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Provenancing wood used in the Norse Greenlandic settlements: A biogeochemical study using hydrogen, oxygen, and strontium isotopes
Journal of Archaeological Science ( IF 2.6 ) Pub Date : 2021-05-31 , DOI: 10.1016/j.jas.2021.105407
Élie Pinta , Sofía I. Pacheco-Forés , Euan P. Wallace , Kelly J. Knudson

A growing number of studies strive to examine wooden archaeological remains recovered from Norse sites in the North Atlantic, contributing to a better understanding of patterns in both wood exploitation and woodland management. Despite the limited diversity and abundance of trees in the North Atlantic islands, the Medieval Norse kept using wood in most everyday activities including the construction and repair of buildings and boats, the production of artifacts and tools, and as a source of fuel. The proximity of the Greenland settlements with the northeastern American coast, puts them at the forefront in the exploration and exploitation of remote resource regions. While some species may have arrived both as driftwood or imported material, there is currently no method to conclusively identify archaeological wood remains as driftwood. Here, we use biogeochemical analysis of stable hydrogen (δ2H), stable oxygen (δ18O), and radiogenic strontium (87Sr/86Sr) isotopes in soil, water, and modern plant samples from various sites in Greenland and Canada to characterize expected local isotopic baselines. While 87Sr/86Sr isotope ratios do not provide a clear distinction between the regions of interest, δ2H and δ18O ratios appear to help discriminate not only between regions but also specific sites. In addition, we completed a pilot study of archaeological wood samples obtained in Greenland to test the effectiveness of the 87Sr/86Sr biogeochemical baseline. Results demonstrate that at least in some cases, diagenetic processes were not sufficient to mask a non-local 87Sr/86Sr signature.



中文翻译:

北欧格陵兰定居点中使用的木材来源:使用氢、氧和锶同位素的生物地球化学研究

越来越多的研究致力于检查从北大西洋北欧遗址中发现的木制考古遗迹,有助于更好地了解木材开采和林地管理的模式。尽管北大西洋岛屿上树木的多样性和数量有限,但中世纪的北欧人在大多数日常活动中仍然使用木材,包括建造和修理建筑物和船只、生产文物和工具,以及作为燃料来源。格陵兰定居点靠近美国东北部海岸,使他们处于偏远资源区勘探和开发的前沿。虽然有些物种可能是作为浮木或进口材料到达的,但目前还没有方法可以最终确定考古木遗骸为浮木。这里,格陵兰和加拿大不同地点的土壤、水和现代植物样本中的δ 2 H)、稳定氧 ( δ 18 O) 和放射性锶 ( 87 Sr/ 86 Sr) 同位素,以表征预期的当地同位素基线。虽然87 Sr/ 86 Sr 同位素比率不能明确区分感兴趣的区域,但δ 2 H 和δ 18 O 比率似乎有助于区分区域和特定位点。此外,我们完成了对格陵兰考古木材样品的试点研究,以测试87 Sr/ 86Sr 生物地球化学基线。结果表明,至少在某些情况下,成岩过程不足以掩盖非局部87 Sr/ 86 Sr 特征。

更新日期:2021-05-31
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