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The stratigraphy of the Cretaceous sediments exposed in the Yubari dome is described in this paper. It may be summarized in a generalized section of Fig. 2. On fossil evidence the subdivided units are... clearly correlated with the reference scales at home and abroad. Short palaeontologic remarks are given on some species in connection with the correlation. The sedimentary accumulation in the site of the Yubari dome was generally less thick and much slower than that in other adjacent areas. This was especially remarkable in Cenomanian and Coniacian ages. The site of Yubari dome was fairly close to, if not on, the western margin of the Cretaceous sedimentary basin, while the geosynclinted sinking was more intense in the eastern area as represented by the Shuyubari valley.続きを見る
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Mendeley出力
15_01_p079