Inoceramid and foraminiferal record and biozonation of the Turonian and Coniacian (Upper Cretaceous) of the Mangyshlak Mts., western Kazakhstan

• Autorzy: Walaszczyk I. , Kopaevich L. F. , Beniamovski V. N.

Identyfikatory

DOI

10.2478/agp-2013-0020

• Języki publikacji: EN

Abstrakty

EN

The Turonian and Coniacian (Upper Cretaceous) of the Mangyshlak Mts., western Kazakhstan, yielded a rich and relatively complete inoceramid bivalve record. The faunas and their succession correspond to those known from central and eastern Europe, allowing the zonation established in the latter areas to be applied in a virtually identical form. The gaps in the record of the group in Mangyshlak stem from the regional hiatuses in the geological record in the area and do not reflect any biogeographical differences between eastern and central-western Europe. Planktonic foraminifera are rare. Four successive interval range zones can be distinguished: in ascending stratigraphic order, the Helvetoglobotrunaca helvetica, Marginotruncaca pseudolinneiana, Marginotruncana coronata, and Concavotruncana concavata zones. Their correlation with the inoceramid zonation and, consequently, with the chronostratigraphic scheme, is demonstrated. The zonation and chronostratigraphic subdivision as applied in Mangyshlak may easily be applied to other areas of the peri-Caspian region (Caucasus, Tuarkyr, Kopet-Dagh, SE margin of the East-European Craton).

Słowa kluczowe

EN

Cretaceous; Turonian; Coniacian; Mangyshlak; biostratigraphy; Inoceramid bivalves; Foraminifers; correlation; North European biogeographic Province

PL

kreda; turon; koniak; Mangystau; biostratygrafia; małże; otwornice; korelacja; Europa Północna; prowincja; biogeografia

• Wydawca: Faculty of Geology of the University of Warsaw ; Komitet Nauk Geologicznych PAN
• Czasopismo: Acta Geologica Polonica
• Rocznik: 2013
• Tom: Vol. 63, no. 4
• Strony: 469--487
• Opis fizyczny: Bibliogr. 93 poz., il., Tabl. 15

Twórcy

autor

Walaszczyk I.

• Faculty of Geology, University of Warsaw, Al. Żwirki i Wigury 93, PL-02-089 Warszawa, Poland

autor

Kopaevich L. F.

• Geological Faculty, Lomonosov Moscow State University, Leninskie gory, Moscow, 119991 Russia

autor

Beniamovski V. N.

• Geological Institute, Russian Academy of Sciences, Pyzhevski 7, Moscow, 119017, Russia

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