[Cover Photograph]

[Abstracts]

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* Early Permian radiolarians from siliceous mudstone in the Rikuchu-Seki District, North Kitakami Terrane

Masao Kametaka, Satoshi Nakae and Kotaro Kamada (237-243) [PDF : 980 KB]

* Paleozoic and Mesozoic granitic rocks in the Hotont area, central Mongolia

Sambuu Oyungerel and Shunso Ishihara (245-258 in English) [PDF : 1,725 KB]

* Chemical characteristics of water-insoluble components in aeolian dust collected in China in spring 2002

Atsuyuki Ohta, Renjian Zhang, Shigeru Terashima, Yutaka Kanai,
Hikari Kamioka, Noboru Imai, Yukihiro Matsuhisa, Hiroshi Shimizu,
Yoshio Takahashi, Kenji Kai and Masahiko Hayashi (259-272 in English)
[PDF : 275 KB]

* Observation of mass concentration and particle size of atmospheric aerosol in east Asia and dry deposition in Tsukuba in combination with optical particle counter observation

Yutaka Kanai, Atsuyuki Ohta, Hikari Kamioka, Noboru Imai,
Hiroshi Shimizu, Yoshio Takahashi, Kenji Kai, Masahiko Hayashi
and Renjian Zhang (273-301 in English) [PDF : 644 KB]