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Topographical Landscapes and their Controlling Geological Factors in the Juwangsan National Park: Welding Facies and Columnar Joints  

Hwang, Sang-Koo (Department of Earth and Environmental Science, Andong National University)
Kim, Jae-Ho (Department of Earth and Environmental Science, Andong National University)
Publication Information
The Journal of the Petrological Society of Korea / v.18, no.3, 2009 , pp. 195-209 More about this Journal
Abstract
Juwangsan area($107.4km^2$) has been designated as the twelfth National Park in 1976, because it has magnificent aspect and seasonally spectacular landscapes. Juwang valley($9,177.5m^2$) has been designated as Noted Scenery No. 11 in 2003, because it has the same topographical landscape as rock domes, rock cliffs, caves, waterfalls and plunge pools. The most spectacular landscapes are exhibited in the densely welded zone of the Juwangsan Tuff. The rock cliffs generated from vertical joints in the densely welded zone, in which there are the same many rock cliffs as Geupsudae, Haksodae, Sinseondae, Mangwoldae, Giam and Byeongpungbawi, three caves such as Juwanggul, Mujanggul and Yeonhwagul in the cliff. The cliffs and caves are landscapes that were generated from vertical joints in the densely welded zone, and the rock domes and waterfalls are landscapes of erosional vertical joint planes in the zone. The vertical joints are columnar joints formed during cooling of the Juwangsan Tuff. Therefore the topographical features cause the cooling columnar joints that are vertically intersected in the densely welded zone of the Juwangsan Tuff.
Keywords
Juwangsan National Park; Topographical landscape; Juwangsan Tuff; Densely welded zone; Rock cliff; Columnar joint;
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Times Cited By KSCI : 6  (Citation Analysis)
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