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http://dx.doi.org/10.12654/JCS.2015.31.2.08

Archaeological Scientific Characteristics of Patternless Pottery with Talc Temper: Baekseokdong Gojaemigol Site in Cheonan, Korea  

Kim, Su Kyoung (Conservation Science Division, National Research Institute of Cultural Heritage)
Lee, Chan Hee (Department of Cultural Heritage Conservation Sciences, Kongju National University)
Publication Information
Journal of Conservation Science / v.31, no.2, 2015 , pp. 159-173 More about this Journal
Abstract
The patternless potteries excavated from the Baekseokdong Gojaemigol site in Cheonan, was subdivided into talc and non-talc (including amphibole) type pottery. The potteries showed black, reddish brown and yellowish brown colors, but represent to difference with occurrences and internal texture of raw materials and temper minerals. The all potteries and paleosoils are commonly high content of temper minerals with poorly sorting and roundness of particles, and the paleosoils composed mainly of quartz, plagioclase, mica, chlorite and kaolinite. Between the talc and non-talc type potteries are very similar with magnetic susceptibility, absorption ratio and specific gravity. Geochemical behaviors of major, minor, compatible and incompatible elements in talc pottery are very similar with amphibole, non-talc pottery and paleosoils, and well correspondence with enrichment and deficiency patterns of each element, and the talc and amphibole potteries are highly enriched patterns of MgO concentration. In paleosoils of Gojaemigol site, talc and amphibole are not detected, therefore, making the pottery of the site estimate the possible to artificial additions of the temper minerals of talc and amphibole used interbedded talc layer within gneiss complex near the Baekseokdong area. Based on the phase relations, differential thermal and thermal gravimetric analyses, the potteries could be classified into two groups by firing temperature. The one group of talc temper pottery fired from 800 to $870^{\circ}C$ and the other group of amphibole and non-talc temper pottery revealed of 900 to $950^{\circ}C$.
Keywords
Baekseokdong; Gojaemigol site; Pottery; Talc type; Non-talc type; Firing temperature; Raw materials;
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Times Cited By KSCI : 5  (Citation Analysis)
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