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Dainichi Sand Member
Invalid synonym: Dainichi Sandstone
- Coherent formation
- early Pliocene
- Sedimentary facies: Marine
- Sedimentary facies: Forearc basin (Sagara-Kakegawa Basin) deposit
- Lithofacies: Sands, Gravels
- Lithofacies (Upper, Minor): Mud
- Lithofacies (Bottom): Conglomerate
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Asuka - Ieshiro, Kakegawa city, Shizuoka pref.; Dainichi - Ugari, Fukuroi city, Shizuoka pref.; Kitaogasa, Kikukawa city, Shizuoka pref.; Yonekura - Iida, Mori city, Shuchi county, Shizuoka pref.
- Fossils (Shellfishes): Acmaea pygmaea, Amussiopecten praesignis, Anadara satowi, Anadara satowi castellata, Ancilla albocallosa, Ancilla (Baryspira) cf. urashima, Babylonia elata, Babylonia japonica, Bathytoma lühdorfi, Bittium crosio, Cancellaria nodulifera, Cancellaria pristina, Cantharus totomiensis, Chione isabellina, Clementia vatheleti, Clathrodrillia pseudoprincipalis, Conus tuberculatus, Crassatellites yagurai, Dentalium buccinulum, Dentalium weinkauffi, Glycymeris nakamurai, Glycymeris rotunda, Lacuna intermedia, Limopsis chitaniana, Macoma praetexta, Mactra crossei, Mitra dainichiensis, Monilea cingulata, Murex (Chicoreus) totomiensis, Nassarius kurodai, Natica janthostoma, Oliva mustelina, Olivella fulgurata, Panope generosa, Paphia euglypta, Paphia schnelliana, Paradrillia dainichiensis, Polinices sagamiensis, Raeta pulchella, Siphonalia dainichiensis, Siphonalia declivis, Siphonalia declivis biconica, Solecurtus divaricatus, Suchium subsuchiense, Suchium suchiense, Suchium mysticum, Suchium obsoletum, Tellina kurodai, Terebra abdita, Terebra bifrons, Terebra yokoyamai, Terebra bifrons, Terebra asukensis, Terebra dainichiensis, Terebra subtextilis, Thais nakamurai, Tomopleura yokoyamai, Tomopleura subdifficilis, Tomopleura yokoyamai, Tonna japonica, Trigonostoma kurodai, Turricula sobrina, Turricula subdeclivis, Turris ugaliensis, Turritella perterebra, Turritella totomiensis, Venericardia panda
- Tephra: Hotta Tuff
- Makiyama and Sakamoto (1957) Mitsuke & Kakezuka, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 43p. (in Japanese with English abstract 7p.)
- Saito and Isomi (1954) Akihasan, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 34p. (in Japanese with English abstract 10p.)