Abstract
This study identified the nature of objects through physical and chemical analysis of 28 whiteware pieces such as White porcelain, Gapbal, and Dochim excavated in Gwangju Usan-ri 4 and 9 and 14 material soil collected from Usan-ri 9, Gwangju. And confirmed material correlation between whiteware and whiteware-material soil. In the case of white porcelain, it was divided into four groups(W1∼4) according to the color and monochromaticity of the body, and two (M1-2) groups according to the Mullite peak intensity. Regardless of the kiln site, all of the high-middle-low quality white pocelain were identified, and and there was no significant difference in the overall composition. As a result of partic le size analysis, most of the material soil was c omposed of fine sand, silt, and clay. In particular, in the case of clay material soil, the main component and discriminant analysis results showed similar tendency to white porcelain pieces. Therefore, it was estimated that the white porcelain excavated in Usan-ri 9, Gwangju was manufactured using material soil collected from the adjacent klin site and the production techniques of Usan-ri No. 4 and No. 9 were similar, but there were some differences in materials.
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