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Hokkaido University Collection of Scholarly and Academic Papers >
Showing results 1 to 9 of 9
Showing results 1 to 9 of 9
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Recent SubmissionsKatsui, Yoshio... [et al.] (1981) The 1741-1742 Activity of Oshima-Ōshima Volcano, North Japan. 北海道大学理学部紀要, 19(4): 527-536 Oshima-Ōshima, a small volcanic island in the Japan Sea, had been in one cycle of eruption during 50....
Fujiwara, Yoshiki... [et al.] (1981) An Automatic Astatic Magnetometer for Paleomagnetic Studies. 北海道大学理学部紀要, 19(4): 519-526 A computer controlled automatic astatic magnetometer system is developed at the paleomagnetic labora....
Koshimizu, Satoshi (1981) Fission Track Ages of Pyroclastic Flows in the Pliocene Ashoro Formation and the Plio-Pleistocene Ikeda Formation Developed in Eastern Hokkaido, Japan. 北海道大学理学部紀要, 19(4): 505-518 Fission track ages of the three pyroclastic flow deposits developed in the Tokachi Province, eastern....
Onuma, Kosuke... [et al.] (1981) Clinopyroxenes and Spinels in the System CaMgSi2O6-CaAl2SiO6-CaCrAlSiO6 : A Preliminary Report. 北海道大学理学部紀要, 19(4): 495-503 The system CaMgSi2O6-CaAl2SiO6-CaCrAlSiO6 has a wide liquidus field for spinel at 1 atm. In the CaMg....
Oba, Takanobu... [et al.] (1981) Petrography and Mineralogy of Xenoliths from the Yatsugatake Volcanic Chain, Central Japan I. Ti-Garnet. 北海道大学理学部紀要, 19(4): 485-494 Calc silicate xenoliths from the Yatsugatake Volcanic Chain have representative mineral assemblage o....
Tanai, Toshimasa (1981) The Revision of the So-Called "Cercidiphyllum" Leaves from the Paleogene of North Japan. 北海道大学理学部紀要, 19(4): 451-484 Leaves superficially similar to Cercidiphyllum have been commonly reported from the Paleogene of the....
Nakai, Hitoshi... [et al.] (1981) On the Occurrence of Koninckopora (Calcareous Alga) from the Viséan of Shikoku, Japan. 北海道大学理学部紀要, 19(4): 439-450 A new species of dasycladacean algae, Koninckopora delicata, is described from the Upper Viséan Bunt....
Bamba, Takeo (1981) Nickeliferous Pyrrhotite Deposits and Ores from the Oshirabetsu Mine, Tokachi Province, Hokkaido. 北海道大学理学部紀要, 19(4): 415-438 Nickeliferous pyrrhotites are found concentrated in various grade in the Oshirabetsu gabbro mass whi....
Shimaoka, Hiroshi (1981) Petrographic Study on So-Called "Madaraishi" from Machiya Town : A Contribution to the "Koshidai-Takaboyama-Daioh'in Structural Belt", Abukuma Plateau, Japan. 北海道大学理学部紀要, 19(4): 395-413 The ultrabasic rocks in the vicinity of Machiya Town, Ibaragi Prefecture, Japan can be classified in....
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