| Project/Area Number |
17K18119
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Cultural assets study and museology
Archaeology
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| Research Institution | Teikyo University |
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Principal Investigator |
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| Project Period (FY) |
2017-04-01 – 2020-03-31
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| Project Status |
Completed (Fiscal Year 2019)
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| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | ヒ素銅 / 青銅 / 鉛同位体比 / コーカサス / 銅合金 / 流通 / 西アジア / 分析 / 南コーカサス |
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| Outline of Final Research Achievements |
Copper alloy objects from the early Bronze Age to the Iron Age in Georgia were investigated for alloy chemical composition and lead isotope ratio. As a result, the types of copper alloys detected are high-purity copper, arsenic copper, bronze, copper-tin-arsenic alloys, and copper-antimony alloys, and different alloy was designed depending on the type of objects. In addition, from the results of lead isotope ratio measurement, alloy type and amount of lead content, they can be classified into three, 1) arsenic copper materials from the early Bronze Age, 2) non-bronze materials from the Middle Bronze Age, and 3) bronze materials from the Middle Bronze Age. The first and second are locally produced. It is probable that bronze material or bronze products were imported because the provenance of the copper ore used in bronze is different from another groups.
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| Academic Significance and Societal Importance of the Research Achievements |
これまで銅合金の起源については考古学的研究により検証が行われてきた。本研究では、最初期の砒素銅合金がジョージア起源であること、青銅は外部よりもたらされたことが科学的データを元に客観的に示すことが出来た。当時の技術の発展と伝播を明らかにすることにより、金属加工技術史だけでなく、古代世界の成り立ちを考証する一助になり得る。現代社会に続く社会の成り立ちを明らかにすることは、今後のよりよい社会の創造に繋がると考えられる。
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