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  Pecten as a new substrate for IcPD dating: The quaternary raised beaches in the Gulf of Corinth, Greece

Pierini, F., Demarchi, B., Turner, J., & Penkman, K. (2016). Pecten as a new substrate for IcPD dating: The quaternary raised beaches in the Gulf of Corinth, Greece. Quaternary Geochronology. doi:10.1016/j.quageo.2015.10.006.

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Pierini_et_al_2015.pdf (Preprint), 2MB
 
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Pierini, Federica1, 2, Autor           
Demarchi, Beatrice, Autor
Turner, Jenni, Autor
Penkman, Kirsty, Autor
Affiliations:
1Emmy Noether Research Group Evolutionary Immunogenomics, Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_2068286              
2Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, August-Thienemann-Str. 2, 24306 Plön, DE, ou_1445634              

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Schlagwörter: Intra-crystalline proteins; Pecten (scallop) shell; amino acid racemization (AAR); dating; 41 raised beaches; Mediterranean
 Zusammenfassung: Intra-crystalline protein diagenesis (IcPD), a recent development of amino acid racemization dating (AAR), is now established as a reliable geochronological tool for the Quaternary. However, extending the method to new biominerals requires extensive testing in order to provide evidence for the closed-system behaviour of the intra-crystalline proteins and to assess the temporal span that can be covered.Here we present results from high-temperature experiments on the IcPD of the bivalve Pecten, demonstrating that a fraction of proteins can be isolated from a bleach-resistant mineral matrix, which effectively operates as a closed system under conditions of accelerated diagenesis in the laboratory. Analyses of Pecten from the well-dated terrace system of the Gulf of Corinth (Greece) provided a pilot test for the integrity of the intra-crystalline fraction in subfossil shells. The small sample sizes in this preliminary study preclude a full assessment of the aminostratigraphic power of Pecten IcPD, but a concordance is observed between the extent of IcPD and sites dating from between MIS 5 and MIS 11.We conclude that Pecten is a potentially good substrate for IcPD dating in the Mediterranean, and that the temporal limit of the technique in this area lies beyond MIS 11. © 2015 Published by Elsevier B.V.

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Sprache(n): eng - English
 Datum: 2015-10-162015-06-092015-10-252015-10-312016-02
 Publikationsstatus: Erschienen
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 Identifikatoren: DOI: 10.1016/j.quageo.2015.10.006
BibTex Citekey: Pierini201640
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Titel: Quaternary Geochronology
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Elsevier
Seiten: 27 S. Band / Heft: - Artikelnummer: - Start- / Endseite: - Identifikator: ISSN: 1871-1014
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000238470

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Titel: Quaternary Geochronology
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Elsevier
Seiten: - Band / Heft: 31 Artikelnummer: - Start- / Endseite: 40 - 52 Identifikator: ISSN: 1871-1014
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000238470