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Hydrothermal Alteration of Miryang Pyrophyllite Deposit
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 Title & Authors
Hydrothermal Alteration of Miryang Pyrophyllite Deposit
Moon, Dong Hyeok; Kwak, Kyeong Yoon; Lee, Bu Yeong; Koo, Hyo Jin; Cho, Hyen Goo;
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Hydrothermal alteration patterns and environment are studied by mineral assemblages and chemical analyses of surface and core samples from Miryang pyrophyllite deposit. The alteration zones of this deposit can be divided into three zones on the basis of mineral assemblage; advanced argillic, phyllic, and propylitic zone. Advanced argillic zone mainly consists of pyrophyllite-dickite (-quartz) and corresponds to principal mining ore. The common mineral assemblage of phyllic zone and propylitic zone are sericite-quartz-dickite and chlorite-quartz, respectively. Horizontal and vertical alteration patterns and major element geochemistry indicate that pyrophyllite ores have been formed several times by hydrothermal alteration. And it also suggests that the huge ore bodies may be extended from the deeper part of recent quarries to the south-southeastern direction. The paragenesis of ore minerals and polytype (2M) suggest that ore deposit was formed at about .
Miryang pyrophyllite deposit;Advanced argillic alteration zone;Pyrophyllite;Mineral assemblage;Hydrothermal alteration;
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휴대용 XRF와 변질지수를 이용한 강원도 풍촌층 석회암 지역 열수변질에 관한 연구,김성민;윤다은;조성준;강일모;박형동;

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