Compound-Specific Radiocarbon, Stable Carbon Isotope and Biomarker Analysis of Mixed Marine/Terrestrial Lipids Preserved in Archaeological Pottery Vessels
Bibliographic Data
| ID | 9242968 |
|---|---|
| Authors | Emmanuelle Casanova (0000-0003-1417-3060), Timothy D J Knowles (0000-0003-4871-5542), Candice Ford, Lucy J E Cramp, Niall Sharples, R P Evershed (0000-0002-9483-2750) |
| Year | 2020 |
| Volume | 62 |
| Issue | 6 |
| Pages | 1679-1697 |
| Publication date | 2020-12-01 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Radiocarbon (JOURNAL) |
| Journal identifiers | ISSN: 0033-8222 • E-ISSN: 1945-5755 |
| Publisher | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1017/rdc.2020.11 |
| OpenAlex | W3010647718 |
| Language | EN |
| Citations received | 14 |
| References cited | 37 |
At archaeological sites located on islands or near the coast, the potential exists for lipid extracts of potsherds to contain fatty acids (FA) from both aquatic and terrestrial organisms, meaning that consideration must be given to marine reservoir effects (MRE) in radiocarbon ( 14 C) analyses. Here we studied the site of Bornais (Outer Hebrides, UK) where a local MRE, ΔR of –65 ± 45 yr was determined through the paired 14 C determinations of terrestrial and marine faunal bones. Lipid analysis of 49 potsherds, revealed aquatic biomarkers in 45% of the vessels, and δ 13 C values of C 16:0 and C 18:0 FAs revealed ruminant and marine product mixing for 71% of the vessels. Compound-specific 14 C analysis (CSRA) of FAs yielded intermediate 14 C ages between those of terrestrial and marine bones from the same contexts, confirming an MRE existed. A database containing δ 13 C values for FAs from reference terrestrial and marine organisms provided endmembers for calculating the percentage marine-derived C ( % marine ) in FAs. We show that lipid 14 C dates can be corrected using determined % marine and ΔR values, such that pottery vessels from coastal locations can be 14 C dated by CSRA of FAs
Archaeology · Biology · Geography · Isotope analysis · Isotopes of carbon · Pottery · Radiocarbon dating · Total organic carbon · Archaeology and ancient environmental studies · Isotope Analysis in Ecology · Pacific and Southeast Asian Studies · Ecology · Geology · Oceanography · Paleontology
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| Citations per year | 2.8 |
|---|---|
| Citation span | 2021 - 2026 (6) |
| Highly cited | No |