Golden artefacts, resin figurines, body adhesives and tomb sediments from the pre-Columbian burial site El Caño (Gran Coclé, Panamá): tracing organic contents using molecular archaeometry - Publikacja - MOST Wiedzy

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Golden artefacts, resin figurines, body adhesives and tomb sediments from the pre-Columbian burial site El Caño (Gran Coclé, Panamá): tracing organic contents using molecular archaeometry

Abstrakt

This research aimed to determine the origin of organic residues from funerary contexts in the El Ca~no settlement (Gran Cocl�e area, Panam�a, Central America) by means of multiple molecular probing techniques (GC-MS of organic solvent extracts and pyrolysis-GC-MS, THM-GC-MS and FTIR of solid samples). The samples include particles of precious resin figurines, fillings of golden objects, tomb sediments, plant exudates from extant plants (reference collection) and other reference materials (amber). The labdane diterpene fingerprints (eperuic, isoozic, copalic and kolavenic acids and derivatives) of the resin figurines, a resinous bead and several other samples, suggest that they were composed primarily of Hymenaea resin. Besides traditional interpretation approaches (visual comparison of chromatograms and relative proportions data), we used a novel OpenChrom® application that resolves complex pyrolysis chromatograms by screening data from archaeological samples for marker products defined on the basis of a reference collection (ChromIdent). ChromIdent confirmed the Hymenaea origin of many samples and also Burseraceae resin was identified in some samples, which is present as a minor ingredient in resin figurines (indicative of mixing practices) and as the dominant resin in tomb sediment that had been in contact with the corpses (indicating balsaming practices). The degree of polymerization of the Hymenaea resin was higher than for extant resin but diagenetic alteration (especially condensation of cyclic moieties) was much smaller than for amber, implying that the manufacturers used resin (or copal), not amber. These results were confirmed by FTIR, which allowed identification of non-fossil Hymenaea resin as the main constituent of one of the resin figurines. Several golden object infillings contained wax derivatives, probably beeswax, accompanied by various types of plant resin, which may well indicate the use of meliponines’ cerumen for manufacturing (lost-wax casting). The findings highlight the potential of complementary molecular techniques to resolve questions on materials and manufacturing of archaeological artefacts, and the need for crosscomparison of molecular and ethnographic information in the study of archaeobotanical remains and the processes involved in their management.

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Autorzy (10)

  • Zdjęcie użytkownika  Joeri Kaal

    Joeri Kaal

    • Instituto de Ciencias del Patrimonio (Incipit), Consejo Superior de Investigaciones Científicas (CSIC), Santiago de Compostela, Spain
  • Zdjęcie użytkownika  María Martín Seijo

    María Martín Seijo

    • GEPN-AAT, Grupo de Estudos para a Prehistoria do Noroeste Ib�erico-Arqueoloxía, Antigüidade e Territorio (GI-1534), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
  • Zdjęcie użytkownika  César Oliveira

    César Oliveira

    • Departamento de Ciências e Técnicas do Património, Faculdade de Letras da Universidade do Porto, Porto, Portugal
  • Zdjęcie użytkownika  Victoria E. Mccoy

    Victoria E. Mccoy

    • Department of Geosciences, University of Wisconsin, Milwaukee, 3209 N Maryland Ave, Milwaukee, WI, 53211, USA
  • Zdjęcie użytkownika  Mónica M. Solórzano Kraemer

    Mónica M. Solórzano Kraemer

    • Forschungsinstitut und Naturmuseum Senckenberg, Senckenberganlage 25, 60325, Frankfurt am Main, Germany
  • Zdjęcie użytkownika  Alexander Kerner

    Alexander Kerner

    • Lablicate GmbH, Martin-Luther-King-Platz 6, 20146, Hamburg, Germany
  • Zdjęcie użytkownika  Philip Wenig

    Philip Wenig

    • Lablicate GmbH, Martin-Luther-King-Platz 6, 20146, Hamburg, Germany
  • Zdjęcie użytkownika  Carlos Mayo

    Carlos Mayo

    • Centro de Investigaciones Arqueológicas del Istmo, Fundación El Caño, APO 819-4446, El Dorado, Panamá, República de Panamá
  • Zdjęcie użytkownika  Julia Mayo

    Julia Mayo

    • Centro de Investigaciones Arqueológicas del Istmo, Fundación El Caño, APO 819-4446, El Dorado, Panamá, República de Panamá

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Journal of Archaeological Science nr 113,
ISSN: 0305-4403
Język:
angielski
Rok wydania:
2020
Opis bibliograficzny:
Kaal J., Martín Seijo M., Oliveira C., Wagner-Wysiecka E., Mccoy V. E., Solórzano Kraemer M. M., Kerner A., Wenig P., Mayo C., Mayo J.: Golden artefacts, resin figurines, body adhesives and tomb sediments from the pre-Columbian burial site El Caño (Gran Coclé, Panamá): tracing organic contents using molecular archaeometry// Journal of Archaeological Science -Vol. 113, (2020), s.105045-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.jas.2019.105045
Weryfikacja:
Politechnika Gdańska

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