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Hakone-Futagoyama Yamazaki Block-and-Ash Flow Deposit Kasama et al., 2010

Abbr.: Hk-FtY

• Volcanic rocks
• Late Pleistocene (23,390 yr BP)

• Sedimentary facies: Terrestrial
• Sedimentary facies: Block-and-ash flow deposit

• Source: Futagoyama Lava Dome
• Thickness: 12 m or thicker
• Length: 200 m
• Width: 40 m

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Hayakawa, Yamazaki, Yumoto, Hakone city, Ashigarashimo coutny, Kanagawa pref.

• Kasama et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.4, pp.229-232 DOI