THE OLIGOCENE/MIOCENE BOUNDAR Y IN THE EQUATORIAL ATLANTIC DSDP SITE 354. RESULTS OF STUDIES ON PLANKTIC FORAMINIFERA AND CALCAREOUS NANNOFOSSILS
DOI:
https://doi.org/10.54103/2039-4942/20164Parole chiave:
Biostratigraphy; planktic Foraminifera; calcareous nannofossils; Oligocene/Miocene boundary; Equatorial Atlantic.Abstract
A first order correlation between planktic foraminiferal and calcareous nannofossil events o( DSDP Site 354 in the Equatorial Atlantic is presented. Within the 323 m thick, discontinuously cored section, 30 sarnples have been studied. In the Oligocene-Miocene sedirnents 57 different species of planktic Foraminifera and 51 species of calcarcous nannofossils have been identified, and 6 foraminiferal zones and 7 nannofossil zones recognized. Besides the generally used biostratigraphic markers, some additional calcareous nannofossil events are considered for a further subdivision of the interval studied.
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2023-05-18
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«THE OLIGOCENE/MIOCENE BOUNDAR Y IN THE EQUATORIAL ATLANTIC DSDP SITE 354. RESULTS OF STUDIES ON PLANKTIC FORAMINIFERA AND CALCAREOUS NANNOFOSSILS » (2023) Rivista italiana di Paleontologia e Stratigrafia, 88(1). doi:10.54103/2039-4942/20164.
