Econ. Environ. Geol. 2012; 45(2): 157-167
Published online April 30, 2012
© THE KOREAN SOCIETY OF ECONOMIC AND ENVIRONMENTAL GEOLOGY
Production Characteristics and Post-depositional Influence of Iron Age Pottery from Chipyeongdong Site in Gwangju, Korea
Correspondence to : Sungyoon Jang
Abstract
This study aimed to interpret the provenance and firing temperature of pottery from Chipyeongdong site in Gwangju, Korea though mineralogical and geochemical methods and also investigated the post-depositional alteration of pottery in burial environments. It is also presumed that they were made of soils near the site because they have similar mineralogical composition and same geochemical evolution path. Based on the results of mineralogical analysis, the pottery samples are largely divided into 2 groups; 700oC to 1,000oC and 1,000 to 1,100oC. At some pottery fired at over 1,000oC, it is thought that the refinement of raw materials were processed to remove macrocrystalline fragments. However, it was found that phosphate in soil environments formed amorphous aggregates with Al and Fe within the pores and voids on pottery fired at the low temperature. It indicates the contamination of pottery after burial.
Keywords pottery, provenance, firing temperature, phosphate aggregate, post-depositional alteration
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Econ. Environ. Geol. 2012; 45(2): 157-167
Published online April 30, 2012
Copyright © THE KOREAN SOCIETY OF ECONOMIC AND ENVIRONMENTAL GEOLOGY.
Production Characteristics and Post-depositional Influence of Iron Age Pottery from Chipyeongdong Site in Gwangju, Korea
Sungyoon Jang1*, Eun Jung Moon2, Chan Hee Lee2 and Gi-Gil Lee3
1Restoration Technology Division, National Research Institute of Cultural Heritage, Daejeon, 305-380, Korea
2Department of Cultural Heritage Conservation Sciences, Kongju National University, Gongju, 314-701, Korea
3Department of History, Chosun University, Gwangju, 501-759, Korea
Correspondence to:
Sungyoon Jang
Abstract
This study aimed to interpret the provenance and firing temperature of pottery from Chipyeongdong site in Gwangju, Korea though mineralogical and geochemical methods and also investigated the post-depositional alteration of pottery in burial environments. It is also presumed that they were made of soils near the site because they have similar mineralogical composition and same geochemical evolution path. Based on the results of mineralogical analysis, the pottery samples are largely divided into 2 groups; 700oC to 1,000oC and 1,000 to 1,100oC. At some pottery fired at over 1,000oC, it is thought that the refinement of raw materials were processed to remove macrocrystalline fragments. However, it was found that phosphate in soil environments formed amorphous aggregates with Al and Fe within the pores and voids on pottery fired at the low temperature. It indicates the contamination of pottery after burial.
Keywords pottery, provenance, firing temperature, phosphate aggregate, post-depositional alteration
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