Vol.XIX, No.4 ( 1981-02 issued )
Petrographic Study on So-Called "Madaraishi" from Machiya Town : A Contribution to the "Koshidai-Takaboyama-Daioh'in Structural Belt", Abukuma Plateau, Japan |
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Shimaoka, Hiroshi | 395-413 |
Nickeliferous Pyrrhotite Deposits and Ores from the Oshirabetsu Mine, Tokachi Province, Hokkaido |
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Bamba, Takeo | 415-438 |
On the Occurrence of Koninckopora (Calcareous Alga) from the Viséan of Shikoku, Japan |
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Nakai, Hitoshi;Kato, Makoto | 439-450 |
The Revision of the So-Called "Cercidiphyllum" Leaves from the Paleogene of North Japan |
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Tanai, Toshimasa | 451-484 |
Petrography and Mineralogy of Xenoliths from the Yatsugatake Volcanic Chain, Central Japan I. Ti-Garnet |
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Oba, Takanobu;Kawachi, Shimpei | 485-494 |
Clinopyroxenes and Spinels in the System CaMgSi2O6-CaAl2SiO6-CaCrAlSiO6 : A Preliminary Report |
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Onuma, Kosuke;Tohara, Tatsuhide | 495-503 |
Fission Track Ages of Pyroclastic Flows in the Pliocene Ashoro Formation and the Plio-Pleistocene Ikeda Formation Developed in Eastern Hokkaido, Japan |
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Koshimizu, Satoshi | 505-518 |
An Automatic Astatic Magnetometer for Paleomagnetic Studies |
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Fujiwara, Yoshiki;Yoshida, Mitsuo | 519-526 |
The 1741-1742 Activity of Oshima-Ōshima Volcano, North Japan |
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Katsui, Yoshio;Yamamoto, Masatsugu | 527-536 |