[Cover Photograph]

[Abstracts]

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* Organic geochemical study of natural gases from major gas fields in Japan

Shunichiro IGARI (445-470 in English) [PDF : 1,858 KB]

* Genesis of Late Cretaceous-Paleogene Granitoids with Contrasting Chemical Trends in the Chubu District, Central Japan

Shunso ISHIHARA and Chengyu Wu (471-492 in English) [PDF : 1,501 KB]