[ Top ] [ Japanese ]

Takakurayama Volcanic Products

• Type locality: Mount Takakura, Shizukuishi city, Iwate county, Iwate prefecture
• Volcanic rocks
• Pleistocene - Holocene (1.2 Ma, K-Ar)

• Lithofacies: Orthopyroxene clinopyroxene andesite

• Lower limit: Unconformity (Kurasawayama Welded Tuff)

• Distribution: Mount Takakura - Mount Kotakakura, Shizukuishi city, Iwate county, Iwate pref.

• Suto and Ishii (1987) Geology of the Shizukuishi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 142p. (in Japanese with English abstract 5p.)