Abstract
We interpreted the role and meaning of nine lead glass plates excavated from the Mireuksa Temple site in Iksan and investigated their materials. Glass plates were excavated from all areas of the site, especially around Geumdangji and the eastern pagoda. The lead glass was presumed to have been partially installed in the symbolic space of the temple. Quantitative analysis of the lead glass (ICP system) determined that PbO comprised 74.2 to 79.5% wt. of the glass (average 76.6% wt.), which was higher than that reported for the glass in prior studies (approximately 70% wt.). Regarding the correlation between lead isotope ratios and trace elements in the glass, the Baekje and Silla cultures showed clear distinctions, and the origin of other materials was confirmed for each culture. Therefore, a constant composition ratio was maintained when producing lead glass and procuring raw materials through various routes. The above results can provide data for understanding the technical systems regarding ancient glassy materials and reproducing them using future manufacturing technologies.
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