Yatsu Clay Member

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Yatsu Clay Member

Type locality: Yatsu, Nakato, Musashimurayama city, Tokyo
Coherent formation
early Pleistocene

Lithofacies: Siltstone, Mudstone

Thickness: 95 m
Upper limit: Unconformity
Lower limit: Conformity

Sayama Formation
[ Upper ]
~~~~~~~~~~~~~~
Yatsu Clay Member
--------------
Mitsugi Conglomerate Member
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Mizuho Conglomerate Member
~~~~~~~~~~~~~~
[ Lower ]

Sayama hills
[ Upper ]
~~~~~~~~~~~~~~
Imokubo Formation
~~~~~~~~~~~~~~
Sayama Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Yatsu, Nakato, Musashimurayama city, Tokyo; Sanpoiri Tokorozawa city, Saitama pref.
Fossils: Shellfishes, Plants

Suzuki et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.7, pp.343-356, DOI
Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)