| Title | Author | PDF |
| K-Ar dating of welded tuffs in the Kanayama area, eastern Gunma Prefecture, Central Japan |
Masaki TAKAHASHI, Ikuya OTOMO and Kazuo SAITO (167-173) |
42-04_01.pdf(878KB) |
| Erosion and landslip in granitic mountains at the western part of Takahagi and Juo in Ibaraki Prefecture |
Ichiyo ISOBE (175-197) |
42-04_02.pdf(2,554KB) |
| Geochemistry of sediments from the Flank province of Costa Rica Rift in the Panama Basin |
Hodaka KAWAHATA, Saburo AOKI, Steven. D. SCOTT and Toshio ISHIZUKA(199-220) |
42-04_03.pdf(2,306KB) |