Foothill of volcano

BA3 & BA7

Middle part of volcano

BH3 & BH9

Top hill of volcano

KH1 & KH4 & KH7

Olivine basalt

Trachybasalt basalt

Highly vesicular basalt

Olivine, clinopyroxene,

Ca-plagioclase, magnetite

and ilmenite

Clinopyroxene, Ca-plagioclase

and magnetite

Ca-plagioclase and volcanic glass (in major) and very minor components of magnetite, ilmenite ± olivine and clinopyroxene

-Olivine = [Mg, Fe]2[SiO4]

-clinopyroxene = [Ca, Na, Mg, Fe2+, Mn, Fe3+, Al, Ti]2[(Si, Al)2 O6]

-Ca-rich plagioclase = [Ca, Na, Al2SiO3 O8]

-Magnetite = [Fe3O4]

ilmenite = [FeO∙TiO2]

-clinopyroxene = [ Ca, Na, Mg, Fe2+, Mn, Fe3+, Al, Ti]2[(Si, Al)2 O6]

-Ca-rich plagioclase = [Ca, Na, Al2SiO3 O8]

-Magnetite = [Fe3O4]

-Ca-rich plagioclase = [Ca, Na, Al2SiO3 O8]

-volcanic glass (in major)

-very minor components of magnetite, ilmenite ± olivine and clinopyroxene