Coal Reserves

For moreĀ Map of Coal Reserve

  • Probable Coal Reserve = Probable Coal Reserves are indicated coal resources and some are measured coal resources, but based on a feasibility study all related factors have been met so that the results of the study are declared feasible.
  • Proved Coal Reserve = Proven coal reserves are measurable coal resources based on a feasibility study all related factors have been met so that the results of the study are declared feasible.
  1. Low-Rank Coal calories: <5,100 kcal/kg
  2. Mid Rank Coal calories: 5,100-6,100 kcal/kg
  3. High-Rank Coal calories: 6,100-7,100 kcal/kg
  4. Very High-RankĀ Coal calories: >7,100 kcal/kg

Source: Directorate General Of Minerals And Coal, Ministry Of Energy And Mineral Resources (Ditjen Minerba, KESDM)

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