富倉層

富倉層 (森島, 1941) 柳沢ほか, 2000

とみくら

Tomikura Formation (Morishima, 1941) Yanagisawa et al., 2000

別名 (無効): 富倉泥岩層

------ 整合, ~~~~~~ 不整合, ~~~--- 部分不整合, '''/,, 指交, :::::: 断層, /--/-- 衝上断層, +__+__ 地表, ?--?-- 不明

分布: 長野県飯山市富倉松田川 (まつだがわ), 新潟県妙高市平丸平丸川 (ひらまるがわ)
化石 (大桑-万願寺動物群): Acila (Truncacila) insignis, Anadara cf. amicula, Ennucula nipponica, Pectinidae, Portlandia (Portlandella) toyamaensis, Robaia robai, Turritella saishuensis saishuensis
化石 (珪藻): Actinocyclus cf. curvatulus, Actinocyclus octonarius, Actinocyclus tenerus, Actinoptychus senarius, Adoneis pacifica, Aulacoseira spp., Clavicula polymorpha, Cocconeis californica, Cocconeis costata, Cocconeis curviritunda, Cocconeis scutellum, Cocconeis vitrea, Coscinodiscus marginatus, Coscinodiscus perforatus, Coscinodiscus radiatus, Cyclotella striata, Delphineis surirella, Grammatophora spp., Hyalodiscus obsoletus, Hyalodiscus rodiatus, Koizumia tatsunokuchiensis, Neodenticula kamtschatica, Nitzschia rolandii, Paralia sulcata, Proboscia barboi, Rhizosolenia hebetata, Rhizosolenia styliformis, Stellarima microtrias, Stephanopyxis spp., Thalassionema nitzschioides, Thalassiosira antiqua, Thalassiosira jacksonii, Thalassiosira leptopus, Thalassiosira marujamica, Thalassiosira nidulus, Thalassiosira oestrupii, Thalassiosira praeoestrupii, Thalassiosira temperei, Thalassiosira trifulta, Thalassiothrix longissima, Trochosira concava
テフラ: 上小沢凝灰岩, 下樽本凝灰岩