Mineral Matter and Trace Elements in Coal

© 2018 by the authors; CC BY-NC-ND license

Late Permian coal; minerals; trace elements; Emeishan basalt/silicic rock; Mahe mine; trace elements in coal; minerals in coal; epiphyllous fungi; macrinite; Gray Hawk coal; brown coal; osmotic dewatering; super absorbent polymers; FTIR; dewatering mechanism; coal; radioactivity; nuclide; Yunnan; China; early Permian coals; minerals; trace elements; Junger Coalfield; carcinogenic risk; hazard quotient; open-cast coal mine; arsenic; soil; safety threshold; harmful trace elements; extraction; SEM; occurrence mode of fluorine; coal-fired power plant; combustion products; geochemistry; coal; rare earth elements; volcanic ash; Late Permian; Pennsylvanian; mining history; coking coal; coal quality; underground coal gasification; coal ash; mineralogy; oxygen-enriched gasification; mode of occurrence; cluster analysis; minerals in coal; Jungar Coalfield; minerals; coal; hydrothermal fluids; seawater influence; tonstein; lanthanide; yttrium; critical materials; coal; coal combustion by-products; porous microspheres; plerospheres; maghemite (γ-Fe₂O₃); magnetic ferrospheres; elemental differentiation; trace elements; minerals in coal; transformation behavior; coal fast pyrolysis; Pennsylvanian coals; minerals; trace elements; Ningwu Coalfield; coal-hosted Nb-Zr-REE-Ga mineralization; clay minerals; paleotemperature; microcrystalline quartz; geochemistry; mineralogy; origin; tuff; Chongqing; coal gangue; environment-sensitive trace elements; column leaching; leaching behavior; environmental hazard; ecological risk; coal; tectonic processes; minerals; elements; Early Permian; metakaolinite; micas; coal-mining waste; LDH (layered double hydroxides); pozzolanic reaction; coal; mineral; elements; Early Permian; genetic types; southeastern Sichuan; Late Permian; Shiping mine; volcanic layers in coal seams; high-Ti basalt