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Contamination of Heavy Metals from Dongmyeong Au-Ag Mine Area  

이광춘 (상지대학교 자원공학과)
김세현 (상지대학교 자원공학과)
이승호 (상지대학교 토목공학과)
서용찬 (상지대학교 환경공학과)
Publication Information
Economic and Environmental Geology / v.36, no.1, 2003 , pp. 17-25 More about this Journal
Abstract
Researches were carried out to investigate the characteristics and concentration of heavy metal elements of stream water through Dongmyoung abandoned metal mine and soil adjacent to the mine. The pH range of water was 5.9∼7.1 that implies the water environment was acidic to neutral. The contents and distribution aspects of heavy metals in water samples varied with geochemical characteristics of element, but the concentration of heavy metals has the tendency of increase closer to the mine in general. The results of soil analysis show that total heavy metal concentration of agricultural soil near mine was far lower than those of ore tailing and dumping site. Therefore, the effects of the abandoned mine on stream water and agricultural products were supposed to be insignificant, particularly because the portion of absorbed carbonates and reducible fractions among total heavy metal concentration was relatively lower than the other. Since, however total heavy metal concentrations of mining site were relatively higher than those of adjacent region, there is a possibility of heavy metal difussion when the chemical environment of the site changes due to migration of surface and underground water. It is suggested that the preventive measures for water and soil pollution by the heavy metals would be considered around the region.
Keywords
Dongmyeong mine; heavy metal; fraction; tailing; contamination;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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