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Archaeological significance and chemical characterization of the obsidian source in Kirigamine, central Japan: Methodology for provenance analysis of obsidian artefacts using XRF and LA–ICP–MS
Journal of Archaeological Science ( IF 2.8 ) Pub Date : 2021-04-08 , DOI: 10.1016/j.jas.2021.105377
Yoshimitsu Suda , Tatsuro Adachi , Kazutaka Shimada , Yasuhito Osanai

The Kirigamine area is one of the major obsidian sources in the Chubu-kanto region of central Japan, and is regarded as an important archaeological study area for improving the understanding of historical changes in human–environment interactions related to obsidian procurement activities during the Upper Paleolithic. Previous studies have presented a model for the relationship between human activities and the paleoenvironment, but there is a need for further understanding based on data related to the sourcing of obsidian in the Kirigamine area. This study aimed to establish a method for provenance analysis of obsidian artefacts based on chemical compositions. The chemical compositions of 13 groups of obsidian sources in the Kirigamine area were determined by WDXRF and LA–ICP–MS analyses, and discrimination diagrams proposed. For verification purposes, provenance analyses of obsidian artefacts excavated at the Hiroppara prehistoric site were undertaken using these discrimination diagrams. We yielded the same results of provenance analysis among the WDXRF and LA–ICP–MS methods, and the discrimination methods described may be applied to further provenance analysis of obsidian artefacts using nondestructive EDXRF and pXRF, and micro-destructive LA–ICP–MS analyses.



中文翻译:

日本中部Kirigamine黑曜石来源的考古学意义和化学特征:使用XRF和LA–ICP–MS进行黑曜石人工物来源分析的方法

Kirigamine地区是日本中部中部关东地区的主要黑曜石产地之一,被视为重要的考古研究区域,可增进人们对旧石器时代上段黑曜石采购活动相关的人与环境相互作用的历史变化的认识。先前的研究已经提出了人类活动与古环境之间关系的模型,但是有必要根据基里加明地区黑曜石的来源相关数据进一步了解。这项研究旨在建立一种基于化学成分的黑曜石制品物源分析的方法。通过WDXRF和LA-ICP-MS分析确定了Kirigamine地区13个黑曜石来源的化学成分,并提出了鉴别图。为了进行验证,使用这些区分图对在Hiroppara史前遗址发掘的黑曜石文物进行了物证分析。我们在WDXRF和LA–ICP–MS方法中获得了相同的来源分析结果,并且所描述的鉴别方法可用于使用非破坏性EDXRF和pXRF以及黑破坏性LA–ICP–MS分析进一步对黑曜石制品进行来源分析。 。

更新日期:2021-04-08
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