主题词：Minerals Flotation and Separation Techniques; Metal Extraction and Bioleaching; Mineral Processing and Grinding; Extraction and Separation Processes; Rock Mechanics and Modeling; Mining Techniques and Economics; Metallurgical Processes and Thermodynamics; Iron and Steelmaking Processes; Coal Properties and Utilization; Tailings Management and Properties; Mine drainage and remediation techniques; Tunneling and Rock Mechanics; Geotechnical and Geomechanical Engineering; Geomechanics and Mining Engineering; Occupational Health and Safety Research; Geochemistry and Geologic Mapping; Belt Conveyor Systems Engineering; Landslides and related hazards; Geochemistry and Elemental Analysis; Recycling and Waste Management Techniques; Drilling and Well Engineering; Geophysical Methods and Applications; Mining and Gasification Technologies; Granular flow and fluidized beds; Cyclone Separators and Fluid Dynamics