[ Top ] [ Japanese ]

Happongoshi Andesite Lava

• Type locality: Happongoshitoge pass, Saji, Tottori city, Tottori prefecture - Kamo, Tsuyama city, Okayama prefecture
• Volcanic rocks
• Pliocene

• Lithofacies: Olivine hornblende augite hypersthene andesite, Hornblende hypersthene andesite lava

• Thickness: 50 - 100 m
• Upper limit: Unconformity (Gorinbara Basalt Lava)
• Lower limit: Unconformity (Tando Tuff Breccia)

• Distribution: Happongoshitoge pass, Tottori pref. - Okayama pref.; Hotokedani, Awa, Tsuyama city, Okayama pref.

• Yamada (1966) Chizu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 11p.)