Hongusan Formation

Low P/T metamorphic rocks
Protolith: Jurassic
Protolith: Mino Belt

Lithofacies: Quartz-dominant sandstone

Ryoke Metamorphic Rocks (Mount Hongusan, Aichi pref.)
[ Upper ]
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Shimadagawa Formation
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Otogawa Formation
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Hongusan Formation
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[ Lower ]

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

Distribution: Mount Hogusan, Okazaki city, Aichi pref.; Mount Dandosan, Shitara city, Kitashitara county, Aichi pref.

Yamasaki and Ozaki (2012) Geology of the Asuke District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 76p. (in Japanese with English abstract 4p.)