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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.4, 1996³â, pp.115-130
ÀûȲ»öÅäÈ­µÈ È­°­¾ÏÁú dzȭÀÜÀûÅäÀÇ È­ÇÐÀû dzȭƯ¼º¿¡ °üÇÑ ¿¬±¸
( A Study on the Chemical Weathering Characteristics of the Weathered Granite Residual Soils prone to Laterization )
Á¤µÎ¿µ;À̱¤ÁØ; Á¤È¸¿ø, ÀüºÏ´ëÇб³ ¸í¿¹±³¼ö;Á¤È¸¿ø, ÀüºÏ»ê¾÷´ëÇб³ Åä¸ñ°øÇаú;
 
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Laterite ¶Ç´Â laterite¼ºÅäÀÇ Á¤ÀÇ´Â ¿­´ë.¾Æ¿­´ëÀÇ ±âÈÄÁ¶°Ç¿¡¼­ ³íÀÇ µÇ¾ú°í ±× dzȭ ÁöÇ¥ ´Â È­ÇÐÀû Á¶¼º¿¡ ÀÇÇØ Ç¥½ÃÇϰí ÀÖ´Ù. ¿­´ë.½ÀÀ±¿Â³­Áö¿ªÀÇ ÀûȲ»öÅäÈ­ÇÑ È­°­¾ÏÁú dzȭÀÜÀûÅä´Â È­ÇÐÀû Á¶¼º¿¡¼­ laterite¼ºÅä¿Í °°Àº Á¤ÀÇÀÇ ÁöÇ¥·Î¼­´Â Àüü¼ººÐ¿¡ ´ëÇÑ $(A1_2O_3+Fe_2O_3)$ÀÇ ºñ°¡ 0.2~0.5¸¦ ³ªÅ¸³½´Ù. º» ¿¬±¸¿¡¼­ÀÇ ÀüÁÖ¾ÆÁßÁö¿ªÀÇ È­ÇÐÀû ºñ´Â0.28Á¤µµ, È«¼º ¹× ´ëõÀÇ ¼­ÇØ¿¬¾ÈÁö¿ªÀº 0.33Á¤µµÀÌ´Ù. ºñlateriteÄ¡ È­ÇÐÀû ºñ´Â 0.2¹Ì¸¸ÀÌ¸ç °æÁÖºÒ±¹»çÁö¿ªÀº 0.17 Á¤µµ·Î È®ÀεǾú´Ù. ÀûȲ»öÅäÀÇ X-Ray ȸÀý ºÐ¼®°á°ú Á¡Å䱤¹°Àº kaoliniteÈ­ µÇ¾î ÀÖ´Â °ÍÀº ´Ù¸¥Áö¿ªÀÇ È­°­¾ÏÁú dzȭÀÜÀûÅä¿Í °°Àº Ư¡ÀÌ´Ù.
The definition of laterite or lateritic soils is discussed on a climatic condition of tropical and semitropical regions, and the weathering index is indicated by the chemical composition. The chemical composition of$(Fe_2O_3+Al_2O_3)$ of the weathered granite residual soils in tropical and the temperate regions which shelus laterization usually ranges from 0.2 to 0.5. This study shows that the chemical ratio of the Chonju Ajung site is about 0.2U, and that of the regions along the shore of the western sea of Hongsong and Taechon is about 0.33. The chemical ratio of the non-laterite is less than 0.2, and the Kyougju Pulguksa site confirmed about 0.17, The X-Ray diffraction test shows that the clay mineral of the laterite soils is made of kaolinite, this X -Ray result indicates the same characteristics compared with the wrathered granite residual soils of other sites.
 
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Laterite;Granite;Weathering;Chemical properties;X-ray;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.4, 1996³â, pp.115-130
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446717)
¾ð¾î : Çѱ¹¾î
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