Kitsunesaki Sandstone and Shale Member

Type locality: Oginohama, Ishinomaki city, Miyagi prefecture
Coherent formation
Late Jurassic, Oxfordian (Ammonoids)

Sedimentary facies: Marine
Lithofacies: Interbedded sandstone and shale
Lithofacies (Minor): Cross stratification
Sedimentary structures: Cross stratification, Graded bedding, Groove marks, Slump structures

Thickness: ca. 350 - 400 m
Lower limit: Conformity (Samuraihama Shale Member)

Oginohama Formation
[ Upper ]
--------------
Fukkiura Shale and Sandstone Member
--------------
Kozumi Shale Member
--------------
Makinohama Sandstone Member
--------------
Kitsunesaki Sandstone and Shale Member
--------------
[ Lower ]

Ojika Group
[ Upper ]
~~~~~~~~~~~~~~
Ayukawa Formation
--------------
Oginohama Formation
--------------
Tsukinoura Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Cape Kitsunesaki - Oginohama - Samenoura - Yoriiso - Kamazaki - Makinosaki - Kobuchi - Oharahama - Aji island, Ishinomaki city, Miyagi pref.; Ogaizaki, Onagawa city, Oshika county, Miyagi pref.
Fossils (Ammonoids): Bullatimorphites sp., Choffatia? oginohamaensis, Perisphinctes (Kranaosphinctes) cf. matsushimai, Pseudoperisphinctinae gen. spp.
Fossils (Limestone gravels): Crinoids, Echinoids

Takizawa et al. (1987) Geology of the Yoriiso District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 74p. (in Japanese with English abstract 5p.)
Takizawa et al. (1984) Geology of the Ishinomaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 103p. (in Japanese with English abstract 7p.)
Takizawa et al. (1974) Geology of the Kinkasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 62p. (in Japanese with English abstract 5p.)