자원환경지질 (Economic and Environmental Geology)
- 제22권2호
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- Pages.129-139
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- 1989
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- 1225-7281(pISSN)
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- 2288-7962(eISSN)
충남탄전(忠南炭田) 무연탄(無煙炭)의 특성(特性)
Property of the Jurassic anthracite (Anthracite from the Seongju Area of the Chungnam Coalfield)
- Park, Suk Whan (Korea Institute of Energy and Resources) ;
- Park, Hong Soo (Korea Institute of Energy and Resources)
- 발행 : 1989.04.30
초록
The anthracite coalfields of Korea are confined to the areas where sedimentary rocks of Permian and Jurassic are preserved. The Chungnam coalfield lies in the sedimentary rocks of Jurassic which belongs to the Daedong Supergroup (the Nampo group). For the property analysis of each coal seam interbeded in Daedong Supergroup, Seongju area is chosen and twelve coalseams are taken. Many standard tests have been established for optical analysis (maceral analysis, coalification degree measurement), chemical analysis (proximate, ultimate analysis) and physical analysis (ignition temperature, ash fusion temperature, hardgrove grindability index and X-ray diffraction). The Jurassic anthracite mainly consist of vitrinite and macrinite and the range of the reflectance is
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