coalportal coal knowledge039 in indonesia
Indonesia's Coal Industry - SlideShare Table 5 Classification of Indonesia’s Coal Reserves by Coal Rank (as of 2007) Reserves (in million tonnes) (gad) Calorific value (kcal/kg) Coal Rank GAD GAR Probable Proven Total % of total Lignite 5100 4500 4,292 1,105 5,397 29% Sub-bituminous 5100– 6100 4500 -5800 8,214 2,971 11,185 60% Bituminous >6100 5800 744 1,385 2,129 11% Total n/a n/a 13,250 ...