Gondwanas

Economic

Coal

  • The Barakar and Raniganj Formation of the Damuda Group constitute the most important coal bearing rock formations.
  • All of the Gondwana coal is of bituminous variety.
  • Gondwana coal makes up to 98 per cent of the total reserves and 99 per cent of the production of coal in India. Satpuras, denudation [weathering + erosion] has exposed coal bearing Gondwana strata.
  • The carbon content in Gondwana coal [250 million years old] is less compared to the Carboniferous coal [350 million years old] because of its much younger age.
  • Gondwana coal forms India’s metallurgical grade as well as superior quality coal.
  • The ....
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Geography of the World