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Food and Soot: Organic Residues On Outer Pottery Surfaces

Dimitri Teetaert UGent, Mathieu Boudin, Steven Saverwyns and Philippe Crombé UGent (2017) RADIOCARBON .
abstract
Organic residues preserved on the outer surfaces of archaeological pottery are commonly considered to be soot and, not being subject to reservoir effects, as more reliable for radiocarbon (14C) dating compared to food crusts from the inner surface. However, unlike food crusts, outer surface residues are never analyzed prior to 14C dating. This study confronts 14C dates on inner and outer surface residues preserved on prehistoric pottery from Bazel Sluis (Belgium) with the results of stable isotope analysis and thermally assisted hydrolysis and methylation pyrolysis-gas chromatography-mass spectrometry (THM-GC-MS). These analyses clearly show that food residue is also present on the outer pottery surface, causing a possible reservoir effect on 14C dates. At Bazel, 14C dates on both the inner and outer surface residues are too old compared to dates obtained on associated animal bone. In addition, the outer surface residues systematically date younger than the inner food crusts, a discrepancy that is also known from other archaeological sites. It is suggested that these age differences are due to the mixed presence of soot and food residue on the exterior vessel wall as opposed to more homogeneous food crusts on the internal surface.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
in press
subject
keyword
prehistoric pottery, radiocarbon dating, organic residue analysis, soot, food crusts
journal title
RADIOCARBON
publisher
Cambridge University Press (CUP)
conference name
8th Radiocarbon & Archaeology Symposium
conference location
Edinburgh
conference start
2017-06-27
conference end
2017-07-01
ISSN
0033-8222
1945-5755
DOI
10.1017/rdc.2017.25
project
The roles of demic diffusion and/or local adoption in the transitions toward agropastoral Neolithic lifeways in the sandy lowland of Belgium
language
English
UGent publication?
yes
classification
A1
copyright statement
I don't know the status of the copyright for this publication
id
8521432
handle
http://hdl.handle.net/1854/LU-8521432
alternative location
https://www.cambridge.org/core/journals/radiocarbon/article/food-and-soot-organic-residues-on-outer-pottery-surfaces/73384AA5787FB6A62382187AA2CDC4FE
date created
2017-05-29 07:26:15
date last changed
2017-06-16 12:59:59
@article{8521432,
  abstract     = {Organic residues preserved on the outer surfaces of archaeological pottery are commonly considered to be soot and, not being subject to reservoir effects, as more reliable for radiocarbon (14C) dating compared to food crusts from the inner surface. However, unlike food crusts, outer surface residues are never analyzed prior to 14C dating. This study confronts 14C dates on inner and outer surface residues preserved on prehistoric pottery from Bazel Sluis (Belgium) with the results of stable isotope analysis and thermally assisted hydrolysis and methylation pyrolysis-gas chromatography-mass spectrometry (THM-GC-MS). These analyses clearly show that food residue is also present on the outer pottery surface, causing a possible reservoir effect on 14C dates. At Bazel, 14C dates on both the inner and outer surface residues are too old compared to dates obtained on associated animal bone. In addition, the outer surface residues systematically date younger than the inner food crusts, a discrepancy that is also known from other archaeological sites. It is suggested that these age differences are due to the mixed presence of soot and food residue on the exterior vessel wall as opposed to more homogeneous food crusts on the internal surface.},
  author       = {Teetaert, Dimitri and Boudin, Mathieu and Saverwyns, Steven and Cromb{\'e}, Philippe},
  issn         = {0033-8222},
  journal      = {RADIOCARBON                            },
  keyword      = {prehistoric pottery,radiocarbon dating,organic residue analysis,soot,food crusts},
  language     = {eng},
  location     = {Edinburgh},
  publisher    = {Cambridge University Press (CUP)},
  title        = {Food and Soot: Organic Residues On Outer Pottery Surfaces},
  url          = {http://dx.doi.org/10.1017/rdc.2017.25},
  year         = {2017},
}

Chicago
Teetaert, Dimitri, Mathieu Boudin, Steven Saverwyns, and Philippe Crombé. 2017. “Food and Soot: Organic Residues On Outer Pottery Surfaces.” Radiocarbon  .
APA
Teetaert, D., Boudin, M., Saverwyns, S., & Crombé, P. (2017). Food and Soot: Organic Residues On Outer Pottery Surfaces. RADIOCARBON  . Presented at the 8th Radiocarbon & Archaeology Symposium.
Vancouver
1.
Teetaert D, Boudin M, Saverwyns S, Crombé P. Food and Soot: Organic Residues On Outer Pottery Surfaces. RADIOCARBON  . Cambridge University Press (CUP); 2017;
MLA
Teetaert, Dimitri, Mathieu Boudin, Steven Saverwyns, et al. “Food and Soot: Organic Residues On Outer Pottery Surfaces.” RADIOCARBON  (2017): n. pag. Print.