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Friday, December 13, 2013

Mt. Halla in Jeju

Mt. Hallasan is the central peak of the gently sloping shield volcano of Jeju Island. It is the highest mountain in South Korea, reaching 1,950 m above the sea level. Mt. Hallasan boasts peculiar volcanic landscape, produced by the crater lake Baeknokdam at the summit, the precipitous rocky cliffs of the Yeongsilgiam, and about 40 volcanic cones. Baeknokdam crater is exceptional in that the western half of that area is formed by trachyte lava, whereas the eastern half is made of basalt lava. It is assumed that the trachytic lava dome was produced first followed by the creation of the crater by basaltic volcanic activity. The mountain has been protected from human activity since 1970 and is renowned for its unique ecology and biodiversity in addition to volcanic geology and geomorphology.


http://english.jeju.go.kr/index.php/contents/Tour

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