[Cover Photograph]

[Abstracts]

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* Geology of the Hiraiwa fluorite deposits and their relevance to the fluorine metallogenic province in Japan

Shunso Ishihara (167-176) [PDF : 1,306 KB]

* Geochronology and geochemistry of the Tamayama gold deposit hosted in the Hikami granitic rocks, southern Kitakami Mountains, Japan

Hiroyasu Murakami and Shunso Ishihara (177-182) [PDF : 647 KB]

* Bouguer Gravity Anomalies in Miyazaki District, Kyushu, Japan

Kazunari Nawa, Yasuaki Murata, Masao Komazawa, Rie Morijiri,
Toshio Hiroshima, Masahiko Makino, Fumitoshi Murakami, Kiyoyuki Kisimoto,
Shigeo Okuma and Ryuichi Shichi (183-208) [PDF : 3,047 KB]

* Preliminary study on behavior of uranium nuclides (²³⁸U, ²³⁴U) leached from JG-2 (granite)

Yutaka Kanai (209-223) [PDF : 1,314 KB]

* Seasonal and latitudinal changes of radiolarian sinking population in sediment trap samples from the central North Pacific

Akitomo Nakato, Isao Motoyama and Hodaka Kawahata (225-236) [PDF : 891 KB]