debayangatle:Thick coal seams of Barakar Formation of Gondwana basins of India

debayangatle:Thick coal seams of Barakar Formation of Gondwana basins of India

debayangatle:Thick coal seams of Barakar Formation of Gondwana basins of India

debayangatle:Thick coal seams of Barakar Formation of Gondwana basins of India -- source link

#geology #surface mine #gondwana #barakar formation #sediment #sedimentary

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