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A Study on the Muscovite-Pyrophyllite Mixed Phase in the Shale from the Manhang Formation, Taebaek Area
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 Title & Authors
A Study on the Muscovite-Pyrophyllite Mixed Phase in the Shale from the Manhang Formation, Taebaek Area
Choi, Seung-Hyun; Mun, Hyang-Ran; Lee, Young-Boo; Lee, Jung-Hoo;
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 Abstract
Mica-type phyllosilicate particles in the shales of the Manhang formation at the Taeback area in the Kangwon Province were studied using electron probe microanalysis (EPMA) and transmission electron microscopy (TEM). The average chemical formula of the mica-type phyllosilicate mineral analysed by EPMA is . Low K contents compared to the ideal chemistry of muscovite indicate the presence of illite in the mica-type phyllosilicate particle. X-ray diffraction study showed that pyrophyllite commonly coexists with muscovite in the shales from the Manhang Formation. TEM observations showed both the interlayer and intralayer mixing of pyrophyllite and muscovite layers. The low K content of the mica-type phyllosilicates apparently come from the close mixing of pyrophyllite and muscovite.
 Keywords
Muscovite;pyrophyllite;EPMA;TEM;lattice fringe image;illite;
 Language
Korean
 Cited by
1.
문경지역 사동층, 고방산층 셰일에 대한 광물학적 연구,최승현;문향란;이영부;이정후;김영미;

한국광물학회지, 2012. vol.25. 1, pp.1-8 crossref(new window)
2.
화학조성으로 다시 보는 일라이트-백운모, 파이로필라이트 및 녹니석의 혼합상: 강원도 삼척시 석개재에 분포하는 직운산층 셰일에 대한 EPMA 정량분석,최승현;문향란;이영부;이정후;

한국광물학회지, 2012. vol.25. 3, pp.143-153 crossref(new window)
3.
일라이트-백운모 전이과정과 십자석 생성과의 관계: 부여지역 백운사층 셰일에 대한 연구,최승현;문향란;이영부;이정후;유장호;

한국광물학회지, 2013. vol.26. 1, pp.55-64 crossref(new window)
1.
Illite, Reviewed on the Chemical Compositions - The Mixed Phase among Muscovite, Pyrophyllite and Chlorite: EPMA Quantitative Analysis of Shale from the Jigunsan Formation at Seokgaejae in Samchuk-City, Gangwon-do, Journal of the Mineralogical Society of Korea, 2012, 25, 3, 143  crossref(new windwow)
2.
Generation of the Staurolite Based on a Relation Between Illite-Muscovite Transition: A Study on the Shale of the Baekunsa Formation, Buyeo, Journal of the Mineralogical Society of Korea, 2013, 26, 1, 55  crossref(new windwow)
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