Integrated stratigraphy of the reference sections for the Callovian-Oxfordian boundary in European Russia

• Autorzy: Kiselev D. , Rogov M. , Glinskikh L. , Guzhikov A. , Pimenov M. , Mikhailov A. , Dzyuba O. , Matveev A. , Tesakova E.
• Języki publikacji: EN

Abstrakty

EN

The most complete succession of the Callovian-Oxfordian boundary recorded in European Russia is the Dubki section, where the authors have carried out integrated paleontological and magnetostratigraphical studies. A continuous sequence of the West-European biostratigraphic units in the interval from the Lamberti to the Cordatum Zones is present in this section, and 10 ammonite biohorizons have been recognized. Additional data concerning nannofossil assemblages, foraminifers, ostracods, belemnoids and the paleomagnetic polarity for the Dubki section are also presented. The Callovian-Oxfordian boundary, marked by FAD of the genus Cardioceras, is placed at the base of the scarburgense biohorizon. The paleontological richness and continuity of the succession make the Dubki section a possible GSSP candidate for the Callovian/Oxfordian boundary. Correlation of the Dubki ammonite succession with those of the other GSSP candidates, Redcliff Point and Thuoux, is proposed. Other sections studied in Russia have yielded some additional observations on the Callovian-Oxfordian boundary beds. Although in the Dubki section the praemartini biohorizon is not found, its existence is proved, however, in Orenburg region (Khanskaya Gora). In the Datchovskaya section (Northern Caucasus) the paucicostatum biohorizon is characterized by an unusual combination of Subtethyan and Boreal ammonites, including Kosmoceras, which is not typical of the paucicostatum biohorizon outside the Northern Caucasus.

Słowa kluczowe

EN

Callovian/Oxfordian boundary; Russian Platform; Northern Caucasus; reference section; integrated stratigraphy; GSSP

PL

granica kelowej/oksford; rosyjska platforma; Kaukaz Północny; punkt odniesienia; zintegrowana stratygrafia; globalny stratotyp granicy

• Wydawca: Państwowy Instytut Geologiczny - Państwowy Instytut Badawczy
• Czasopismo: Volumina Jurassica
• Rocznik: 2013
• Tom: Vol. 11, no. 1
• Strony: 59–--96
• Opis fizyczny: Bibliogr. 89 poz.

Twórcy

autor

Kiselev D.

• Yaroslavl State Pedagogical University, Kotoroslnaya nab. 46, Yaroslavl – 150000, Russia

autor

Rogov M.

• Geological Institute of the Russian Academy of Sciences, Pyzhevskii Lane 7, Moscow – 119017, Russia

autor

Glinskikh L.

• Trofimuk Institute of Petroleum Geology and Geophysics of Siberian Branch of RAS, Academician Koptyug Avenue 3, Novosibirsk – 630090, Russia

autor

Guzhikov A.

• Saratov State University, Geological Faculty, Astrakhanskaya Str. 83, Saratov – 410012, Russia

autor

Pimenov M.

• Saratov State University, Geological Faculty, Astrakhanskaya Str. 83, Saratov – 410012, Russia

autor

Mikhailov A.

• Saratov State University, Geological Faculty, Astrakhanskaya Str. 83, Saratov – 410012, Russia

autor

Dzyuba O.

• Trofimuk Institute of Petroleum Geology and Geophysics of Siberian Branch of RAS, Academician Koptyug Avenue 3, Novosibirsk – 630090, Russia

autor

Matveev A.

• Kharkov National University, Geological-Geographical Faculty, Svobody square, 4, Kharkov – 61077, Ukraine

autor

Tesakova E.

• Moscow State University, Geological Faculty, Vorobiovy Gory, Moscow – 119899, Russia

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