The multivariate statistical analysis and XRD analysis of pottery at Xigongqiao site |
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| Authors: | Jiping Zhu Jie Shan Ping Qiu Ying Qin Changsui Wang Deliang He Bo Sun Peihua Tong Shuangcheng Wu |
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| Institution: | a Department of Scientific History and Archaeometry, University of Science and Technology of China (USTC), Structure Research Laboratory, Hefei, Anhui 230026, China;b Cultural Relics and Archaeological Research Institute of Shandong Province, Jinan 250012, China |
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| Abstract: | A series of pottery samples excavated from the Xigongqiao site in Tengzhou city of Shandong province was determined using inductively coupled plasma atomic emission spectrometry. Together with excavation data and archaeological analysis, the potential for provenance and technology of unearthed ancient pottery was studied by using multivariate statistical analysis and X-ray powder diffraction pattern (XRD) analysis. In order to characterize and classify these earthenware samples, the major and minor/trace element concentrations were studied with both cluster analysis and principal component analysis. The results showed that there were three different groups in cluster analysis dendrogram in good correlation with their colors. This indicated that the potteries were made from clays of different composition. These results were in agreement with the results of principal component analysis. XRD analysis further assessed the validity of multivariate statistical analysis. |
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| Keywords: | Xigongqiao site Provenance of ancient pottery Inductively coupled plasma atomic emission spectrometry Multivariate statistical analysis X-ray powder diffraction pattern |
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