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Foraminiferal Assemblages in the Cenomanian of the Buzet-Savudrija Area (Northwestern Istria, Croatia)

I. Velić
I. Vlahović


Puni tekst: engleski pdf 13.722 Kb

str. 25-43

preuzimanja: 1.235

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Sažetak

In the Cenomanian shallow-water carbonates of Northwestern Istria five biostratigraphic zones have been established:

CEN-1 Ovalveolina maccagnoae and Sellialveolina viallii biozone in the early Lower Cenomanian;

CEN-2 O. maccagnoae to Chrysalidina gradata interval zone in the late Lower Cenomanian;

CEN-3 C. gradata biozone in the early Middle Cenomanian, locally subdivided into two subzones:

CEN-3a C. gradata and orbitolinids (lower part)

CEN-3b C. gradata without orbitolinids (upper part);

CEN-4 C. gradata and Broeckina (P.) balcanica biozone in the late Middle Cenomanian, and

CEN-5 C. gradata, B. (P.) balcanica and Vidalina radoicicae biozone in the Upper Cenomanian.

Ključne riječi

Cenomanian; Benthic foraminiferal assemblages; Biostratigraphical zonation; NW Istria; Croatia

Hrčak ID:

19569

URI

https://hrcak.srce.hr/19569

Datum izdavanja:

16.6.1994.

Posjeta: 1.719 *