Defining the Upper Nisyros Pumice (57.1 ± 1.5 ka) as new tephra isochrone for 
linking early MIS-3 palaeoenvironmental records in the Aegean-Black Sea 
gateway: New evidence from the Sea of Marmara

Wulf, Sabine; Çağatay, M. Namık; Appelt, Oona; Eriş, K. Kadir; Henry, Pierre

doi:10.1016/j.quascirev.2021.107285

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Defining the Upper Nisyros Pumice (57.1 ± 1.5 ka) as new tephra isochrone for linking early MIS-3 palaeoenvironmental records in the Aegean-Black Sea gateway: New evidence from the Sea of Marmara

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Wulf, Sabine
External Organizations;

Çağatay, M. Namık
External Organizations;

/persons/resource/appelt

Appelt, Oona
3.6 Chemistry and Physics of Earth Materials, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Eriş, K. Kadir
External Organizations;

Henry, Pierre
External Organizations;

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Zitation

Wulf, S., Çağatay, M. N., Appelt, O., Eriş, K. K., Henry, P. (2021): Defining the Upper Nisyros Pumice (57.1 ± 1.5 ka) as new tephra isochrone for linking early MIS-3 palaeoenvironmental records in the Aegean-Black Sea gateway: New evidence from the Sea of Marmara. - Quaternary Science Reviews, 274, 107285.
https://doi.org/10.1016/j.quascirev.2021.107285

Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5009638

Zusammenfassung

The rhyolitic Upper Nisyros Pumice (UNP) from the Kos-Yali-Nisyros volcanic system has been detected as a cryptotephra layer in lacustrine sediments from the Sea of Marmara (SoM). A new independent age of the UNP eruption at 57.1 ± 1.5 cal ka BP has been interpolated using a combination of radiocarbon dating, tephrochronology and wiggle-matching of the SoM proxy record (Ca-curves) with Greenland oxygen isotope data, therewith confirming recently published radioisotopic dates of UNP land deposits. The UNP tephra in the SoM was identified by comparisons of the SoM tephra glass chemical dataset with published data of other marine tephra records from the Aegean Sea and the Megali Limni lacustrine sediment sequence (Lesvos Island). The stratigraphic position of the UNP tephra in these records verified its deposition in the SoM at the onset of MIS-3 and specifically at the termination of Greenland Interstadial GI-16. The new findings define the UNP tephra as a valuable time marker for the synchronisation of palaeoenvironmental data for this time period and help spurring the establishment of a robust tephrostratigraphical framework for the last ∼70 kyr in the Aegean-Black Sea region.