Hodokubo Unit

[ Top ] [ Japanese ]

Hodokubo Unit

Accretionary complex
Deposition: Middle - Late Jurassic
Intruded by: Dolerite

Sedimentary facies: Marine
Lithofacies: Mudstone, Mudstone mélange
Exotic blocks (Crusts): Chert
Exotic blocks (Crusts, Minor): Basalt volcaniclastic rocks, Limestone
Lithofacies (Lower): Chert

Thickness: ca. 2,000 m

Southern Chichibu Belt (Takato, Nagano pref.)
[ Upper ]
/--/--/--/--/-
Kamanashi Unit
/--/--/--/--/-
Hodokubo Unit
/--/--/--/--/-
Higashitani Unit
/--/--/--/--/-
Nyukasa Unit
/--/--/--/--/-
[ Lower ]

Chichibu Belt
[ Upper ]
/--/--/--/--/-
Kurosegawa Belt
/--/--/--/--/-
Northern Chichibu Belt
/--/--/--/--/-
Southern Chichibu Belt
/--/--/--/--/-
[ Lower ]

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

Distribution: Aoki - Mount Kamanashi - Hodokubo river, Fujimi city, Suwa county, Nagano pref.

Makimoto et al. (1996) Geology of the Takato District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 114p. (in Japanese with English abstract 6p.)