Bending-Related Topographic Structures of the Subducting
Plate in the Northwestern Pacific Ocean ......................... 1
Masao Nakanishi
Erosional Subduction Zone in the Northern Japan Trench:
Review of Submersible Dive Reports ............................. 39
Yujiro Ogawa
Boso TTT-Type Triple Junction: Formation of Miocene to
Quaternary Accretionary Prisms and Present-Day
Gravitational Collapse ......................................... 53
Yujiro Ogawa and Yukio Yanagisawa
Rifting Structure of Central Izu-Ogasawara (Bonin) Arc Crust:
Results of Seismic Crustal Imaging ............................. 75
Narumi Takahashi, Mikiya Yamashita, Shuichi Kodaira,
Seiichi Miura, Takeshi Sato, Tetsuo No, Kaoru Takizawa,
Yoshiyuki Tatsumi, and Yoshiyuki Kaneda
Seafloor Geology of the Basement Serpentinite Body in the
Ohmachi Seamount (Izu-Bonin Arc) as Exhumed Parts of
a Subduction Zone Within the Philippine Sea .................... 97
Hayato Ueda, Kiyoaki Niida, Tadashi Usuki, Ken-ich
Hirauchi, Martin Meschede, Ryo Miura, Yujiro Ogawa, Makoto
Yuasa, Izumi Sakamoto, Tae Chiba, Takahiro Izumino,
Yoshiyuki Kuramoto, Toyoto Azuma, Toru Takeshita,
Takeshi Imayama, Yuki Miyajima, and Takahiro Saito
Petrology and Mineralogy of Mantle Peridotites from the
Southern Marianas ............................................. 129
Hiroshi Sato and Teraaki Ishii
Tectonics of Unusual Crustal Accretion in the
Parece Vela Basin ............................................. 149
Yasuhiko Ohara, Kyoko Okino, and Jonathan E. Snow
Structural Profile and Development of the Accretionary
Complex in the Nankai Trough, Southwest Japan: Results of
Submersible Studies ........................................... 169
Ryo Anma, Yujiro Ogawa, Gregory F. Moore, Kiichiro
Kawamura,Tomoyuki Sasaki, Shunsuke Kawakami, Yildirim
Dilek, Yoko
Michiguchi, Ryota Endo, Shunji Akaiwa, Satoro Hirano
Submarine Outcrop Evidence for Transpressional Deformation
Within the Nankai Accretionary Prism, Tenryu Canyon, Japan .... 197
Nicholas W. Hayman, Kurtis C. Burmeister, Kiichiro
Kawamura, Ryo Anma, and Yasuhiro Yamada
Rapid Exhumation of Subducted Sediments Along an Out-of-
Sequence Thrust in the Modern Eastern Nankai Accretionary
Prism ......................................................... 215
Kiichiro Kawamura, Yujiro Ogawa, Hidetoshi Hara, Ryo Anma,
Yildirim Dilek, Shunsuke Kawakami, Shun Chiyonobu, Hideki
Mukoyoshi, Satoshi Hirano, and Isao Motoyama
Dark Bands in the Submarine Nankai Accretionary Prism -
Comparisons with Miocene-Pliocene Onshore Examples from Boso
Peninsula ..................................................... 229
Yoko Michiguchi and Yujiro Ogawa
Gas Chemistry of Pore Fluids from Oomine Ridge on the Nankai
Accretionary Prism ............................................ 247
Tomohiro Toki, Kenji Maegawa, Urumu Tsunogai, Shinsuke
Kawagucci, Naoto Takahata, Yuji Sano, Juichiro Ashi,
Masataka Kinoshita, and Toshitaka Gamo
Long-Term Stability of Acoustic Benchmarks Deployed on Thick
Sediment for GPSJ Acoustic Seafloor Positioning ............... 263
Hiromi Fujimoto, Motoyuki Kido, Yukihito Osada, Keiichi
Tadokoro, Takashi Okuda, Yoshihiro Matsumoto, and Kozue
Kurihara
Index ......................................................... 273
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