入菅谷層

入菅谷層菅原, 1972 ex 北村ほか, 1983

いりすがや

Irisugaya Formation Sugawara, 1972 ex Kitamura et al., 1983

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

分布: 宮城県宮城郡利府町入菅谷 (いりすがや) - 宮の前 (みやのまえ) - 沢乙 (さわおと)
化石: サンドパイプ
化石 (二枚貝): Buccinum? sp., Chlamys cf. kaneharai, Macoma sp.
化石 (珪藻): Actinocyclus ingens, Actinocyclus undulatus, Cocconeis sp., Coscinodiscus endoi, Coscinodiscus marginatus, Coscinodiscus symbolophorus, Coscinodiscus yabei, Denticulopsis hustedtii, Denticulopsis nicobarica, Denticulopsis praedimorpha, Fragilaria sp., Goniothecium odontella, Goniothecium rogersii, Goniothecim tenue, Grammalophora sp., Mediaria splendida, Melosira sol, Navicula sp., Paralia sulcata, Rhaphoneis sp., Rhizosolenia barboi, Rhizosolenia cf. styliformis, Rouxia californica, Stephanogonia hanzawae, Stephanopyxis turris, Thalassionema hirosakiensis, Thalassionema nitzschioides, Thalassionema cf. schraderi, Thalassiosira sp., Thalassiothris logissima