borehole analysis. Earth
Monthly, 36, 120-129. (in Japanese)
2013
•
Okudaira T, Bando H, Yoshida K: Grain-boundary diffusion rates
inferred from grain-size variations of quartz in metacherts from a
contact aureole.American Mineralogist 98, 680-688.
•
Fukuda J, Okudaira T: Grain-size-sensitive creep of plagioclase
accompanied by solution-precipitation and mass transfer under
mid-crustal conditions.Journal of Structural Geology 51,
61-73.
•
Inoue J, Tomozawa A, Okudaira T: Size distribution of spheroidal
carbonaceous particles (SCPs) in swimming pool deposits for
evaluating the atmospheric particle behavior in different sizes. Water,
Air and Soil Pollution 224:1580,
doi:10.1007/s11270-013-1580-7.
2012
•
Okudaira T, Shigematsu N: 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,
B03210, doi:10.1029/2011JB008799.
•
Fukuda J, Okudaira T, Satsukawa T, Michibayashi K:
Solution-precipitation of K-feldspar in deformed granitoids and its
relation to the distribution of water. Tectonophysics
532-535, 175-185.
•
Momose A, Inoue, J, Murakami-Kitase A, Okudaira T, Yoshikawa S:
Characteristic differences in the chemical composition of spheroidal
carbonaceous particles in Japanese and Chinese cities. Water,
Air and Soil Pollution 223, 4761–4767.
•
Masuda H, Shinoda K, Okudaira T, Takahashi Y, Noguchi N:
Chlorite–source of arsenic groundwater pollution in the Holocene
aquifer of Bangladesh. Geochemical Journal 46, 381-391
•
Shimojuku A, Yoshino T, Yamazaki D, Okudaira T: Electrical
conductivity of fluid-bearing quartzite under lower crustal
conditions. Physics of the Earth and Planetary Interioirs
198-199, 1-8.
•
Nasheeth A, Okudaira T, Satish-Kumar M, Hokada T, Ueno Y:
Preliminary results of field survey, petrography and geochemistry on
the Chitradurga shear zone in the Hiriyur area, the Dharwar craton,
South India. Journal of Geosciences, Osaka City University
55, 43–52.
2011
•
Okudaira T, Suda Y: Cretaceous events recorded in rocks of the Ryoke
belt, SW Japan. Journal of Geography, 120, 452-465 (in
Japanese with English abstract)
•
Hirakawa E, Murakami-Kitase A, Okudaira T, Inoue J, Yamasaki H,
Yoshikawa S: The spatial and temporal distributions of spheroidal
carbonaceous particles (SCPs) from sediment core samples from
industrial cities in Japan and China. Environmental Earth
Sciences 64, 833-840.
•
Suda Y, Koizumi N, Okudaira, T: X-ray fluorescence analysis of
minor, trace and rare earth elements for igneous rocks, sedimentary
rocks, sediments and soil. MAGMA 93, 19-32. (in Japanese
with English abstract)
2010
•
Okudaira T, Ogawa D, Michibayashi K: 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: 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).
•
Murakami-Kitase A, Okudaira T, Inoue J: 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.
2009
•
Okudaira T, Beppu Y, Yano R, Tsuyama M, Ishii, K: 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.
•
Nakagawa S, Masuda H, Okudaira T, Chiba H: 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)
•
Seddique AA, Masuda H, Mitamura M, Shinoda K, Okudaira T, Yamanaka
T, Itai T, Maruoka T, Uesugi K, Ahmed KM: 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.
2008
•
Okudaira T, Beppu Y: 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.
•
Beppu Y, Okudaira T: 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.
•
Nishikawa O, Okudaira T, Yoshida M and Shiraishi T: 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)
2007
•
Ishii K, Kanagawa K, Shigematsu N, Okudaira T: High ductility of
K-feldspar and development of granitic banded ultramylonite in the
Ryoke metamorphic belt, SW Japan. Journal of Structural Geology
29, 1083-1098.
•
Nishiwaki H, Okudaira T: Emplacement process of the Hatsuse plutonic
complex, central Kinki Province, SW Japan. Journal of the
Geological Society of Japan 113, 223-239. (in Japanese with
English abstract)
•
Kokonyangi JW, Kampunzu AB, Armstrong R, Arima M, Yoshida M,
Okudaira T: U-Pb dating of detrital zircons from the Nzilo Group
(Kibaran Belt): implications for the source of sediments and
Mesoproterozoic evolution of central Africa. Journal of Geology
115, 99-113.
2006
•
Beppu Y, Okudaira T: Geology and metamorphic zonation of the Ryoke
metamorphic belt in Kasado-jima Island, SW Japan. Journal of
Mineralogical and Petrological Sciences 101, 240-253.
•
Hoshino K, Nagatomi A, Watanabe M, Okudaira T, Beppu Y: Nahcolite in
fluid inclusions from the Ryoke metamorphic rocks and its
implication for fluid genesis. Journal of Mineralogical and
Petrological Sciences 101, 254-259.
•
Kokonyangi JW, Kampunzu AB, Armstrong R, Yoshida M, Okudaira T,
Arima M, Ngulube DA: The Mesoproterozoic Kibaride belt (Katanga, SE
D.R. Congo). Journal of African Earth Sciences 46, 1-35.
2005
•
Okudaira T, Nishiwaki H, Ishii K: Deformation structures in the
Older Ryoke granitoids: Submagmatic, ductile and brittle
deformations.Excursion Guidebook of 112th Annual Meeting of the
Geological Society of Japan, pp.87-97 (in Japanese).
•
Nishiwaki H, Okudaira T: Formation processes of the fine-grained
mafic rocks of the Ryoke metamorphic belt in Asuka area, central
Kinki district, SW Japan. Journal of the Geological Society of
Japan 111, 141-155 (in Japanese with English abstract).
•
Yoshino T, Okudaira T: Growth and exhumation of the lower crust of
the Kohistan arc, NW Himarayas. In: Metamorphism and Crustal
Evolution (ed. H. Thomas), Atlantic Publishers &
Distributors, New Delhi, pp.178-207.
•
Kokonyangi J, Kampunzu AB, Poujol M, Okudaira T, Yoshida M, Shabeer
KP: Petrology and geochronology of Mesoproterozoic
mafic-intermediate mafic rocks from Mitwaba (SE Congo): implications
for the evolution of the Kibaran belt in central Africa. Geological
Magazine142, 109-130.
•
Kajiyama A, Mitamura M, Luan TX, Okudaira T, Ha NV: Landslide
monitoring by photogrammetry in Mongset area, Northwestern Vietnam.
International Journal of Geoinformatics 1, 125-132.
2004
•
Okudaira T, Yoshitake Y: Thermal consequences of the formation of a
slab window beneath the Mid-Cretaceous southwest Japan arc: A 2-D
numerical analysis. The Island Arc 13, 520-532. [PDF]
•
Yoshino T, Okudaira T: Crustal growth by magmatic accretion
constrained by metamorphic P-T paths and thermal modeling of the
Kohistan Complex, NW Himalayas. Journal of Petrology 45,
2287-2302. [PDF]
•
Imon R, Okudaira T, Kanagawa K: Development of shape- and
lattice-preferred orientations of amphibole grains during initial
cataclastic deformation and subsequent deformation by
dissolution-precipitation creep in amphibolites from the Ryoke
metamorphic belt, SW Japan. Journal of Structural Geology
26, 793-805. [PDF]
•
Tokonami M, Aikawa N, Negishi R, Yoshizawa M, Okudaira T:
Elliptically polarized light in alkali amphibole from Pocos de
Caldas, Brazil. Journal of Mineralogical and Petrological
Sciences 99, 59-66. [PDF]
•
Kokonyangi J, Armstrong R, Kampunzu AB, Yoshida M, Okudaira T: U-Pb
zircon geochrolonogy and geochemistry of granitoids from the
Mesoproterozoic Kibarides belt, Mitwaba-Katanga (Congo):
petrogenetic and geotectonic implications. Precambrian Research
132, 79-106. [PDF]
2003
•
Okudaira T, Yuhara M, Ikeda T, Nakajima T: Mid-Cretaceous
plutono-metamorphic complex of the Ryoke and San-yo zones in the
Iwakuni-Yanai district, SW Japan. Hutton Symposium V, Field
Guidebook, Geological Survey of Japan, Interim-Report no. 28,
pp.23-40. [PDF]
•
Shabeer KP, Okudaira T, Satish-Kumar M, Binu-Lal SS, Hayasaka Y:
Ca-W metasomatism in high-grade metapelites: An example from
scheelite mineralization in the Kerala Khondalite Belt, southern
India. Mineralogical Magazine 67, 465-483.
•
Nagahashi Y, Yoshida T, Nakai S, Okudaira T: Evaluation and
correction of EDS results of the glass shards from some
representative tephra by comparison with XRF analysis. The
Quarternary Research 42, 265-277 (in Japanese with English
abstract).
•
Biju-Sekhar S, Yokoyama K, Pandit MK, Okudaira T, Yoshida M, Santosh
M: Late Paleoproterozoc magmatism in the Delhi fold belt, NW India
and its implication: evidence from EPMA chemical ages of zircons. Journal
of Asian Earth Sciences 22, 189-207.
•
Yamanaka T, Mizota C, Fujiwara Y, Chiba H, Hashimoto J, Gamo T,
Okudaira T: Sulphur-isotopic composition of the deep-sea mussel Bathymodiolus
marisindicus from currently active hydrothermal vents in the
Indian Ocean. Journal of Marine Biological Association of the
United Kingdom 83, 841-848.
2002
•
Okudaira T: Thermal evolution of the Ryoke metamorphic belt,
southwestern Japan: tectonic and numerical modelling: Reply. The
Island Arc 11, 146-148. [PDF]
•
Imon R, Okudaira T, Fujimoto A: Dissolution and precipitation
processes in deformed amphibolites: an example from the ductile
shear zone in the Ryoke metamorphic belt, SW Japan.Journal of
Metamorphic Geology 20, 297-307. [PDF]
•
Shabeer KP, Sajeev K, Okudaira T, Santosh M: Two-stage spinel
generations in high-grade metapelites from the Kerala Khondalite
Belt, southern India: implications for prograde P-T path. Journal
of Geosciences, Osaka City University 45, 29-43.
2001
•
Okudaira T, Hamamoto T, Hari Prasad B, Rajneesh-Kumar: Sm-Nd and
Rb-Sr dating of amphibolite from the Nellore-Khammam schist belt, SE
India: constraints on the collision of the Eastern Ghats terrane and
Dharwar-Bastar craton. Geological Magazine 138, 495-498. [PDF]
•
Okudaira T, Hayasaka Y, Himeno O, Watanabe K, Sakurai Y, Ohtomo Y:
Cooling and inferred exhumation history of the Ryoke metamorphic
belt in the Yanai district, south-west Japan: constraints from Rb-Sr
and fission-track ages of gneissose granitoid and numerical
modeling. The Island Arc 10, 98-115. [PDF]
•
Gamo T, Chiba H, Yamanaka T, Okudaira T, Hashimoto J, Tsuchida S,
Ishibashi J, Tsunogai U, Okamura K, Sano Y, Shinjo R: Chemical
characteristics of newly discovered black-smoker fluids and
associated hydrothermal plumes at the Rodriguez Triple Junction,
Central Indian Ridge. Earth and Planetary Science Letters
193, 371-379. [PDF]
•
Hashimoto J, Ohta S, Gamo T, Chiba H, Yamaguchi T, Tsuchida S,
Okudaira T, Watabe H, Yamanaka T, Kitazawa M: First hydrothermal
vent communities from the Indian Ocean discovered. Zoological
Science 18, 717-721.
2000
•
Okudaira T, Ohtomo Y, Hayasaka Y: Cretaceous tectonics of southwest
Japan in light of the studies for Ryoke metamorphic belt. Monograph
of Association for Geological Collaboration in Japan 49, 67-80
(in Japanese with English abstract).
•
Okudaira T, Hari Prasad B, Rajneesh-Kumar: Proterozoic evolution of
the Nellore-Khammam schist belt in the Khammam district, SE India. Journal
of Geosciences, Osaka City University 43, 193-202. [PDF]
•
Hari Prasad B, Okudaira T, Hayasaka Y, Divi RS, Yoshida M: Petrology
and geochemistry of amphibolites from the Nellore-Khammam schist
belt, SE India. Journal of the Geological Society of India
56, 67-78.
•
Rajneesh-Kumar, Okudaira T, Yoshida M: Mesoproterozoic deformation
at the boundary zone between Nellore-Khammam schist belt and Pakhal
basin in Khammam district, SE India. Gondwana Research 3,
349-359.
1999
•
Hari Prasad B, Okudaira T, Divi RS, Yoshida M: Deformation
structures in the Archean Nellore-Khammam shicht belt, southeastern
India. Journal of Geosciences, Osaka City University 42,
227-235. [PDF]
•
Rajneesh Kumar, Okudaira T, Tani Y, Hari Prasad B, Divi RS, Yoshida
M: Structural features around the Archean-Proterozoic terrain
boundary in Khammam district, southeastern India. Journal of
Geosciences, Osaka City University 42, 237-245. [PDF]
•
Yoshida M, Ando T, Divi RS. Ghatak G, Hamamoto T, Hari Prasad B,
Mathavan M, Miyashita Y, Miyazaki T, Moses BVC, Okudaira T, Osanai
Y, Prame WK, Rajneesh-Kumar, Rao AT, Shirahata H, Suzuki T, Takano
N, Tani Y, Tsuchiya T, Wada H, Yoshikura S: Field studies of
Proterozoic terrains in Peninssular India and Sri Lanka during
1997-1998. Journal of Geosciences, Osaka City University 42,
179-204.
1998
•
Okudaira T: Emplacement tectonics of a granitic magma. Earth
Monthly 20, 120-124 (in Japanese).
•
Okudaira T, Takeshita T, Toriumi M: Discussion: Prism- and
basal-parallel subgrain boundaries in quartz: a microstructural
geothermobarometer. Journal of Metamorphic Geology 16,
141-142. [PDF]
•
Yoshino T, Yamamoto H, Okudaira T, Toriumi M: Crustal thickening of
the lower crust of the Kohistan arc (N. Pakistan) deduced from
Al-zoning in clinopyroxene and plagioclase. Journal of
Metamorphic Geology 16, 729-748.
1997
•
Okudaira T: The Ryoke metamorphic belt (Japan): An excellent example
of low-P/high-T metamorphic belt. Gondwana Research 1,
147-148. [PDF]
•
Okudaira T: Thermal evolution of the Ryoke metamorphic belt. Earth
Monthly 19, 122-127 (in Japanese).
1996
•
Okudaira T: Temperature-time path for the low-pressure Ryoke
metamorphism, Japan, based on chemical zoning in garnet. Journal
of Metamorphic Geology 14, 427-440. [PDF]
•
Okudaira T: Thermal evolution of the Ryoke metamorphic belt,
southwestern Japan: tectonic and numerical modelling. The Island
Arc 5, 373-385. [PDF]
•
Okudaira T: Low-pressure metamorphism in the Ryoke metamorphic belt
in the Yanai district, southwest Japan. Journal of Science of
Hiroshima University, (Earth and Planetary Sciences), ser. C
10, 509-518. [PDF]
•
Okudaira T, Seo T: Granitization processes in the Tengatake
migmatite zone in the Yanai district, southwestern Japan. In Metamorphism
and Tectonics (Shimamoto T et al. eds), Soubun Publisher Co
Ltd, Tokyo, pp.157-163 (in Japanese with English abstract).
•
Okudaira T, Takeshita T, Hara I, Ando J: Study of the deformed rock
samples of the Department Earth and Planetary Systems Science,
Faculty of Science, Hiroshima University (2): Temperature estimate
of the conditions for transition from basal <a> to
prism [c] slip in naturally deformed quartz. Bulletin of
Hiroshima University Museum 2, 7-13 (in Japanese).
1995
•
Okudaira T, Takeshita T, Hara I, Ando J: A new estimate of the
conditions for transition from basal <a> to prism [c]
slip in naturally deformed quartz. Tectonophysics 250,
31-46. [PDF]
•
Okudaira T, Hara I, Takeshita T: Emplacement mechanism of the Older
Ryoke granites in the Yanai district, southwest Japan, with special
reference to extensional deformation in the Ryoke metamorphic belt.
Journal of Science of Hiroshima University (Earth and Planetary
Sciences), ser. C 10, 357-366. [PDF]
1994
•
Okudaira T, Hara I, Takeshita T: Thermal modeling for the
low-pressure facies series Ryoke metamorphism. Earth Monthly
16, 486-489 (in Japanese).
•
Takeshita T, Okudaira T: Dynamics and thermal modeling in
low-pressure/high-temperature metamorphic belts. Zisin (Journal
of Seismological Society of Japan) 47, 453-467 (in Japanese
with English abstract).
1993
•
Okudaira T, Hara I, Sakurai Y, Hayasaka Y: Tectono-metamorphic
processes of the Ryoke belt in the Iwakuni-Yanai district, southwest
Japan. Memoirs of Geological Society of Japan no. 42, pp.
91-120. [PDF]
•
Okudaira T, Hayasaka Y, Hoshino K, Ikeda K: Quantitative analysis of
the trace elements in silicate rocks by X-ray fluorescence method. Earth
Science 47, 439-444 (in Japanese with English abstract).
•
Shiota T, Hara I, Seki S, Ikeda Y, Okudaira T, Hide K: Sinistral en
echelon folding of the Sambagawa schists and its tectonic
implications. Journal of Science of Hiroshima University
(Geology and Mineralogy), ser. C 9, 671-683.
1991
•
Hara I, Sakurai Y, Okudaira T, Hayasaka Y, Ohtomo Y, Sakakibara N:
Tectonics of the Ryoke belt. Excursion Guidebook of 98th Annual
Meeting of the Geological Society of Japan pp.1-20 (in
Japanese).
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