Coal mining: What are the largest coal mines in the world?
Top 10 hard and brown coal producers in 2012 were (in million metric tons): China 3,621, United States 922, India 629, Australia 432, Indonesia 410, Russia 351, South Africa 261, Germany 196, Poland 144, and Kazakhstan 122. Coal has been mined in every state of Australia, but mainly in Queensland, New South Wales and Victoria. It is mostly used to generate electricity, and 75% of annual coal production is exported, mostlyWorld Top Coal Mining Companies by Market Value as on 2020,World Top Coal Mining Companies List by Market Cap as Jan 1st, 2020. World Biggest Coal Mining Companies by Market Value. World Largest Coal Mining Companies as on Jan 1st, 2020. Company Name. Company Category: Market Value (Jan-2020) isTop of Coal - Mining3 - Transforming Mining,Accurately detecting the top of a coal seam before blasting is a key factor to effectual coal recovery. Depending on local site geology and seam conditions, up to 12% of the marketable coal resource is estimated to be unrecoverable due to coal loss and dilution during the mining process.