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lanktonic foraminiferal biostratigraphy across the Eocene/Oligocene boundary in the North Adriatic Sea (CROSBI ID 606801)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Premec Fuček, Vlasta ; Hernitz Kučenjak, Morana lanktonic foraminiferal biostratigraphy across the Eocene/Oligocene boundary in the North Adriatic Sea // Strati 2013, 1st International Congress on Stratigraphy, Ciências da Terra, Volume Especial VII / Rocha, R., Pais, J., Kullberg, J. C., Castro, L., Caetano, P. & Legoinha, P. (ur.). Lisabon: Departamento de Ciências da Terra, Faculdade de Ciências e Tecnologia, 2013. str. 21-21

Podaci o odgovornosti

Premec Fuček, Vlasta ; Hernitz Kučenjak, Morana

engleski

lanktonic foraminiferal biostratigraphy across the Eocene/Oligocene boundary in the North Adriatic Sea

The upper Eocene and lower Oligocene sediments from Istra more-3 and Istra more-4 wells, located on the eastern edge of the Venetian Basin, consist of hemipelagic deposits of marls and silty marls. These sediments contain abundant and very well preserved planktonic foraminiferal assemblages. The standard planktonic foraminiferal zonation of Paleogene after WADE et al. (2011) has been applied. The Eocene/Oligocene boundary in the Adriatic Sea is clearly defined by the extinction of all hantkeninids, the Turborotalia cerroazulensis group, and the last globigerinathekids species Globigerinatheka tropicalis, indicating strong climate deterioration and global cooling. Significant changes in small size fractions (<125μm) across the Eocene/Oligocene boundary have been observed. This boundary is also characterized by abundant occurrence of Chiloguembelina ototara, Tenuitella (T. praegemma, T. gemma) and by the first appearance of the tiny species Cassigerinella chipolensis.

planktonic foraminifera; biostratigraphy; Eocene/Oligocene boundary; Adriatic Sea

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Podaci o prilogu

21-21.

2013.

objavljeno

Podaci o matičnoj publikaciji

Strati 2013, 1st International Congress on Stratigraphy, Ciências da Terra, Volume Especial VII

Rocha, R., Pais, J., Kullberg, J. C., Castro, L., Caetano, P. & Legoinha, P.

Lisabon: Departamento de Ciências da Terra, Faculdade de Ciências e Tecnologia

978-972-8893-09-5

Podaci o skupu

Strati 2013, 1st International Congress on Stratigraphy

poster

01.07.2013-07.07.2013

Lisabon, Portugal

Povezanost rada

Geologija