‘O‚֌•ʉΎR‘̈ꗗŽŸ‚Ö

439
279‘DŒ`ŽR•Ê–¼@“ú–{‚̉ΎR‘æ‚P”Å@@107@
‰ÎŽR”Ô†128@“ú–{‚̉ΎR‘æ‚Q”Å@@128@
‰ÎŽR–¼‘DŒ`@Šˆ‰ÎŽRƒJƒ^ƒƒO@@@
ŒÂ•Ê‰ÎŽR‘̂̈ʒu@‰ÎŽR‘̔Ԇ@@@

@’˜@ŽÒ@”º ‰ë’j

ˆÊ’u‚Æ‘å‚«‚³
@@@@@@’nŒ`“I@@Žå‰Î“¹@
@ˆÜ@@“x@@@@38.453@
@Œo@@“x@@@@140.623@
@Å‚“_‚“x@@1500.2 @m
@Šî”Õ‚“x@@@m
@•ª•z–ÊÏ@@@km2
@‰ÎŽR‘Ì‘ÌÏ@@25@km3

Šˆ“®Žž‘ã‚Æ«Ž¿
@•¬o•¨‚Ì•ª—Þ@@—nŠâC‰ÎÓŠâ@
@‰ÎŽR‘Ì‚Ì•ª—Þ@@SC@
@‘w˜@@–ñ0.9`0.5Ma@
@”N‘㑪’è’l@@0.56}0.03Ma, 0.60}0.03Ma, 0.77}0.07Ma, 0.84}0.05Ma, 0.85}0.14Ma -K-Ar[6]@

ŠâΖ¼
@Œº•Šâ@@Žå—v@
@Œº•ŠâŽ¿ˆÀŽRŠâ@@Žå—v@
@ˆÀŽRŠâ@@Žå—v@
@ƒfƒCƒTƒCƒg@@‹H@
@—¬–äŠâ@@‚È‚µ@
@‚»‚Ì‘¼@@@

@‰»Šw•ªÍ’l@
@ Tholeiitic Series: Ol}two px basalt`andesite (SiO2=49.8-60.1) [5]Tab.1i26ŒÂj[3]Tab.7i6ŒÂj, Calc-alkaline Series: Ol}qz}two px basalt`andesite (SiO2=56.3-60.7) [5]Tab.1i31ŒÂj[3]Tab.7i5ŒÂj[4]Tab.1i2ŒÂj; Cpx ol opx basaltic andesite (SiO2=54.7)[3]Tab.7i1ŒÂj@

ˆø—p•¶Œ£
1@@Kawano, Y., Yagi, K. and Aoki, K. (1961) Petrology and petrochemistry of the volcanic rocks of Quaternary volcanoes of northeast Japan. Sci. Rept. Tohoku Univ., ser. 3, 7, 1-46 46
2@–،ªˆê˜Yi1961j“ß{‰ÎŽR‘Ñ‚Ì‘ŠúŒº•Šâ—ÞDŠâzC45C54-65D@Aoki, K. (1961) Petrology of Neogene Tertiary basic volcanic rocks of northeastern Japan. J. Japan. Assoc. Min. Petr. Econ. Geol.C45C54-65D 45
3@˜a“cŒbŽ¡ (1981) “Œ–k“ú–{‘DŒ`‰ÎŽR‚̃\ƒŒƒAƒCƒgŒn—ñ‚ƃJƒ‹ƒNƒAƒ‹ƒJƒŠŒn—ñ‚Ì‘ÎÆ“I‚ÈŠâΊw“IŠÖŒWDŠâzC76C215-232D@WadaCKi1981jContrasted petrological relation between tholeiitic and calc-alkaline series from Funagata volcano, northeast Japan. J. Japan. Assoc. Min. Petr. Econ. Geol.C76C215-232. (in English with Japanese abstract) 1086
4@˜a“cŒbŽ¡ (1985) ‘DŒ`‰ÎŽRƒJƒ‹ƒNEƒAƒ‹ƒJƒŠˆÀŽRŠâ‚̃}ƒOƒ}¬‡‰ß’öDŠâzC80, 467-483D@WadaCKi1985jMagma mixing process of calc-alkalic andesites from Funagata volcano. J. Japan. Assoc. Min. Petr. Econ. Geol.C80C467-483. (in English with Japanese abstract) 1087
5@‹g“c•‹`Eˆ¢•”’q•FE’JŒû­×E–،ªˆê˜Yi1987j“Œ–k“ú–{ŒÊC‘DŒ`‰ÎŽR•¬o•¨‚Ì’n‹…‰»Šw“IŒ¤‹†D“Œ–k‘åŠwŠj—Œ¤Œ¤•ñC20C131-152D@Yoshida, T. et al. (1987) Geochemistry of rocks from Funagata volcano, northeast Japan arc.Res.Rep.Lab.Nuc.Sci.Tohoku Univ.,20, 131-152. in Japanese. 1161
6@¡“c³E‘åê—^Žu’jE‚‰ªé—Yi1989j‘DŒ`‰ÎŽR—nŠâ‚ÌK-Ar”N‘ãDŽRŒ`Œ§Šwp’²¸•ñ‘uŒäŠŽRvC33-36D @Konda,T. et al. (1989) K-Ar ages of lavas from Funagata volcano. in"Goshosan". Association of Yamagata genaral academic research(eds.), 33-36. 463
7@‘åê@Ži,”º@‰ë—Y (1996) å‘äŽsC••@ŽRŒº•Šâ‚Ì‘w€||ŒãŠú’†V¢`‘OŠú‘NV¢‚É•¬o‚µ‚½ƒsƒWƒ‡ƒ“‹PΔÁ»‚ðŠÜ‚ÞŒº•Šâ||i‰‰Ž|jD“ú–{‰ÎŽRŠw‰ïu‰‰—\eW “ú–{‰ÎŽRŠw‰ïC1996C92-92D@ 697