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- W791342940 abstract "제주도 무문토기의 연구는 제주도의 청동기 시대 및 초기 철기시대 토기의 성격을 밝혀주는 중요한 의미를 갖는다. 본 연구에서는 제주도에서 발굴된 무문토기들을 대상으로, X-선 형광 분석법 및 X-선 회절 분석법을 이용하여 화학적 조성을 분석하고, Mossbauer분광법을 이용하여 토기에 함유된 광물과 산화철의 종류, 원자가 상태 및 자기적 성질을 분석하였다. 제주도 무문토기에는 SiO<TEX>$_2$</TEX>와 같은 규산염 광물이 주성분을 이루고 있으며, 비결정질 ferrihydrite함량은 약 5~10 wt% 이하이고, 제주도 무문토기들은 중성 화산암에서 부분적으 로 생성된 제주도 찰흙으로 만들어졌다고 여겨진다. 또한 제주도 무문토기편에 존재하는 철의 원자가 상태는 Fe<TEX>$^{2+}$</TEX>와 Fe<TEX>$^{3+}$</TEX> 임을 알 수 있고, 초미세 자기장 값이 순수 goethite값보다 작게 나타나는 것은 찰흙을 빚어 만든 토기를 가열할 때 그 결정구조가 변화되어 Fe이온들의 결합상태가 달라졌기 때문이라고 추정된다. The studies of non-figure plain coarse pottery from Jeju island is very important because it can explain the characters of plain coarse potteries of the bronze age and the early iron age. In this study, We analyzed the non-figure plain coarse popery from Jeju island in two ways. One is analysis of the chemical composition using X-ray fluorescence spectrometer and X-ray diffraction, the other is analysts of clay mineral contained iron, oxidized iron's genus, valence state and magnetic properties using Mossbauer spectroscopy. We confidence that non-figure plain coarse pottery is chiefly made of silicate minerals, like SiO<TEX>$_2$</TEX>. The content of noncrystalline ferrihydrite is supposed to be below 5-10 wt%, non-figure plain coarse pottery is considered to partly consist of Jeju island clay, which is made of neutral volcanic rock and the valence state of iron is Fe<TEX>$^$</TEX>2+/ and Fe<TEX>$^$</TEX>3+/. We presume the reason that the magnetic hyperfine field is lower than that of pure goethite is the change of crystal structure which transforms the combination states of Fe ions while the clay is being fired." @default.
- W791342940 created "2016-06-24" @default.
- W791342940 date "2002-02-01" @default.
- W791342940 modified "2023-10-14" @default.
- W791342940 title "Mössbauer Spectroscopic Study of Non-figure Plain Coarse Pottery from Jeju Island" @default.
- W791342940 doi "https://doi.org/10.4283/jkms.2002.12.1.007" @default.
- W791342940 hasPublicationYear "2002" @default.
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