Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
권호 표지

Occurrence types and mineralogical characteristics of asbestos for the Kwangcheon area, Chungnam

충남 광천지역 석면의 산출 유형 및 광물학적 특징

  • 송석환 (중부대학교 환경보건학) ;
  • 황정환 (가톨릭대학교 의과대학 예방의학교실) ;
  • 황범구 (한국화학시험연구원) ;
  • 김현욱 (가톨릭대학교 의과대학 예방의학교실)
  • Received : 2008.08.12
  • Accepted : 2008.12.12
  • Published : 2008.12.31
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Abstract

This study is to characterize the occurrence types and mineralogical characteristics of asbestos for the Kwangcheon areas, Chungnam. The mine areas had been exploited as asbestos mines for several decades since 1930. Host rocks of the asbestos are serpentinites and altered rocks of the ultramafic rocks. Representative samples of the host rocks and minerals were sampled and were examined with microscopes. To confirm for the existences and compositions for the asbestos, the rock samples were analysed with EPMA, XRD and EDS. Chrysotile, tremolite and actinolite were found as asbestos and non-asbestos forms in these areas. Chrysotiles, as non-asbestos forms, occur in the host rocks with mesh and hourglass textures. They, as asbestos forms, are mainly found as the veins. The tremolite and actinolite, as asbestos types, occur as alteration products of the olivine and pyroxene within the host rocks. They, as asbestos types, are also found following the cracks and fractures. Overall results suggest that three types of the asbestos are found in the Kwangcheon and Kaewol mine areas. Based on the occurrence types for the asbestos, additional studies are required for the asbestos in the top soil and air.

Keywords

References

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