Related by context. Frequent words. (Click for all words.) 56 bituminous coal 47 Metallurgical coal 47 coal 46 lignite coal 46 coal seams 46 #Mt [001] 45 carbonaceous 45 Lignite 43 #.#Mt [002] 42 ores 42 calorific value 41 coal seam 41 thermal coal 41 Powder River Basin 41 shales 41 lignite 41 mineable 41 feldspar 41 sulfur coal 40 JORC compliant 40 metallurgical 40 coals 39 Geochemical 39 anthracite 39 extraction 39 molybdenum 39 mined 39 ore 39 iron ores 39 barite 39 magnetite 39 metallurgical coal 38 Mineral Resources 38 sulfide 38 anthracite coal 38 Coal 38 sedimentary basins 38 vanadium 38 extractable 38 manganese ore 37 NYSE ANR 37 unmined 37 mining 37 Bitumen 37 sulfur 37 dolomite 37 fluorspar 37 bituminous 37 chromite 36 Coking coal 36 moly 36 grade ores 36 uranium 36 Extracted 36 coal mining 36 mines 35 tailings 35 ferroalloys 35 minerals 35 iron ore pellet 35 kaolin 35 Iron Ore 35 ferronickel 35 nickel cobalt 35 Galilee Basin 35 steelmaking coal 35 uranium oxide 35 producible 35 manganese 35 Surat Basin 34 taconite 34 Stratoni 34 chrome ore 34 extracted 34 CONSOL 34 #mt [002] 34 heap leaching 34 coal mines 34 prospecting permits 34 bed methane CBM 34 iron ore 33 pulverized coal 33 Coal Mining 33 mine 33 oxide ore 33 gas condensate 33 shale deposits 33 zircon 33 BioOil 33 Btu 33 coalfield 33 natural gas 33 Iron ore 33 bauxite 33 mineral sands 33 shale 33 smelted 32 ferrosilicon 32 coking coal 32 heap leach operation 32 nickel ore