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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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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-1E77-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-08B4-7
Genre: Journal Article

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 Creators:
Pierini, Federica1, 2, Author              
Demarchi, Beatrice, Author
Turner, Jenni, Author
Penkman, Kirsty, Author
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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Free keywords: Intra-crystalline proteins; Pecten (scallop) shell; amino acid racemization (AAR); dating; 41 raised beaches; Mediterranean
 Abstract: 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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Language(s): eng - English
 Dates: 2015-10-162015-06-092015-10-252015-10-312016-02
 Publication Status: Published in print
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 Identifiers: DOI: 10.1016/j.quageo.2015.10.006
BibTex Citekey: Pierini201640
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Title: Quaternary Geochronology
Source Genre: Journal
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Publ. Info: Elsevier
Pages: 27 S. Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISSN: 1871-1014
CoNE: /journals/resource/1000000000238470

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Title: Quaternary Geochronology
Source Genre: Journal
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Publ. Info: Elsevier
Pages: 13 S. Volume / Issue: 31 Sequence Number: - Start / End Page: 40 - 52 Identifier: ISSN: 1871-1014
CoNE: /journals/resource/1000000000238470