| Title | Author | PDF |
|---|
| Rb-Sr isochron ages and initial Sr isotope ratios of the Ukan granodiorite and Kayo granite, central Okayama prefecture, southwest Japan |
Tetsuichi AKAGI and Hiroo KAGAMI (219-224) |
46-05_01.pdf(779KB) |
| Estimation of sedimentation rate at the lake Suwa in Nagano Prefecture determined by Pb-210 and Cs-137 radioactiveities |
Yutaka KANAI, Yoshio INOUCHI, Hajime KATAYAMA and Yoshiki SAITO (225-238) |
46-05_02.pdf(1,185KB) |
| mprovements of the K-Ar dating system at Geological Survey of Japan – Introduction of computer-controlled mass-spectrometry and pipette spike reservoir – |
Kozo UTO, M. Conrey RICHARD, Takafumi HIRATA and Shigeru UCHIUMI (239-249) |
46-05_03.pdf(1,199KB) |
| A study document collection |
46-05_04.pdf(1,533KB) |
