| mhorn | Дата: Sunday, 30.05.2010, 20:16 | Сообщение # 1 |
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| Marinov V.A., Meledina S.V., Dzyuba O.S., Urman O.S. Upper Jurassic and Lower Cretaceous biostratigraphy of the central part of Western Siberia // News of palaeontology and stratigraphy, Vol.12, P.119-142. [in Russian with English summary]
Pdf: http://www.ipgg.nsc.ru/Journal...._10.pdf
Fossil distribution was studied in the Upper Jurassic and Lower Cretaceous deposits penetrated by boreholes in the Agan-Vakh and Nadym-Vengapur areas of Western Siberia. Ammonite, bivalve, and foraminiferan biostratons were established and correlated with the Mesozoic regional correlation charts of Western Siberia and Boreal Standard. Paleontological characteristic of different formations and units was essentially revised. A number of ammonite, belemnite, bivalve and foraminiferan genera and species are described and illustrated.
Middle Jurassic - Lower Cretaceous ammonites & aptychi
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