島根大学総合理工学部地球資源環境学教室
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島根大学地球資源環境学研究報告 20
2001-12-28 発行
伊勢平野の東海層群火山灰層序
Tephrostratigraphy of the Tokai Group on Ise Plain,central Japan
吉川 周作
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The Phocene-Pleistocene Tokai Group is distributed around Ise Bay，and is composed of lacustrine and fluvial deposits such as gravels，sands and muds，along with many intercalated volcanic ash layers．The volcanic ash layers of the Tokai Group in the Ise Plain have been investigated stratigraphically，with the following results： 1）On the basis of their stratigraphic positions and properties of volcanic ash layers，the Tokai，Kobiwako and Osaka Groups are correlated with each other．2）The Akogi，Otaniike，Nomura，Iwamori，Minamitani-1，Nagasawa，Koyashiro，Bando-1，Karegawa and Tara volcanic ash layers are important key beds for interbasinal correlation．
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AA11455176
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