[Cover Photograph]

[Abstracts]

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* Platinum and palladium abundances in marine sediments and their geochemical behavior in marine environments

Shigeru Terashima, Naoki Mita, Seizo Nakao and Shunso Ishihara (725-747 in English) [PDF : 801 KB]

* Geochemistry of toxic trace elements (As, Sb, Pb, Cr, Mo, Bi, Cd, Tl) in the soils from the Kanto District, Japan: Preliminary study for the soil geochemical mapping (part 3)

Shigeru Terashima, Atsuyuki Ohta, Noboru Imai, Takashi Okai, Masumi Mikoshiba and Masahiro Taniguchi (749-774) [PDF : 1,877 KB]

* Data on Cenozoic molluscan fossils from the Chugoku and Kyushu Provinces, Japan

Yukito Kurihara, Hiroaki Ugai, Rei Nakashima, Kazuo Okamoto, Chisayo Matsue and Yukio Yanagisawa (775-793) [PDF : 558 KB]

* Practical method of determining plagioclase twinning laws under the microscope

Yuhei Takahashi (795-800 in English) [PDF : 715 KB]