[Cover Photograph]
[Abstracts]
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* Tertiary geology and chronostratigraphy of the Joban area and its environs, northeastern Japan
- Itsuki Suto, Yukio Yanagisawa and Kenshiro Ogasawara (375-409) [PDF : 2,168 KB]
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* Molluscan associations and paleoenvironment of the Pliocene formations around Umikawa River in Itoigawa City, Niigata Prefecture, central Japan
- Mitsuhisa Endo, Kazutaka Amano and Yukio Yanagisawa (411-424) [PDF : 1,165 KB]
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* Fission-track dating and paleomagnetic polarity of the Lower Miocene in the Yatsuo area, central Japan
- Yasuto Itoh and Mahito Watanabe (425-429) [PDF : 590 KB]
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