Supriawan, Dwika Putra (2009) Analisis Perhitungan Cadangan Batubara Menggunakan Program SURPAC di Daerah "X" Berdasarkan Data Log Geolistrik Pulau Bunyu Kabupaten Bulungan Kalimantan Timur. Undergraduate thesis, geological Engineering Department Engineering Faculty Diponegoro University.
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Abstract
Coal is strategic mining materials and the only raw materials national energy that has a high effect in national development. Information about coal reserve and resource become a basic element in planning national energy policy. Coal as one of alternative energy sources which become many industrial common need, either for our country and also abroad. Targets of this research are understanding the condition of surface and sub-surface geology from data analysis using resistivity sounding, knowing coal disseminating condition in research area, determining the aspect which is needed in calculation of coal reserve and knowing the scale of coal reserve in research area. Research methodology is using research analytic descriptive survey method, in order to know the existence and spreading of coal seam in research location, it require to be done by investigation of geophysics. One of the investigation of geophysics able to be used to estimate existence of coal is resistivity sounding survey. investigation of this resistivity sounding will yield the sub- surface of coal condition. The parameters they used to determine scale of coal reserve in research area are coordinate data and elevation resistivity sounding measurement, top bottom of coal boundary and coal thickness. The data analysed by using Surpac program. Result of analysis calculation of this coal reserve volume is at research area have three coal seam. Coal seam at as general as first which have reserve volume is 16.763.553,04 ton. The second seam 11.823.346,08 ton and last seam is 29.024.125 ton. Total from first seam, second and third seam is 57.611.024,12 ton. Mining goals per month is 200.000 ton per month or equal to 2.400.000 ton / year, the activity of coal mining in Bunyu Island approximately take place during ±24 year.
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