Articles with "calcareous nannofossil" as a keyword



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The Danian sediments and the K/Pg boundary determination using calcareous nannofossil from Sulaimani area, Kurdistan Region/Iraq

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Published in 2020 at "Carbonates and Evaporites"

DOI: 10.1007/s13146-020-00609-1

Abstract: The nature of the Cretaceous–Paleogene (K/Pg) boundary in the Kurdistan region of northeastern Iraq is still under debate. Most studies have considered the Danian sediments to be mostly missing. Another hypothesis suggests that a conglomerate… read more here.

Keywords: calcareous nannofossil; sulaimani area; iraq; kurdistan region ... See more keywords
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Palynology and calcareous nannofossil biostratigraphy of the Turonian – Coniacian boundary: The proposed boundary stratotype at Salzgitter-Salder, Germany and its correlation in NW Europe

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Published in 2021 at "Cretaceous Research"

DOI: 10.1016/j.cretres.2021.104782

Abstract: Abstract New palynological and calcareous nannofossil records are presented for the Turonian–Coniacian boundary section at Salzgitter-Salder, Germany, the candidate Coniacian GSSP. The proposed base of the Coniacian Stage is the base of Bed 46, the… read more here.

Keywords: salzgitter salder; turonian coniacian; coniacian boundary; palynology ... See more keywords
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Calcareous nannofossil fluxes and size fluctuations in the middle Eocene (48–39 Ma) from Ocean Drilling Program (ODP) Site 1209 in the tropical Pacific Ocean

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Published in 2018 at "Palaeogeography, Palaeoclimatology, Palaeoecology"

DOI: 10.1016/j.palaeo.2017.11.003

Abstract: Abstract Pelagic carbonates constitute the majority of the ocean sediments, particularly since the Jurassic, and record climatic and oceanic changes. Cenozoic sediments record glacial and interglacial periods, as well as thermal maxima, such as the… read more here.

Keywords: calcareous nannofossil; site; nannofossil fluxes; ocean drilling ... See more keywords
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Sarmatian calcareous nannofossil assemblages in the SW Paratethyan marginal marine environments: Implications for palaeoceanography and the palaeoclimate

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Published in 2017 at "Progress in Oceanography"

DOI: 10.1016/j.pocean.2017.05.011

Abstract: Abstract The middle Miocene marly sediments in the southwestern Paratethys (Central Europe) have been studied for calcareous nannofossil assemblages. Palaeoecological and palaeogeographic parameters, based on siliceous microfossils (diatom and silicoflagellate), are emended into the palaeoecological… read more here.

Keywords: calcareous nannofossil; marine; nannofossil assemblages; sarmatian calcareous ... See more keywords