Atagoyama Unit

Atagoyama Unit (Ozaki, 1959)

Invalid synonym: Atagoyama Group

Type locality: Mount Atagoyama, Choshi city, Chiba prefecture
Accretionary complex
Deposition (Chert): Triassic (Conodonts)
Accretion: Jurassic

Lithofacies: Sandstone, Chert
Lithofacies (Minor): Limestone

Thickness: Several hundreds m
Upper limit: Unconformity (Choshi Group)

Atagoyama Unit
[ Upper ]
/--/--/--/--/-
Kurohae Formation
/--/--/--/--/-
[ Lower ]

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

Distribution: Mount Atago - Takagami - Inuwaka, Choshi city, Chiba pref.

Tazawa and Hasegawa (2007) Jour. Geol. Soc. Japan, vol.113, no.8, pp.406-416 DOI