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http://dx.doi.org/10.9727/jmsk.2016.29.3.123

Study on Mineralogical Characteristics and Firing Condition of the 4-6th Century Earthenware Excavated from the Seonggok-ri, Cheongdo-gun, Gyeongsangbuk-do  

Woo, Hyeon Dong (Department of Geology, Kyungpook National University)
Kim, Ok Soon (Gyeongsangbukdo Institute of Cultural Properties)
Jang, Yun Deuk (Department of Geology, Kyungpook National University)
Publication Information
Journal of the Mineralogical Society of Korea / v.29, no.3, 2016 , pp. 123-129 More about this Journal
Abstract
This study is conducted to estimate the firing temperature and condition of the 4-6th Century earthenwares excavated from the ancient tombs in the Seonggok-ri, Cheongdo through mineralogical approaches, and to contrast to the characteristics of the earthenware from the Changnyeong the adjacent area to the Cheongdo. The Cheongdo earthenware was mainly composed of quartz, pores and vitric matrix with minor parts of feldspars, felsic volcanic fragments and opaque minerals, of which quartz crystals frequently show embayed texture and pores was partly filled with amorphous quartz. Mullite, hematite and cristobalite were found by XRD spectrometer additionally, and in the SEM image the Mullite contents are evenly distributed from the central part to the marginal part. As a result, the firing temperature of the Cheongdo earthenware could be 1,100 to $1,200^{\circ}C$, which is higher than that of the Changnyeong. Distribution characteristics of mullite in the Cheongdo and the Changnyeong earthenware indicate that the Cheongdo earthenware was under the longer firing time or more homogeneous thermal condition in the kiln than the Changnyeong.
Keywords
earthenware; firing temperature; firing condition;
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Times Cited By KSCI : 3  (Citation Analysis)
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