Schweizerbart期刊
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作者:Victoria Kostyleva , Oksana Dzyuba ...
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2015, Vol.277 (3), pp.307-335
摘要:A comprehensive study of the Bajocian-Bathonian (Middle Jurassic) boundary beds in the basin of the Izhma River led to recognition of five lithological members. The lower sandstone member (0), recognised at the base of the visible section, contains only small bivalves. Based...
作者:Victoria Kostyleva , Oksana Dzyuba ...
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2014, Vol.271 (1), pp.95-121
摘要:This paper presents the results of a detailed study of the Bajocian-Bathonian sections in the ?Sokur? Quarry near the city of Saratov and of a borehole drilled in the same quarry. The study of these Bajocian-Bathonian boundary beds, unique for the Boreal-Tethyan ecotone,offers a ...

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