[ Top ] [ Japanese ]

TY Tephra

Abbr.: TY

• Type locality: Takiguchi, Shirahama town, Minamiboso city, Chiba prefecture
• Tephra
• Pliocene - Pleistocene

• Lithofacies (Upper): Pumice
• Lithofacies (Lower): Scoria, Vitreous volcanic ash

• Host: Mera Formation, Hata Formation
• Thickness (Upper): 40 cm
• Thickness (Lower): 8 - 8.5 cm

• Distribution: Takiguchi, Shirahama town, Minamiboso city, Chiba pref.

• Kawakami and Shishikura (2006) Geology of the Tateyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 82p. (in Japanese with English abstract 5p.)