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Clay mineralogical properties, soil formation and classification for the limestone derived soil were discussed from the 4 soil series, Pyeongchang, Anmi, Yulgog, and Mungyeong, distributed over the area of Bangjeol-Ri, Yeongweol-Eup, Gangweon-Do. The results are as follows; 1. Kaolinite and Al-inter...

Clay mineralogical properties, soil formation and classification for the limestone derived soil were discussed from the 4 soil series, Pyeongchang, Anmi, Yulgog, and Mungyeong, distributed over the area of Bangjeol-Ri, Yeongweol-Eup, Gangweon-Do. The results are as follows; 1. Kaolinite and Al-interlayered vermiculite were the main clay minerals and other minerals were illite, vermiculite, and chlorite. 2. CEC of topsoil ranged from 10.5 to 22.9me/100g and that of sub-soil ranged from 10.0 to 23.8me/100g. CEC seemed to be increased with descending from topograpical position and had slightly significant positive correlation. 3. Lithologic changes as a runction of soil depth showed smooth change for Pyeongchang, discontinuity for Anmi, unpredictability for Yulgog, and uniformity for Mungyeong series. 4. According to the new system of soil taxanomy Pyeongchang series was classified as Typic Hapludalfs, Anmi as Fluventic Eutrochrepts, Yulgog as Fluvaquentic Eutrochrepts, and Mungyeong as Aeric Haplaquepts.