広島県下の古代の製鉄原料と製錬技術に関する試論 : カナクロ谷遺跡出土製鉄関連遺物の調査から
広島大学大学院文学研究科考古学研究室紀要 Issue 10
Page 87-94
published_at 2018-12-30
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この文献の参照には次のURLをご利用ください : https://doi.org/10.15027/47466
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Title ( jpn ) |
広島県下の古代の製鉄原料と製錬技術に関する試論 : カナクロ谷遺跡出土製鉄関連遺物の調査から
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Title ( eng ) |
A Short Essay on Ancient Raw Metal for Iron-making and the Refining Method in the Hiroshima Prefecture
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Creator |
Suzuki Mizuho
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Source Title |
広島大学大学院文学研究科考古学研究室紀要
Hiroshima University bulletin of the Department of Archaeology
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Issue | 10 |
Start Page | 87 |
End Page | 94 |
Abstract |
Smelting slag with a high level of manganese oxide (MnO) has been confirmed in the Kanakuro-tani site in Sera-chō, Sera-gun, Hiroshima Prefecture. It is observed that components, such as FeO-SiO2-MaO, of these slags are concentrated in a low melting zone (lower than 1300°C) when plotted on a phase diagram. MnO seems to have played the role of fluxing material to stabilize the operation of iron-making furnaces.
The two mineral specimens were MnO minerals without any iron content. Therefore it is presumed that they were discarded during the concentration process as they did not have any iron content. Four iron slag specimens were investigated concerning their content. One of them had 2% MnO and in three of them, there was less than 1% MnO. Besides, all of them contained 1~3% Titania. These results indicate that both iron ore and iron sand were used as iron-making materials at the Kanakuro-tani site. |
Language |
jpn
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Resource Type | departmental bulletin paper |
Publisher |
広島大学大学院文学研究科考古学研究室
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Date of Issued | 2018-12-30 |
Publish Type | Version of Record |
Access Rights | open access |
Source Identifier |
[NCID] AA12733456
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