Reservoirs and Radiocarbon
14 C Dating Problems in Mývatnssveit, Northern Iceland
Dados Bibliográficos
| ID | 9243196 |
|---|---|
| Autores | Philippa L Ascough, Gordon Cook (0000-0002-7206-6266), Mike J Church (0000-0001-7908-7812), Andrew J Dugmore, Thomas H Mcgovern, Elaine Dunbar (0000-0001-5183-5583), Árni Einarsson, Adolf Frioriksson, Hildur Gestsdóttir (0000-0002-8382-5985) |
| Ano | 2007 |
| Volume | 49 |
| Fascículo | 2 |
| Páginas | 947-961 |
| Data de publicação | 2007-01-01 |
| Peer Reviewed | Sim |
| Open Access | Sim |
| Tipo | ARTICLE |
| Periódico | Radiocarbon (JOURNAL) |
| Identificadores do periódico | ISSN: 0033-8222 • E-ISSN: 1945-5755 |
| Editora | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1017/s0033822200042818 |
| OpenAlex | W2166316498 |
| Idioma | EN |
| Citações recebidas | 36 |
| Referências citadas | 63 |
This paper examines 2 potential sources of the radiocarbon offset between human and terrestrial mammal (horse) bones recovered from Norse (∼AD 870–1000) pagan graves in Mývatnssveit, north Iceland. These are the marine and freshwater 14 C reservoir effects that may be incorporated into human bones from dietary sources. The size of the marine 14 C reservoir effect (MRE) during the Norse period was investigated by measurement of multiple paired samples (terrestrial mammal and marine mollusk shell) at 2 archaeological sites in Mývatnssveit and 1 site on the north Icelandic coast. These produced 3 new δR values for the north coast of Iceland, indicating a δR of 106 ± 10 14 C yr at AD 868–985, and of 144 ± 28 14 C yr at AD 1280–1400. These values are statistically comparable and give an overall weighted mean δR of 111 ± 10 14 C yr. The freshwater reservoir effect was similarly quantified using freshwater fish bones from a site in Mývatnssveit. These show an offset of between 1285 and 1830 14 C yr, where the fish are depleted in 14 C relative to the terrestrial mammals. This is attributed to the input of geothermally derived CO 2 into the groundwater and subsequently into Lake Mývatn. We conclude the following: i) some of the Norse inhabitants of Mývatnssveit incorporated non-terrestrial resources into their diet that may be identified from the stable isotope composition of their bone collagen; ii) the MRE off the north Icelandic coast during the Norse period fits a spatial gradient of wider North Atlantic MRE values with increasing values to the northwest; and iii) it is important to consider the effect that geothermal activity could have on the 14 C activity of samples influenced by groundwater at Icelandic archaeological sites
Accelerator mass spectrometry · Archaeology · Biology · Geography · Icelandic · Isotope analysis · Isotopes of carbon · Mammal · Radiocarbon dating · Total organic carbon · Archaeology and ancient environmental studies · Geology and Paleoclimatology Research · Isotope Analysis in Ecology · Ecology · Geology · Oceanography · Paleontology
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| Obras citantes distintas | 36 |
|---|---|
| Citações por ano | 2,12 |
| Intervalo de citações | 2009 - 2025 (17) |
| Velocidade de citação | recent |
| Altamente citado | Não |
| Tipos de citação | Neutras: 36 |