| Project/Area Number |
12680163
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Cultural property science
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| Research Institution | Archaeological Institute of Kashihara, Nara Prefecture |
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Principal Investigator |
IMAZU Setsuo Archaeological Institute of Kashihhara, Head of Conservation, 資料室・保存科学研究室長, 総括研究員 (50250379)
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| Co-Investigator(Kenkyū-buntansha) |
HONDA Mituko Beppu University Department of Literature Professor, 文学部, 教授 (60289642)
IMAI Ryo The University of Tokyo, graduate school Assistant, 大学院・理学系, 助手 (90223304)
MINAMI Takeshi Kinnki university, department of science and engineering, Assistant professor., 理工学部・生命科学科, 助教授 (00295784)
BUNNO Michiaki Industry and technology General Institute. geological features specimen pavilion Superintendent, 地質標本館, 館長 (80013754)
安田 博幸 奈良県立橿原考古学研究所, 資料室, 指導研究員
高橋 和也 理学研究所, 加速器基礎研究部・RI技術室, 先任研究員 (70221356)
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| Project Period (FY) |
2000 – 2001
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| Project Status |
Completed (Fiscal Year 2001)
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| Budget Amount *help |
¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 2001: ¥1,600,000 (Direct Cost: ¥1,600,000)
Fiscal Year 2000: ¥1,700,000 (Direct Cost: ¥1,700,000)
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| Keywords | Bronze mirror / Casting technology / Mirror of the same mold / Precise measurement / 水銀朱 / 古墳 / 微量元素 / ICP / イオウ同位体比 / 辰砂鉱石 / 前期古墳 |
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| Research Abstract |
Sampling and measurement
Collection of cinnabar from mines
The cinnabar ore of 678 samples were gifted from Geological Museum of Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology. Those ores were collected from almost of all Japanese mines in where a cinnabar was worked.
Collection of cinnabar from ruins
The ruins collecting the specimens were selected from old tomb of Royal family of Japan from the latter term of Yayoi era to Kofun era (A.D. 100 to 400).
Measurement Powdered cinnabar was weighed. Aqua regia was added to the specimen and dissolved it. Contents of trace elements in the specimen were measured by Inductively Coupled Plasma Atomic Absorption Spectrometry (ICP-AES) (ICPS-1000III, Shimadzu Co., Kyoto, Japan).
Results Comparison of the contents of trace elements in cinnabar ores collected in same mines. For observation whether the contents in cinnabar were similar levels in one mice or not, we measured the contents in cinnabar ores recorded the collecting place in same mines. As the results, similar levels of trace elements in cinnabar were observed in the ores collected in same mines.
Comparison of the contents of trace elements in cinnabar ores between mines
Ores from four major mines, Yamato mine (Nara Prefecture), Niu mine (Mie Prefecture), Sui mine (Tokushima Prefecture), and Itomuka mine (Hokkaido Prefecture), excavated cinnabar were measured for comparing the contents of trace elements in cinnabar.
As the results, there was difference the levels between the mines. It is thought that the difference depends on the components of ore.
Comparison of the contents of trace elements in cinnabar between ruins
When the contents in cinnabar collected from the ruins in Yamato area were measured, the cinnabars excavated either Yamato or Niu mines were used in the ruins. On the contrary, it is speculated that the cinnabar used in Wakasugi-Yama ruin in Tokushima was excavated from Sui mine.
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