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http://dx.doi.org/10.7854/JPSK.2011.20.3.151

Volcanic Geomorphology of Gonaengisool-oreum, Bonggae-dong, Jeju  

Lee, Jeong-Hyun (National Institute of Meteorological Research, Korea Meteorological Administration)
Yun, Sung-Hyo (Department of Earth Science Education, Pusan National University)
Publication Information
The Journal of the Petrological Society of Korea / v.20, no.3, 2011 , pp. 151-159 More about this Journal
Abstract
The geology of the Gonaengisool-oreum, Bonggae-dong, Jeju consists of Yeongpyeong-dong basalt, Shinan-dong basalt, Bonggae-dong basalt and cinder in ascending order. Yeongpyeong-dong and Shinan-dong basalt is situated at the mid-mountain slope in southern part of the Gonaengisool-oreum, and Bonggae-dong basalt is located at the Gonaengisool-oreum area and nortgbern low foot of the mountain. Bonggae-dong basalt is aa lava flows with thick clinker. The Gonaengisool-oreum is isolated small volcano, that is, a lava shield having wide crater in the summit with several small pit craters. The average basal elevation of the Gonaengisool-oreum cone is 297.5 m(highest 300 m and lowest 295 m), and the highest summit is 304.5 m, average cone basal width is 597.5 m and cone height is 7.9 m, and mean slope of $1.5^{\circ}$ for the flank of the shield cone.
Keywords
Gonaengisool-oreum; Monogenetic volcano; Morphology; Pit crater; Lava shield;
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