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This study interpreted the characteristics of the site and provenance of raw material by performing material characteristics analysis of the slags and tuyeres excavated from the Sinpung site in Wanju, Jeollabuk-do. The major chemical compositions suggested that the slags and tuyeres were created when Cu-Sn-Pb was alloyed. Metal microscope and scanning electron microscopy-energy dispersive spectrometer analyses revealed that the slags and tuyeres were by-products formed in the alloying process. This alloy, created by adding galena to copper and tin ingots, was an intermediary material used in making the finished products. According to the lead isotope ratio analysis result, slags could be made using galena of the southern Zone III region of Korea. Based on the decomposition of mica group minerals and the formation of mullite detected through X-ray diffraction analysis, it is possible to conclude that the tuyeres operated at approximately 1,000°C as, the mullite was detected on the outside of the tuyeres.

bojon gwahag hoeji/bojon gwahak hoeji

The Study on Material Characteristics of the By-Products of the Production of Bronze during the Goryeo Dynasty Excavated from the Sinpung Site, Wanju, Jeollabuk-do, South Korea