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Fish reservoir effect on charred food residue C-14 dates: are stable isotope analyses the solution?

(2010) RADIOCARBON. 52(2 (Sp. Iss. 1)). p.697-705
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Abstract
In order to verify the relative dating based on pot type morphology and decoration of the Swifterbant pottery collected at the Final Mesolithic site of Doel "Deurganckdok" (Belgium) and of the Late Iron Age pottery excavated at Grijpskerke (the Netherlands), direct radiocarbon dates were obtained on charred food residue preserved on the inner surface of numerous potsherds. In addition, a number of indirect C-14 dates were obtained from samples of organic material. In the case of Doe, the results indicate an important incompatibility between the charred food residue dates and the other dates, the former being systematically older. This difference may be explained by a reservoir effect of the charred food residue, caused by the processing of (freshwater) fish. The C-14 dates for the Grijpskerke site are in agreement between the charred food residue and the organic material. The stable isotopes of the charred food residue were analyzed to demonstrate fish processing in the pottery, but the results were inconclusive.
Keywords
EXTRACTION, PRODUCTS, ORGANIC RESIDUES, COOKING RESIDUES, PREHISTORIC POTTERY, FRESH-WATER RESERVOIR

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Citation

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Chicago
Boudin, Mathieu, Mark Van Strydonck, Philippe Crombé, Wim De Clercq, Robert Van Dierendonck, Hans Jongepier, Anton Ervynck, and An Lentacker. 2010. “Fish Reservoir Effect on Charred Food Residue C-14 Dates: Are Stable Isotope Analyses the Solution?” Radiocarbon 52 (2 (Sp. Iss. 1)): 697–705.
APA
Boudin, M., Van Strydonck, M., Crombé, P., De Clercq, W., Van Dierendonck, R., Jongepier, H., Ervynck, A., et al. (2010). Fish reservoir effect on charred food residue C-14 dates: are stable isotope analyses the solution? RADIOCARBON, 52(2 (Sp. Iss. 1)), 697–705. Presented at the 20th International Radiocarbon Conference.
Vancouver
1.
Boudin M, Van Strydonck M, Crombé P, De Clercq W, Van Dierendonck R, Jongepier H, et al. Fish reservoir effect on charred food residue C-14 dates: are stable isotope analyses the solution? RADIOCARBON. 2010;52(2 (Sp. Iss. 1)):697–705.
MLA
Boudin, Mathieu, Mark Van Strydonck, Philippe Crombé, et al. “Fish Reservoir Effect on Charred Food Residue C-14 Dates: Are Stable Isotope Analyses the Solution?” RADIOCARBON 52.2 (Sp. Iss. 1) (2010): 697–705. Print.
@article{1053085,
  abstract     = {In order to verify the relative dating based on pot type morphology and decoration of the Swifterbant pottery collected at the Final Mesolithic site of Doel {\textacutedbl}Deurganckdok{\textacutedbl} (Belgium) and of the Late Iron Age pottery excavated at Grijpskerke (the Netherlands), direct radiocarbon dates were obtained on charred food residue preserved on the inner surface of numerous potsherds. In addition, a number of indirect C-14 dates were obtained from samples of organic material. In the case of Doe, the results indicate an important incompatibility between the charred food residue dates and the other dates, the former being systematically older. This difference may be explained by a reservoir effect of the charred food residue, caused by the processing of (freshwater) fish. The C-14 dates for the Grijpskerke site are in agreement between the charred food residue and the organic material. The stable isotopes of the charred food residue were analyzed to demonstrate fish processing in the pottery, but the results were inconclusive.},
  author       = {Boudin, Mathieu and Van Strydonck, Mark  and Cromb{\'e}, Philippe and De Clercq, Wim and Van Dierendonck, Robert and Jongepier, Hans  and Ervynck, Anton and Lentacker, An},
  issn         = {0033-8222},
  journal      = {RADIOCARBON},
  keyword      = {EXTRACTION,PRODUCTS,ORGANIC RESIDUES,COOKING RESIDUES,PREHISTORIC POTTERY,FRESH-WATER RESERVOIR},
  language     = {eng},
  location     = {Big Island, HI, USA},
  number       = {2 (Sp. Iss. 1)},
  pages        = {697--705},
  title        = {Fish reservoir effect on charred food residue C-14 dates: are stable isotope analyses the solution?},
  volume       = {52},
  year         = {2010},
}

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