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Ha-4 Tephra

Abbr.: Ha-4

• Tephra
• middle Pleistocene
• Correlation: Koshienhama I Tephra, BT51

• Host: Sahama Mud Member

• Distribution: Shizuoka pref.

• Nakashima et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.2, pp.70-79 DOI