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Dry Preparation Of Coal Lignite By Wind Jig

India has the fourth largest reserves of coal in the worldndian coal reserves as per the latest estimate of geological survey of india, including coal and lignite up to a depth of 1200 m, are 327 billion tonne bt , out of which coal is 286 bt and lignite 41 bt in two important geological horizons of permian 250300 million years and tertiary periods 65180 million years.