[ Top ] [ Japanese ]

Mihirayama Andesite

• Volcanic rocks
• Pliocene

• Lithofacies: Andesite

• Upper limit: Unconformity (Somma)
• Lower limit: Unconformity (Miyamaguchi Dacite, Biotite granite)

• Distribution: Mount Mihirayama, Hiruzen, Maniwa city, Okayama pref.

• Ota (1962) Yumoto, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 29p. (in Japanese with English abstract 3p.)