[ Top ] [ Japanese ]

Lower Mitsumineyama Lava Mukai et al., 2009

Invalid synonym: Mitsumine Lower Volcanics

• Type locality: 1,550 m above sea level of Wada river, Nagawa city, Chiisagata county, Nagano prefecture
• Volcanic rocks
• Pleistocene

• Sedimentary facies: Terrestrial
• Lithofacies: Olivine pyroxene andesite lava

• Eruptive volume: 0.88 km³ or more
• Thickness: ca. 100 - 200 m
• Upper limit: Unconformity (Upper Mitsumineyama Lava)
• Lower limit: Conformity (Tobiratoge Volcaniclastics), Unconformity (Yateikurasawa Lavas)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: 1,550 - 1,650 m of southwest slope - 1,400 - 1,600 m of northeast slope of Mount Mitsumine, Wada, Nagawa city, Chiisagata county, Nagano pref.; 1,550 above sea level of Wada river, Nagawa city, Chiisagata county, Nagano pref.

• Mukai et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.8, pp.400-422 DOI