Genealogy and Distribution of the Variety of SUE Ceramics in the Ryukyu Archipelago

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Major findings of this research project are as follows :(1)We found that the Variety of SUE Ceramics could be excavated from the 350 sites ranging from Satsuma Peninsula in Kagoshima prefecture to Hateruma and Yonaguni Islands in the Ryukyu Archipelago.(2)In order to investigate the genealogy of the Variety of SUE Ceramics, we collected information and materials about the Ceramics from Korean Korai period, which had been considered to have similar characteristics to the Variety of SUE Ceramics. We were, however, unable to compare the materials we have collected with the Variety of SUE Ceramics at the present stage without enough evidence to go on.(3)We conducted experimental research for Kamuiyaki Kiln Sites in Tokunoshima Island, which were considered to produce the Variety of SUE Ceramics. The devices of the experimentation included the Kiln sites probe with physical science technology, such as geomagnetism and electronics, and the X-ray Fluorescence Analysis for the ware soil of the Variety of SUE Ceramics. We also collected the Variety of SUE Ceramics material from each branch site for further analysis. We came to our conclusion that the materials (the Variety of SUE Ceramics) collected from Kamuiyaki Kiln Sites could be divided into two groups depending on the techniques used for production and the composition patterns of their forms.