Bulletin of the Geological Survey of Japan
Vol.61 No.11/12(2010) CONTENTS.

[Cover Photograph]

* Petrochemistry of I-type magnetite-series granitoids of the northern Chile, Highland Valley, southern B. C., Canada, Erdenet mine, Mongolia, Dexing mine, China, Medet mine, Bulgaria, and Ani mine, Japan

Shunso Ishihara and Bruce W. Chappell (383-415 in English) [PDF : 1.0 MB]

* Diatom biostratigraphy of the middle to late Miocene Nomura and Tokonami Formations in the Tsugawa area, Niigata Prefecture, central Japan

Yukio Yanagisawa, Hironori Hiranaka and Katsuki Kurokawa (417-443) [PDF : 3.6 MB]

* Glaucophane found from meta-basalt in the Nedamo Terrane, Northeast Japan, and its geologic signifi cance

Takayuki Uchino and Makoto Kawamura (445-452) [PDF : 1.1 MB]

* Sedimentary facies and radiocarbon dates of GS-AHH-1 core obtained from Hirano District, Adachi-ku, Tokyo Metropolitan

Susumu Tanabe, Rei Nakashima, Hideyoshi Yoshioka, Mio Takeuchi and Yasuyuki Shibata (453-463) [PDF : 1.0 MB]

* Petrographic properties of Late Pleistocene tephra layers of the Akagi Volcano, northern Kanto, central Japan

Kentaro Sakata and Tsutomu Nakazawa (465-475) [PDF : 1.0 MB]

* Considerations on the formation age of Mikadoishi Lava Dome at Towada volcano, Northeast Japan

Takashi Kudo (477-484) [PDF : 1.0 MB]

* Reconnaissance study on sulfur isotopic ratios of lead-zinc ores from North Vietnam

Shunso Ishihara, Tuan Anh Tran and Kezhang Qin (485-488 in English) [PDF : 100 KB]

* Tephrostratigraphy of late middle Pleistocene to Holocene eolian deposits
in drill cores recovered from the Kamikita Plain, Northeast Japan

Takuichiro Kuwabara (489-494) [PDF : 1.0 MB]

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