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http://dx.doi.org/10.4283/JKMS.2003.13.6.226

MÖssbauer Spectrum of Lava in Jeju Island  

Hong, Sung-Rak (제주대학교 물리학과)
Ko, Jeong-Dae (제주대학교 물리학과)
Choi, Won-Jun (제주대학교 물리학과)
Abstract
In this study, we analyzed the volcanic rock and scoria samples taken from special sites of Jeju island in two ways at the room temperature. One is the analysis of the chemical composition using X-ray fluorescence spectrometer, the other is the analysis of minerals in the samples, oxidized iron's genus, valence state and magnetic properties using X-ray diffractometry and Mossbauer spectroscopy. We believe that the volcanic rock and scoria samples are chiefly made of silicate minerals, like SiO$_2$, and they also have olivine, pyroxene, ilmenite, hematite and magnetite. The major Fe fractions of the volcanic rock samples are 2+ charge state and those of the scoria samples are 3+ charge state.
Keywords
XRD; XRF; Mossbauer volcanic rock; scoria; XRD; XRF; Mossbauer;
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