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Sr isotopic composition as a tool for unraveling human mobility in the Campania area
Archaeological and Anthropological Sciences ( IF 2.2 ) Pub Date : 2020-07-07 , DOI: 10.1007/s12520-020-01088-0
Ilenia Arienzo , Ilaria Rucco , Mauro Antonio Di Vito , Massimo D’Antonio , Mario Cesarano , Antonio Carandente , Flavio De Angelis , Marco Romboni , Olga Rickards

Recent strontium isotope (87Sr/86Sr) analyses of bones and teeth have provided useful archeological results for reconstructing past human migration and diet. We report 87Sr/86Sr ratios and DNA analyses of tooth enamel from individuals buried in some necropolises in Nola town, near Napoli (Campania, South Italy). These individuals lived in the period between the Avellino (1925 years BCE) and CE 472 Pollena Vesuvian eruptions and are dated on archeological basis to the time span between the sixth and second century BCE. Tooth enamel 87Sr/86Sr ratios (0.70788–0.70864) are higher than baseline values in the necropolises (0.70756–0.70792): this can be explained by assuming either that all the analyzed individuals are not local—an unlikely possibility—or that they ate both local and foreign food (within about 50 km), including 87Sr-rich seafood. An explanation for such a varied diet might be that the individuals from Nola were living near the Ancient Appia and Popilia ways and not far from the coastline. Whatever its origin, the 87Sr/86Sr ratios represent the isotopic signature of the local community living on the slopes of Mt. Somma-Vesuvius between the sixth and second centuries BCE. This knowledge will support future isotope studies on volcanic eruptions as possible causes of human migration.

中文翻译:

Sr同位素组成可作为揭示坎帕尼亚地区人类活动的工具

最近对骨骼和牙齿的锶同位素(87 Sr / 86 Sr)分析为重建过去的人类迁徙和饮食提供了有用的考古学结果。我们报道了那不勒斯(意大利南部坎帕尼亚)附近诺拉镇一些大墓地埋葬者的牙釉质的87 Sr / 86 Sr比值和DNA分析。这些人居住在阿韦利诺(Avellino)(公元前1925年)和CE 472花粉维苏威火山爆发之间,并且根据考古学的资料可以追溯到公元前六世纪至第二世纪。牙釉质87 Sr / 86Sr比率(0.70788–0.70864)高于大墓地的基线值(0.70756–0.70792):这可以通过假设所有被分析的人都不是本地人(可能性不大)或他们都吃本地和外国食物来解释(约50公里之内),包括87种富含Sr的海鲜。饮食如此多样化的一个解释可能是,诺拉的人们居住在古代阿皮亚波皮利亚的道路附近,而离海岸线不远。无论其起源是87 Sr / 86Sr比率代表居住在Mt斜坡上的当地社区的同位素特征。公元前六世纪至二世纪之间的索马维苏威火山。这些知识将支持未来有关火山喷发的同位素研究,而火山喷发是人类迁徙的可能原因。
更新日期:2020-07-07
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