Tatamigaura Sandstone Member

Type locality: Iwami-Tatamigaura, Kokubu town, Hamada city, Shimane prefecture
Coherent formation
middle Miocene

Sedimentary facies: Marine
Sedimentary facies (Upper): Inner shelf
Sedimentary facies (Lower): Shoreface
Lithofacies: Sandstone, Conglomerate, Muddy sandstone
Sedimentary structures: Hummocky cross-stratification, Low angle cross-stratification, Parallel stratification

Upper limit: Unconformity (Tsunozu Formation, Kokubu Formation)

Togane Formation
[ Upper ]
~~~~~~~~~~~~~~
Tatamigaura Sandstone Member
--------------
Kanaso Conglomerate and Sandstone Member
--------------
Anegahama Sandstone Member
--------------
Toganegawa Mudstone Member
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Iwami-Tatamigaura, Kokubu town, Hamada city, Shimane pref.
Fossils (Trace fossils): Teredolites, Piscichnus waitemata, Macaronichnus isp., Thalassinoides suevicus, Schaubcylindrichnus coronus, Ophiomorpha nodosa
Fossils: Turritella kadonosawaensis, Glycymeris spp., Glycymeris cisshuensis, Dosinia nomurai, Anadara watanabei, Dosinia nomurai, Saccella confusa, Glycymeris minoensis, Crassostrea gravitesta, Crassatellites pauxillus, Ezocallista kurodae, Clementia iizukai, Mizuhopecten kimurai, Siratoria siratoriensis, Panopea japonica, Chlamys itoigawae, Dentalium yokoyamai, Acila submirabilis, Barnacles

Takahashi et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.9, pp.474-492 DOI