(Invalid name) Motochi Formation

(Invalid name) Motochi Formation Umino et al., 2009

This formation was divided into 3 formations by 2 unconformities.

Type locality: Hahajima, Ogasawara city, Tokyo
Volcanic rocks
Eocene

Motochi Formation
[ Upper ]
~~~~~~~~~~~~~~
Sekimon Formation
~~~~~~~~~~~~~~
Nishiura Formation
~~~~~~~~~~~~~~
Higashidai Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Hahajima, Ogasawara city, Tokyo

Umino et al. (2016) Geology of the Hahajima Retto District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 46p. (in Japanese with English abstract 2p.)