Bulletin of the Geological Survey of Japan Vol.49 No.12 (1998)

Cover photograh | Table of Contents |

Cover photograh


Candle rock (felsic porphyry dike) of Kitami, Hokkaido

(Photoed by Shunso ISHIHARA, 2 July, 1994)

Table of Contents

The timing and geneses of ilmenite-series and magnetite-series granitic magmatism in the north-central Hokkaido, Japan Shunso ISHIHARA, Yukihiro MATSUHISA, Ryoji TANAKA, Hiroki IHARA, Akinori NAGASAKA, Toru KOIKE and Ken SHIBATA (605-620) 49-12_01.pdf(2,126KB)
On some species of Sharpeiceras (Ammonoidea) from the Cretaceous of Hokkaido, North Japan(Studies of the Cretaceous ammonites from Hokkaido and Sakhalin-LXXXIV) Tatsuro MATSUMOTO and Seiichi TOSHIMITSU (621-631) 49-12_02.pdf(9,136KB)
[ Notes and Comments ]
A note on newly found ore fields in Govi-Altai area, southern Mongolia
Tsagaanbilegiin TSEDEN , Satoshi MURAO, Abirmediin BAATARHUYAG, Dambiin ALTANTSETSEG and Chagnaadorjiin OYUNCHIMEG (633-638) 49-12_03.pdf(868KB)
[ Notes and Comments ]
Chemical change of underground water in soil and weatherd mantle
Yoji SEKI (639-667) 49-12_04.pdf(4,426KB)
Abstracts for Geological Survey Seminar, No. 255
Poster session of the newest geologic maps published by GSJ (669-677)