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HF Tephra

Abbr.: HF

Invalid synonym: KO

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

• Lithofacies: Pumice, Scoria

• Host: Mera Formation, Hata Formation

• Distribution: Takiyama, 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.)