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Age constraints for the Trachilos footprints from Crete.

Kirscher, U., El Atfy, H., Gärtner, A., Dallanave, E., Munz, P., Niedźwiedzki, G., Athanassiou, A., Fassoulas, C., Linnemann, U., Hofmann, M., Bennett, M., Ahlberg, P.E. and Böhme, M., 2021. Age constraints for the Trachilos footprints from Crete. Scientific Reports, 11 (1), -.

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41598_2021_Article_98618.pdf - Published Version
Available under License Creative Commons Attribution.


DOI: 10.1038/s41598-021-98618-0


We present an updated time frame for the 30 m thick late Miocene sedimentary Trachilos section from the island of Crete that contains the potentially oldest hominin footprints. The section is characterized by normal magnetic polarity. New and published foraminifera biostratigraphy results suggest an age of the section within the Mediterranean biozone MMi13d, younger than ~ 6.4 Ma. Calcareous nannoplankton data from sediments exposed near Trachilos and belonging to the same sub-basin indicate deposition during calcareous nannofossil biozone CN9bB, between 6.023 and 6.727 Ma. By integrating the magneto- and biostratigraphic data we correlate the Trachilos section with normal polarity Chron C3An.1n, between 6.272 and 6.023 Ma. Using cyclostratigraphic data based on magnetic susceptibility, we constrain the Trachilos footprints age at ~ 6.05 Ma, roughly 0.35 Ma older than previously thought. Some uncertainty remains related to an inaccessible interval of ~ 8 m section and the possibility that the normal polarity might represent the slightly older Chron C3An.2n. Sediment accumulation rate and biostratigraphic arguments, however, stand against these points and favor a deposition during Chron C3An.1n.

Item Type:Article
Uncontrolled Keywords:Palaeomagnetism, Geochemistry, Palaeontology
Group:Faculty of Science & Technology
ID Code:36116
Deposited By: Symplectic RT2
Deposited On:18 Oct 2021 15:21
Last Modified:14 Mar 2022 14:29


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