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静岡県北部に露出する白亜系水窪層の地質と軟体動物化石 Geology and Molluscan Fossils from the Cretaceous Misakubo Formation, Northern Part of Shizuoka Prefecture, Japan シズオカケン ニ ロシュツ スル ハクアケイ ミサクボソウ ノ チシツ ト ナンタイ ドウブツ カセキ Yoshihara, Kazuki 吉原, 一城 ヨシハラ, カズキ Yoshihara 吉原 ヨシハラ Kazuki 一城 カズキ 小松, 俊文 コマツ, トシフミ Komatsu, Toshifumi 小松 コマツ Komatsu 俊文 トシフミ Toshifumi Yoshihara, Kazuki 吉原, 一城 ヨシハラ, カズキ Yoshihara 吉原 ヨシハラ Kazuki 一城 カズキ 小松, 俊文 (c) Tokyo Geographical Society 456 ammonoids Cenomanian bivalve assemblage mid-Cretaceous Albian stratigraphy Misakubo Formation Shizuoka Prefecture アンモナイト セノマニアン階 二枚貝群集 白亜紀中期 アルビアン階 層序 水窪層 静岡県 application/pdf 論文(Article) The geology and the paleontology of the Cretaceous Misakubo Formation have been investigated. The Misakubo Formation is narrowly distributed along the eastern side of the Sambagawa Belt and the Miocene Tokizawa Formation in the northern part of Misakubo, Hamamatsu, Shizuoka Prefecture. This formation consists mainly of black mudstone, fossils yielding bivalves, ammonoids, gastropods and crinoids. Late Albian mid-Cretaceous ammonoids such as Mortoniceras rostratum, Desmoceras latidorsatum, Desmoceras sp., Mariella sp., and Lechites sp. are found in the upper part of the formation. Shallow marine bivalve assemblage yielded in the formation is predominated by Pterotrigonia pustulosa. The fossil bivalve assemblage is compositionally similar to the inner shelf assemblages of the Enokuchi Formation of the Goshoura Group; the Miyanohara Formation, the Fukkoshi Formation and the Nagase Formation of the Sotoizumi Group and the Mikasa Formation of the Yezo Group. The range of these trigoniids might be incorrect, because Pterotrigonia mifunensis and Pterotrigonia monobeana yielded with M. rostratum. http://www.journalarchive.jst.go.jp/japanese/jnlabstract_ja.php?cdjournal=jgeography1889&cdvol=115&noissue=5&startpage=626 社団法人 東京地学協会 2006-12-25 jpn journal article VoR http://hdl.handle.net/2298/18695 https://kumadai.repo.nii.ac.jp/records/24675 0022135X AN00322536 地學雜誌 115 5 626 637 https://kumadai.repo.nii.ac.jp/record/24675/files/115_626.pdf application/pdf 2.9 MB 2020-03-02