Early Paleogene planktic foraminifera in thin-sections – an experiment on isolated specimens from the Fore-Magura Thrust Sheet (Polish Outer Carpathians)
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چکیده
منابع مشابه
Cretaceous to Paleogene agglutinated foraminifera of the Bile Karpaty unit (West Carpathians, Czech Republic)
Assemblages of agglutinated foraminifers ranging from the Aptian to the lower Eocene were studied in the Bile Karpaty unit. One hundred ninety species (43 of them undetermined) were studied taxonomically. The *species Glomospira s traniki and ~ u r r i t e l l e l l a reversa are 'new. Several species of the abyssal "Krashenimikov" fauna (Buzasina inflata, Haplophragmoides decussatus, H . perex...
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A series of recent papers has called for multiple radiocarbon dates on planktic foraminifera to assess stratigraphic continuity in deep-sea sediment cores. This recommendation comes from observations of anomalous 14C dates in planktic foraminifera from the same stratigraphic level. Potential reasons include bioturbation, downslope transport, secondary calcification, carbonate dissolution, and d...
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Article history: Here a new analytical me Received 14 December 2007 Received in revised form 7 April 2008 Accepted 10 April 2008 Available online 24 April 2008 Editor: H. Elderfield
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Laboratory experiments conducted on the multichambered planktic foraminifera Globigerinoides sacculifer are used to determine the effect of symbiont photosynthesis on shell carbon and oxygen isotopic composition. Stable isotope analyses of individual chambers secreted under controlled temperature and light levels show that chamber jl3C values increase with increasing light levels. The effect of...
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ژورنال
عنوان ژورنال: Geological Quarterly
سال: 2017
ISSN: 1641-7291
DOI: 10.7306/gq.1363