Bulletin of the Geological Survey of Japan
Vol.61 No.5/6(2010) CONTENTS

Cover Photograph[Cover Photograph]

[Abstracts]

* Diatom biostratigraphy of the middle to upper Miocene Nomura Formation in the Otonashigawa section, Tsugawa area, Niigata Prefecture, Japan

Yukio Yanagisawa, Hironori Hiranaka and Katsuki Kurokawa (147-160) [PDF : 3.3 MB]

* 14C ages for the ejecta from Kutcharo and Mashu calderas, eastern Hokkaido, Japan

Takahiro Yamamoto1, Jun-ichi Itho1, Mitsuhiro Nakagawa2, Takeshi Hasegawa2 and Hiroshi Kishimoto (161-170) [PDF : 2.2 MB]

* Intrusive rocks in the Rikuchuseki District, northern Kitakami Mountains, NE Japan

Kazuya Kubo (171-193) [PDF : 3.7 MB]

* Boundary between the Sambagawa and Chichibu belts in the Odai area, Mie Prefecture, eastern Kii Peninsula, Japan

Mutsuki Aoya (195-202) [PDF : 5.5 MB]

* Age of felsic volcanism in the northeastern Izu Peninsula, Japan

Teruki Oikawa, Osamu Ishizuka, Hideki Iwano, Tohru Danhara (203-207) [PDF : 1.4 MB]

* Sodic-calcic amphiboles found from dolerite in the Nedamo Terrane, Northeast Japan

Takayuki Uchino and Makoto Kawamura (209-216) [PDF : 6.8 MB]

* Experimental studies of electromagnetic signals associated with stickslip of quartz free rocks

Nobumasa Shirai and Akito Tsutsumi (217-231) [PDF : 2.4 MB]

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