‘O‚֌•ʉΎR‘Ìˆê——ŽŸ‚Ö

211
457•ÒŠ}ŽR•Ê–¼�@“ú–{‚̉ΎR‘æ‚P”Å�@�@�@
‰ÎŽR”Ô�†64�@“ú–{‚̉ΎR‘æ‚Q”Å�@�@64�@
‰ÎŽR–¼”ªƒ–Šx�i“씪ƒ–Šx�j�@Šˆ‰ÎŽRƒJƒ^ƒ�ƒO�@�@�@
ŒÂ•ʉΎR‘̂̈ʒu�VŠú�A�¼—ñ�@‰ÎŽR‘Ì”Ô�†�@�@�@

�@’˜�@ŽÒ�@‰Í“à�W•½

ˆÊ’u‚Ƒ傫‚³
�@�@�@�@�@�@’nŒ`“I�@�@Žå‰Î“¹�@
�@ˆÜ�@�@“x�@�@35�‹56�Œ18���@�@35�K56�Œ19���@
�@Œo�@�@“x�@�@138�‹20�Œ54���@�@138�K21�Œ35���@
�@�Å�‚“_�‚“x�@�@2523.7�@m
�@Šî”Õ�‚“x�@�@2300�@m
�@•ª•z–Ê�Ï�@�@2.13�@km2
�@‰ÎŽR‘Ì‘Ì�Ï�@�@0.17�@km3

Šˆ“®Žž‘ã‚Æ�«Ž¿
�@•¬�o•¨‚Ì•ª—Þ�@�@—nŠâ�@
�@‰ÎŽR‘̂̕ª—Þ�@�@LC�@
�@‘w�˜�@�@�X�V�¢’†�|ŒãŠú�@
�@”N‘㑪’è’l�@�@0.14�`0.15Ma�@

Šâ�Ζ¼
�@Œº•�Šâ�@�@�@
�@Œº•�ŠâŽ¿ˆÀŽRŠâ�@�@�@
�@ˆÀŽRŠâ�@�@‘½‚¢�@
�@ƒfƒCƒTƒCƒg�@�@�@
�@—¬–äŠâ�@�@�@
�@‚»‚Ì‘¼�@�@�@

�@‰»Šw•ª�Í’l�@
�@OL-hyp-aug andesite (SiO2=54.0%)[4]Table23�@

ˆø—p•¶Œ£
1�@‰Í“à�W•½�i1974�|75�jäø‰ÈŽR’nˆæ‚Ì’nŽ¿. ’nˆæ’nŽ¿Œ¤‹†•ñ���i‚T–œ•ª‚Ì‚P�}•��j, ’n’², 119p.�@Kawachi, S. (1974-75) Geology of the Tateshinayama district. Quadrangle Ser., scale 1:50,000. Geol. Surv. Japan, 92p. (in Japanese with English abstract 4p.) 417
2�@‰Í“à�W•½�i1977�j”ªƒ–Šx’nˆæ‚Ì’nŽ¿. ’nˆæ’nŽ¿Œ¤‹†•ñ���i‚T–œ•ª‚Ì‚P�}•��j, ’n’², 92p.�@Kawachi, S. (1977) Geology of the Yatsugatake district. Quadrangle Ser., scale 1:50,000, Geol. Surv. Japan, 92p., (in Japanese with English abstract 5p.) 419