New palynological data for Toarcian (Lower Jurassic) deep-marine sandstones of the Western Caucasus, southwestern Russia

• Autorzy: Goryacheva A. A. , Zorina S. O. , Ruban D. A. , Eskin A. A. , Nikashin K. I. , Galiullin B. M. , Morozov V. P. , Mikhailenko A. V. , Nazarenko O. V. , Zayats P. P.

Identyfikatory

DOI

10.2478/logos-2018-0012

• Języki publikacji: EN

Abstrakty

EN

Information on Jurassic palynomorphs from the Greater Caucasus is potentially of great importance, but its availability to the international research community is severely limited. New palynological data for Toarcian deposits of the Western Caucasus are recorded in the present paper. Particularly, dinoflagellate cysts are described for the first time from the Bagovskaja Formation; palynomorphs are found in sandstone levels within this unit. The most representative assemblage includes pollen (with predominant bisaccate pollen), spores (Cyathidites being commonest), and dinoflagellate cysts amongst which the predominant taxon is Nannoceratopsis spiculata. The dinocyst assemblage implies a late Toarcian age for the upper part of the Bagovskaja Formation. On the basis of these new palynostratigraphical results, the range of the formation is extended; previously, only the lower part had been dated on ammonite evidence.

Słowa kluczowe

EN

dinoflagellate cysts; pollen; spores; sandstones; Jurassic; Greater Caucasus

PL

dinocysty; bruzdnice; pyłki; zarodniki; piaskowce; jura; Wielki Kaukaz

• Wydawca: Uniwersytet im. Adama Mickiewicza. Instytut Geologii
• Czasopismo: Geologos
• Rocznik: 2018
• Tom: Vol. 24, No. 2
• Strony: 127--136
• Opis fizyczny: Bibliogr. 30 poz.

Twórcy

autor

Goryacheva A. A.

• Trofimuk Institute of Petroleum Geology and Geophysics of Siberian Branch of Russian Academy of Sciences, Koptug Avenue 3, Novosibirsk, 630090 Russia
• Novosibirsk State University, Pirogova Street 1, Novosibirsk, 630090 Russia

autor

Zorina S. O.

• Kazan (Volga Region) Federal University, Kremlyovskaya Street 18, Kazan, Republic of Tatarstan, 420008 Russia

autor

Ruban D. A.

autor

Eskin A. A.

• Kazan (Volga Region) Federal University, Kremlyovskaya Street 18, Kazan, Republic of Tatarstan, 420008 Russia

autor

Nikashin K. I.

• Kazan (Volga Region) Federal University, Kremlyovskaya Street 18, Kazan, Republic of Tatarstan, 420008 Russia

autor

Galiullin B. M.

• Kazan (Volga Region) Federal University, Kremlyovskaya Street 18, Kazan, Republic of Tatarstan, 420008 Russia

autor

Morozov V. P.

• Kazan (Volga Region) Federal University, Kremlyovskaya Street 18, Kazan, Republic of Tatarstan, 420008 Russia

autor

Mikhailenko A. V.

• Southern Federal University, 23-ja linija Street 43, Rostov-na-Donu, 344019 Russia 5P.O. Box 7333, Rostov-na-Donu, 344056 Russia

autor

Nazarenko O. V.

• Southern Federal University, 23-ja linija Street 43, Rostov-na-Donu, 344019 Russia 5P.O. Box 7333, Rostov-na-Donu, 344056 Russia

autor

Zayats P. P.

• Southern Federal University, 23-ja linija Street 43, Rostov-na-Donu, 344019 Russia 5P.O. Box 7333, Rostov-na-Donu, 344056 Russia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).