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THE NEKSELØ FISH WEIR AND MARINE RESERVOIR EFFECT IN NEOLITHIZATION PERIOD DENMARK
Radiocarbon ( IF 2.0 ) Pub Date : 2021-03-23 , DOI: 10.1017/rdc.2021.14
Anders Fischer , Jesper Olsen

The Nekselø Wickerwork provides an unusually solid estimate on the marine reservoir age in the Holocene. The basis for this result is a 5200-year-old fish weir, built of hazel wood with a brief biological age of its own. Oysters settled on this construction. They had lived only for a short number of years when the fence capsized and was covered in mud and the mollusks suffocated. Based on the difference in radiocarbon (14C) age between accelerator mass spectrometry (AMS) samples of oyster shells and wood, respectively, the marine reservoir age for this site is estimated to 273 ± 18 14C years. Re-evaluations of previously produced data from geological and archaeological sites of Holocene date in the Danish archipelago indicate marine reservoir ages in the same order as that of the Wickerwork. Consequently, we recommend the use of the new value, rather than the ca. 400 14C years hitherto favored, when correcting for the dietary induced reservoir effect in radiocarbon dates of humans and animals from the Late Mesolithic and Early Neolithic periods of this region.

中文翻译:

丹麦新石化时期的 NEKSELØ 鱼堰和海洋水库效应

Nekselø Wickerwork 对全新世的海洋储层年龄提供了异常可靠的估计。这一结果的基础是一座有 5200 年历史的鱼堰,由榛木建造,其生物年龄很短。牡蛎定居在这个建筑上。当栅栏倾覆并被泥土覆盖,软体动物窒息时,他们只活了短短几年。基于放射性碳的差异(14C) 牡蛎壳和木材的加速器质谱 (AMS) 样品之间的年龄,该地点的海洋储层年龄估计为 273 ± 1814C 年。对丹麦群岛全新世地质和考古遗址先前产生的数据的重新评估表明,海洋水库的年龄与柳条工地的年龄相同。因此,我们建议使用新值,而不是 ca。40014迄今为止,在校正该地区中石器时代晚期和新石器时代早期人类和动物的放射性碳年代的饮食诱导的储层效应时,C 年是有利的。
更新日期:2021-03-23
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