Calcareous Nannofossil
Calcareous nannofossil biostratigraphy of an outcrop section of Aptian sediments of west-central Portugal (Lusitanian Basin)
... Bown, P.R., Rutledge, D., Crux, J.A. & Gallagher, L.T. 1998. Lower Cretaceous. In: Bown, P.R. (Ed.), Calcareous nannofossil biostratigra- phy, 86–131. Chapman & Hall/Kluwer Academic Publishers, ...
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Stable isotope and calcareous nannofossil assemblage record of the late Paleocene and early Eocene (Cicogna section)
... nofossil assemblages across an 81 m thick section of up- per Paleocene–lower Eocene marine sedimentary rocks now exposed along the Cicogna Stream in northeast Italy. The studied stratigraphic section represents sediment ...
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Calcareous nannofossil and calpionellid biostratigraphy of the upper Jurassic-lower Cretaceous in northwest Anatolia, Turkey
... the calcareous nannofossil associations investigated in this study are recorded from a rapidly subsiding trough showing a fining-upward pelagic carbonate succession composed o f olistostroms and ...
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Calcareous Nannofossil Biostratigraphy and Stage Boundaries of the Santonian Eocene Successions in Wadi El Mizeira Northeastern Sinai, Egypt
... The term Esna Shale was first introduced by [35]. In the study area the Esna Formation (24 m thick) overlies the Upper Cretaceous Sudr Chalk and underlies the Lower Eocene Thebes Formation. At Wadi El Mizeira, the Esna ...
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Calcareous nannofossil assemblages of the Late Cretaceous Fiqa Formation, north Oman
... The calcareous nannofossil assemblages from the Late Cre- taceous Aruma Basin are well-preserved, abundant and di- verse, allowing for a detailed and improved taxonomic de- scription of some poorly ...
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Integrated uppermost Campanian–Maastrichtian calcareous nannofossil and foraminiferal biostratigraphic zonation of the northwestern margin of Australia
... slides. Nannofossil slides were examined at 1250 magnifi- cation using a Zeiss Photomicroscope III cross-polarizing microscope, and taxa were recorded ...the calcareous nannofossil and foraminiferal ...
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Planktonic Foraminifera and Calcareous Nannofossil Biostratigraphy Through the Middle to Late Eocene Transition at Wadi Hitan, Fayum Province, Egypt
... There are problems in positioning the first occurrences of two calcareous nannofossil index taxa, C. oamaruensis and I. recurvus. At OdP Site 748 in the Southern indian Ocean (Kerguelen Plateau), Villa et ...
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Calcareous nannofossil, ostracode and foraminifera biostratigraphy of Plio-Pleistocene deposits, Rhodes (Greece), with a correlation to the Vrica section (Italy)
... clay. Calcareous nannofossil biostratigraphy shows that the age of the marine sequence is Early ...the calcareous nannofossil ...As calcareous nannofossil events are thought to ...
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Unusual twin specimens of Nannoconus abundans (Calcareous Nannofossil, Incertae Sedis)
... Unusual twin specimens of Nannoconus abundans (Calcareous Nannofossil, Incertae Sedis).. BRIGITTA VAN NIEL.[r] ...
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New Calcareous Nannofossil taxa from the Jurassic
... A species of Biscutum possessing 2 distal shield cycles a (broad outer cycle and a narrow inner cycle) and a small central area spanned by a cross structure do[r] ...
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Reappraisal of three calcareous nannofossil species: Coccolithus crassus, Toweius magnicrassus, and Toweius callosus
... differs from the latter in that it has a prominent cycle of elements around the centre of the distal shield and virtually the entire placolith appears to be birefringent und[r] ...
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Reconstruction of Paleoceanography Significance in the Western Pacific and Atlantic Oceans during the Neogene Based on Calcareous Nannofossil Productivity and Size Variations, Related to the Global Tectonic Events
... We investigated the calcareous nannofossils in the western Pacific and Bahama Bank of Caribbean Sea to reconstruct the paleoceanography and correlate with the global events. The absolute ab- undant of coccolith ...
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Calcareous nannofossil applications in the study of cyclic sediments of the Cenomanian
... in nannofossil abundances are recorded at this level o f ...Different nannofossil species were not encountered, but differing proportions o f the same species were ...
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Calcareous nannofossil assemblage changes from early to middle Eocene in the Levant margin of the Tethys, central Israel
... way calcareous nannofossils interacted with the ocean–atmosphere ...of nannofossil communities at the Eocene/Oligocene boundary (Dunkley Jones et ...
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Biostratigraphic Study of the Calcareous Nannofossils of Well 02, Shallow Offshore, Niger Delta, Nigeria
... Calcareous nannofossils recovery from this study is fairly abundant, diversified and moderately preserved (Fig. 2, Plates 1 and 2).One hundred and twelve samples from 6000 - 11000 ft of well 02 have been analysed ...
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Early Paleogene variations in the calcite compensation depth: new constraints using old borehole sediments from across Ninetyeast Ridge, central Indian Ocean
... Figure 7. Early Paleogene sequences at DSDP Site 213. Biostratigraphy and lithology have been modified from the DSDP Leg 22 volume (von der Borch and Sclater, 1974). Core photos are sourced from the online database ...
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Biostratigraphy and Paleoecological Study of Pabdeh Formation in Interior Fars, Zagros Basin, Iran
... spans nannofossil Zones NP14- NP23 (Middle Eocene to Early Oligocene) which corresponds to a long term cooling trend that occurred after the Early Eocene [39] ...water nannofossil species during the Middle ...
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Calcareous plankton bio-chronostratigraphy of the Maltese Lower Globigerina Limestone member
... of calcareous nannofossil assemblages was applied to two sections on Gozo Island (Reqqa Point and Wardija Point) and five sections on Malta Is- land (Qammieh, Fomm Ir-Rih, Il Blata, Wied id Dis and Huttaf ...
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High resolution integrated microbiostratigraphy of the Lower Jurassic (late Pliensbachian-early (Toarcian) of central Italy
... ABSTRACT ~ The integrated use of calcareous nannofossil and dinoflagellate cyst events in a study of the late Pliensbachian-early Toarcian interval in central Italy has yielded [r] ...
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Late Cretaceous (late Campanian–Maastrichtian) sea-surface temperature record of the Boreal Chalk Sea
... Abstract. The last 8 Myr of the Cretaceous greenhouse inter- val were characterized by a progressive global cooling with superimposed cool/warm fluctuations. The mechanisms re- sponsible for these climatic fluctuations ...
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