函館工業高等専門学校紀要
Online ISSN : 2424-1962
Print ISSN : 0286-5491
ISSN-L : 0286-5491
論文
柳之御所遺跡の出土遺物に付着した金の産地推測と統計分析
山本 けい子寺門 修竹内 孝中村 和之広瀬 義朗八重樫 忠郎瀬川 拓郎
著者情報
研究報告書・技術報告書 フリー

2018 年 52 巻 p. 105-110

詳細
抄録

Based on the hypothesis that Hokkaido gold dust was contained in the enormous amount of gold that supported the wealth of the Oshu-Fujiwara clan, we analyzed gold dusts which were obtained from relics excavated in Yanagi-no-Gosho Site in Hiraizumi.In this research, we conducted the analysis using statistical methods such as data similarity, principal component analysis(PCA) and support vector machine(SVM). The target data are elemental analysis data sets of gold on relics excavated from Hiraizumi and they are compared to data sets of gold dust picked in Hokkaido and Tohoku region.Through these statistical analysis, we concluded that the gold on relics excavated from Hiraizumi was closer to the elemental constituents of gold dust picked in Iwate Prefecture. About this Hiraizumi sample, we were not able to estimate that its gold might have been brought from Hokkaido. However, we are thinking that these statistical approaches are useful methods to clarify facts of the trade between the Oshu-Fujiwara clan and indigenous people in Hokkaido.

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© 2018 National Institute of Technology, Hakodate College
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