Radiocarbon ages and last occurrences of Globorotalia menardii flexuosa and Globoquadrina hexagona in Atlantic sediment cores
Barash, Max S;Kuptsov, Vladimir M;Os'kina, Natalia S
Description
Ranges of Globorotalia menardii menardii, Gr. menardii flexuosa and Globoquadrina hexagona at time of climatostratigraphic intervals representing oxygen-isotope stages 5-1 are determined by study of dozens of Late Quaternary sediment cores involving constructing paleotemperature curves from planktic foraminifera and oxygen isotope curves for their shells, as well as radiocarbon dating. Gr. menardii flexuosa and Gq. hexagona disappeared about 27-25 ky ago from the subtropical and tropical Atlantic and about 18 ky ago from the equatorial area.
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Metrics Over Time
Publication Details
Subfield
Atmospheric Science
Field
Earth and Planetary Sciences
Domain
Physical Sciences
Confidence Score
40%
Source
Scholar Data Model
Keywords
Event labelDepth, top/minDepth, bottom/maxAge, datedAge, dated, standard deviationLast occurrenceGravity corerGrabMultiple investigationsDrilling/drill rigAge, 14C benzol synthesisCalculatedCounting, foraminiferaAKU3AKU6ML7ML10ML12Akademik KurchatovMikhail LomonosovArchive of Ocean Data (ARCOD)