Special Issues

Minerals publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Tracing Precambrian Pathways: Neoproterozoic Rocks and Their Global Context
edited by Junyong Li, Jinlong Yao and Guangyi Wei
submission deadline 19 Dec 2025 | 6 articles | Viewed by 4945 | Submission Open
Keywords: petrogenesis; supercontinent; deep-crust process; neoproterozoic orogenesis; climate and marine environment; neoproterozoic resource effects
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Advances in Fine Particles and Bubbles Flotation, 2nd Edition
edited by and
submission deadline 20 Dec 2025 | 4 articles | Viewed by 5847 | Submission Open
Keywords: fine particle flotation; microbubble flotation; bubble-particle flotation; bubble formation; bubble property; bubble modification; flocculation; agglomeration; interface
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Design, Modeling, Optimization and Control of Flotation Process, 2nd Edition
edited by and
submission deadline 20 Dec 2025 | 4 articles | Viewed by 3018 | Submission Open
Keywords: froth flotation processes; optimization tools; modelling and simulation; froth control; cell design; flotation kinetics; modification and improvement of flotation circuits; gas dispersion; RTD measurement and modelling; particle– bubble modelling; first principal modelling; experimental design; mechanical and column cells; pneumatic flotation cells; experimental design
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Sulfide Mineralogy and Geochemistry, 2nd Edition submission deadline 30 Dec 2025 | Viewed by 238 | Submission Open
Keywords: sulfides; sulfide mineralogy; sulfide geochemistry; ore deposits; trace elements; crystal structure; biomineralization and biominerals; mineral processing
(This special issue belongs to the Section Mineral Deposits)
Advances in Precious and Critical Mineral Beneficiation and Extraction submission deadline 31 Dec 2025 | 9 articles | Viewed by 34755 | Submission Open
Keywords: precious and critical minerals; complex ore bodies; physical separation and beneficiation; biomining; hydrometallurgy; electrometallurgy; solvent extraction and ion exchange; wastes and secondary metal sources; recycling
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Structure and Origin of Gold Mineralization: From Primary to Placer Gold Deposits submission deadline 31 Dec 2025 | 10 articles | Viewed by 27979 | Submission Open
Keywords: gold prospecting; biogeochemistry of gold; geochemical analysis; gold deposits; geophysical survey; remote sensing
(This special issue belongs to the Section Mineral Deposits)
Tailings Dams: Design, Characterization, Monitoring, and Risk Assessment, 2nd Edition submission deadline 31 Dec 2025 | 6 articles | Viewed by 27092 | Submission Open
Keywords: characterization of tailings deposits; geotechnical and condition monitoring of tailings dams; design issues and parameters of tailings dams; geotechnical and managerial risk assessment of tailings projects; case histories of failures or good design practices; modeling and simulation of tailings flows resulting from dam failure; dewatering technologies; closure of mine tailings dams; standards and guidelines; innovative tailings management approaches; environmental issues related to active/closed dams (such as dust emission; etc.)
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Advances in Mantle–Crust Interactions for Petrogenesis and Ore-Forming Processes
edited by Feng Huang, Liang Guo, Xiyao Li, and
submission deadline 31 Dec 2025 | 14 articles | Viewed by 20559 | Submission Open
Keywords: mantle– crust interactions; petrology; geochemistry; magmatic evolution; mineralization
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Critical Metal Minerals, 2nd Edition
edited by , Ruoshi Jin, , , Yinhang Cheng, and
submission deadline 31 Dec 2025 | 9 articles | Viewed by 18264 | Submission Open
Keywords: critical metals; geologic characteristics and setting; geochemical exploration; statistical data analysis; mineral geochemistry; petrogenesis and ore genesis; 3D modeling; resource assessment; mineral processing
(This special issue belongs to the Section Mineral Deposits)
Characterization and Reuse of Slag
edited by Eduardo Junca, Felipe Fardin Grillo and Jorge Luís Coleti
submission deadline 31 Dec 2025 | 11 articles | Viewed by 14693 | Submission Open
Keywords: slag valorization; circular economy; slag processing; metallurgical byproduct
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Waste Valorization: Recycling and Recovery of Critical and Strategic Metals
edited by Elif Emil Kaya, and Duygu Yilmaz
submission deadline 31 Dec 2025 | 7 articles | Viewed by 13717 | Submission Open
Keywords: recycling and utilization of waste and industrial by-product; extraction of critical and strategic metals from mineral waste; EoL products; and industrial by-products; hydrometallurgy; pyrometallurgy; electrometallurgy; leaching; precipitation; solvent extraction; melting; hydrogen/metallothermic reduction; thermodynamical modeling and process simulations
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Petrology, Geochemistry, Geophysics, Modeling and Mapping of Volcanic/Igneous Reservoirs and Analog Volcanoes submission deadline 31 Dec 2025 | 5 articles | Viewed by 11846 | Submission Open
Keywords: reservoir classification; reservoir characterization; reservoir exploration; reservoir inversion; reservoir space; facies architecture; petrophysics; volcanology; volcanostratigraphy; modelling; mapping
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Recent Advances in Deep Ore Prospecting
edited by and Juzhi Deng
submission deadline 31 Dec 2025 | 4 articles | Viewed by 11338 | Submission Open
Keywords: deep ore prospecting; advances in geophysics exploration; 3D geological modelling; mineral system exploration
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Selected Papers from the 7th National Youth Geological Congress
edited by , , Hu Peng and
submission deadline 31 Dec 2025 | 16 articles | Viewed by 10952 | Submission Open
Keywords: regional geology; mineralization; strategic mineral resources; mineral exploration; deep engineering; mineral and ore genesis; environmental impact of mineral resources; environmental geochemistry; geo-environment and mineral resources
Laser-Induced Breakdown Spectroscopy (LIBS) Applied to Determination of Rare Earth Elements and Critical Minerals
edited by
submission deadline 31 Dec 2025 | 3 articles | Viewed by 8668 | Submission Open
Keywords: REE detection; laser-induced breakdown spectroscopy; in situ analytical techniques; i.e.; LIBS; atomic emission spectroscopy; rare earth element determination; material characterization techniques; LIBS applications for REEs
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Environmental Geochemistry and Mineralogy: Application for Hydrocarbon Exploration and Ore Deposits submission deadline 31 Dec 2025 | 3 articles | Viewed by 7277 | Submission Open
Keywords: environments and mineral resources; elemental geochemistry; whole rock mineralogy; reservoir mineralogical characteristics; ore mineralogical composition; source rock evaluation; hydrocarbon exploration
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Application of Machine Learning in Mining, Mineral Processing and Extractive Metallurgy
edited by , and Pia Lois-Morales
submission deadline 31 Dec 2025 | 5 articles | Viewed by 6929 | Submission Open
Keywords: machine learning applied to mining; mineral processing; and extractive metallurgy; predictive modeling of mining and metallurgical processes; machine learning-based control of mining and metallurgical processes; machine learning-based water and energy optimization in mining; machine learning-based optimization of mining and metallurgical processes; predictive maintenance of equipment and components; optimization strategies and modeling of metallurgical process performance
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Risks Assessment, Management and Control of Mining Contamination, 2nd Edition
edited by , and Brian Keith Normabuena
submission deadline 31 Dec 2025 | 5 articles | Viewed by 6159 | Submission Open
Keywords: mining; heavy metal contamination; tailings; mine reclamation; mining risks; acid mine drainage; artificial intelligence; machine learning; data analytics
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Green Mining Solutions for the Sustainability of Mine Tailings Management submission deadline 31 Dec 2025 | 3 articles | Viewed by 4897 | Submission Open
Keywords: co-disposal; dewatering; filtration; dry stacking; underground mine backfilling; in-pit disposal; mitigation of dust emission; climate change adaptation; circular economy; green reprocessing; reduce; reuse; and recycle; phytoremediation; landscape rehabilitation; sustainable mine closure; socio-environmental rehabilitation; post disaster remediation; sustainable geochemical management; geo-environmental issues
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Granitoids and Their Importance in the Identification of Tectonic Environments, Geodynamic Evolution and Crustal Growth: Mineralizations, Geochronology, Elemental and Isotope Geochemistry
edited by , Nilson Francisquini Botelho and
submission deadline 31 Dec 2025 | 7 articles | Viewed by 4151 | Submission Open
Keywords: mineralogy; petrology; geochemistry; isotopic composition; geochronology; mineral and rocks; ore deposits; tectonic setting; supercontinent; crustal growth
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Mineralogy and Geochemistry of Sediments
edited by and Mathieu Le Meur
submission deadline 31 Dec 2025 | 2 articles | Viewed by 3751 | Submission Open
Keywords: sediment inorganic and organic geochemistry; geochemical signatures and fingerprints; contamination and pollution behavior; sediment mineralogy and weathering; emerging organic contaminants; natural and anthropogenic processes
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Microbially Induced Carbonate Precipitation (MICP) in Non-Conventional Waters: Innovative Circular Economy Solutions for Mineral Formation, Environmental Remediation, and Sustainable Energy Production submission deadline 31 Dec 2025 | 1 articles | Viewed by 3387 | Submission Open
Keywords: Microbially Induced Carbonate Precipitation (MICP); non-conventional waters; bioremediation; mineral recovery; wastewater treatment; urease
(This special issue belongs to the Section Biomineralization and Biominerals)
Challenges of Groundwater Quality Degradation in the Past Decades: Clues from Water–Minerals Interaction, 2nd Edition submission deadline 31 Dec 2025 | 2 articles | Viewed by 2811 | Submission Open
Keywords: water– mineral interaction; groundwater; coal-mine water; environmental biogeochemistry
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Petrology, Geochemistry and Geophysics of S-Type Granites and Migmatite Rocks
edited by Joana Ferreira and Gláucia Queiroga
submission deadline 31 Dec 2025 | 2 articles | Viewed by 2584 | Submission Open
Keywords: anatexis; S-type granites; migmatites; geochemistry; geochronology; geophysics
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Mineralogical and Mechanical Properties of Natural Building Stone
edited by Ana Maričić, Uroš Barudžija and
submission deadline 31 Dec 2025 | 2 articles | Viewed by 2437 | Submission Open
Keywords: natural building stone; determination of properties; durability to weathering; decoration of natural stone; application of natural stone
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Large Igneous Provinces, Carbonatites, Kimberlites, and Associated Ore Deposits of Africa
edited by , , , Andrea Marzoli and Andrey Bekker
submission deadline 31 Dec 2025 | 1 articles | Viewed by 2270 | Submission Open
Keywords: large igneous provinces (LIPs) in Africa; silicic LIPs (SLIPs) and associated carbonatites and kimberlites in Africa; dyke swarms (mafic; ultramafic; and felsic) of all settings in Africa; LIPs as a tool in paleogeographic reconstructions; LIPs through time and their links with climate change events; LIPs; carbonatites; and kimberlites through time and their links with metallogeny; petrology and geochronology; LIP architecture and insights into the magmatic plumbing system from geochemistry and geophysics
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Reservoir and Geochemistry Characteristics of Black Shale, 2nd Edition submission deadline 31 Dec 2025 | 1 articles | Viewed by 2246 | Submission Open
Keywords: facies models and sedimentation processes; event sedimentology and paleoclimate transitions; paleoenvironment on organic matter enrichment; lithological; mineralogical; and geochemical analysis; diagenesis and pore structure evolution
(This special issue belongs to the Section Mineral Deposits)
Mineral Chemistry: Tool for Vectoring towards Mineral Deposits
edited by Ivan Belousov, and
submission deadline 31 Dec 2025 | 1 articles | Viewed by 1836 | Submission Open
Keywords: mineral chemistry; vectoring; fertility; porphyry Cu; IOCG; orogenic Au; VHMS; LA ICP MS
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Mineralogical Characteristics and Purification Process of Quartz
edited by , , and Yehao Huang
submission deadline 31 Dec 2025 | 3 articles | Viewed by 1817 | Submission Open
Keywords: high-purity quartz; quartz purification/processing; trace element characterization; semiconductor materials; photovoltaic applications; quartz mineralogy/deposits; critical raw materials; advanced material purification; silicon-based technologies
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Critical Minerals for Energy Transition: Advancing Energy Security and Sustainable Manufacturing
edited by , and Shalini Verma
submission deadline 31 Dec 2025 | 2 articles | Viewed by 1416 | Submission Open
Keywords: critical minerals; energy transition; green energy; low-carbon economy; sustainable supply chains; mineral recycling and circular economy; energy security; emission reduction; renewable energy; integration; material efficiency; geopolitical risks; circular economy; sustainable environment
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Digital Exploration and Assessment of Mineral Resources: Theories, Methods and Achievements, 2nd Edition
edited by Yongqing Chen, Jie Zhao and
submission deadline 31 Dec 2025 | 1 articles | Viewed by 718 | Submission Open
Keywords: ore-prospecting information from geology; geochemistry; geophysics; and remote sensing survey; ore-forming anomaly; ore-forming system; nonlinear geosciences; mineral potential mapping; machine learning and geoscience
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Application of Geophysical and Geochemical Techniques in Mining Engineering
edited by , Faramarz Doulati Ardejani, and Mehrdad Soleimani
submission deadline 31 Dec 2025 | Viewed by 649 | Submission Open
Keywords: geophysical and geochemical model integration; mineral exploration methods; mining exploitation techniques; environmental geophysics in mining engineering; environmental geochemistry in mining engineering; application of AI techniques in data processing for geophysical and geochemical models
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Innovation in Solvent Extraction for Metal Recovery submission deadline 31 Dec 2025 | Viewed by 524 | Submission Open
Keywords: selective solvent extraction; synergistic extraction; extraction stoichiometry; ion exchange; kinetic and thermodynamic in ion exchange; sustainable recovery of metals; molecular design; extractive metallurgy; purification of metals; critical minerals/metals; deep eutectic solvent; ionic liquids; new reagents; spent catalyst; technological waste
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Geometallurgical Approaches to Tailings Management and Resource Recovery
edited by Rosie Blannin, and
submission deadline 31 Dec 2025 | Viewed by 462 | Submission Open
Keywords: mine waste; tailings; geometallurgy; secondary prospectivity; critical minerals; process mineralogy; minerals processing; geoenvironmental characterization; acid and metalliferous drainage; desulphurization; geophysics; sampling; case studies
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Mineralogic Analysis, Size Distribution and Environmental Impacts of Mine Dust
edited by Johanna von Holdt, Jennifer Broadhurst and Conchita Kamanzi
submission deadline 31 Dec 2025 | Viewed by 329 | Submission Open
Keywords: mine dust; mineral composition; size distribution; dust characterization; environmental impacts; toxicity; air quality; health outcomes
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Metallogenic Enrichment in Orogenic Systems: Processes Linking Crustal Evolution to Ore Genesis
edited by Miao Yu
submission deadline 31 Dec 2025 | Viewed by 206 | Submission Open
Keywords: crustal evolution (continental and oceanic); metallogenic enrichment processes; orogenic systems; ore genesis; geochronology; isotope geochemistry
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Application of Biomodified Mineral Amendments in Industrial, Environmental and Agricultural Engineering
edited by and Dong Liu
submission deadline 20 Jan 2026 | Viewed by 503 | Submission Open
Keywords: clay minerals; biomodification of clay minerals; mineral amendments; remediation of contaminated soils; physicochemical and structural properties of clays
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Organic Petrology and Geochemistry: Exploring the Organic-Rich Facies
edited by and Qian Zhang
submission deadline 30 Jan 2026 | 5 articles | Viewed by 4797 | Submission Open
Keywords: organic-rich facies; organic petrology; organic geochemistry; inorganic geochemistry; palynofacies; biomarkers; scanning electron microscopy; stable isotope geochemistry; kerogen; thermal maturation; depositional paleoenvironment; basin analysis
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Advances in the Theory and Technology of Biohydrometallurgy
edited by Yan Jia and He Shang
submission deadline 30 Jan 2026 | 3 articles | Viewed by 2910 | Submission Open
Keywords: biohydrometallurgy; bioleaching; bio-oxidation; biomining; microbe-mineral interaction; microbial communities; genomics/metabolomics/transcriptomics; sulfide minerals; secondary resources; leaching kinetics; process modeling; reactor design
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Advances in Mine Backfilling Technology and Materials, 2nd Edition
edited by , Xun Chen and Yuan Li
submission deadline 30 Jan 2026 | 5 articles | Viewed by 2081 | Submission Open
Keywords: backfill mining method; cemented tailing backfill technology; filling materials; mine waste; binding material; cemented tailing backfill; mechanical properties of cemented tailing backfill; rheological properties of filling slurry; mathematical modeling; numerical simulation; in situ measurement
Gem Deposits Through Geological Time: Exploration and Formation Processes
edited by and Martin Feely
submission deadline 30 Jan 2026 | 1 articles | Viewed by 1075 | Submission Open
Keywords: genesis and geological setting of gemstones; economic geology; gemstones; mineralogy; geochemistry; inclusions; geochronology of gemstones; exploration geology
(This special issue belongs to the Section Mineral Deposits)
Advances in Mineral-Based Carbon Capture and Storage submission deadline 30 Jan 2026 | 1 articles | Viewed by 660 | Submission Open
Keywords: solid-based CO2 capture; Ca-; Mg-; Fe-; and K-minerals; clay minerals; sulfide; carbonation process; geochemical reactions and modeling; mineral dissolution and precipitation; mafic and ultramafic rocks; depleted hydrocarbon reservoirs; deep saline aquifers; unmineable coal seams; carbonate rocks; heterogeneity; reactive transport; multiphase flow; residual trapping; laboratory experiments; wettability; batch and flow-through experiments; porosity and permeability; numerical simulation; CO2 injection strategies
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Advances in Electron Microanalysis and Microscopy
edited by
submission deadline 30 Jan 2026 | Viewed by 414 | Submission Open
Keywords: electron probe microanalysis and microscopy; scanning electron microscopy; transmission electron microscopy; microanalysis standards and reference materials; analytical procedures; characterization of minerals and related synthetic materials
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Long-Term Radionuclide Immobilization by Minerals: Applications in Environmental Remediation and Waste Disposal
edited by and Angel Jimenez
submission deadline 30 Jan 2026 | Viewed by 326 | Submission Open
Keywords: spent nuclear fuel; engineered barriers; geological disposal; containment strategies; radionuclide absorption
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Geochemistry and Mineralogy of Polymetallic Deep-Sea Deposits
edited by Yachun Cai and Christian Millo
submission deadline 30 Jan 2026 | Viewed by 236 | Submission Open
Keywords: polymetallic deep-sea deposits; ferromanganese nodule; ferromanganese (cobalt-rich) crusts; seafloor massive sulfides; rare-earth elements and yttrium (REY)-rich sediments; metal resources; deep-sea mining
(This special issue belongs to the Section Mineral Deposits)
Gravity, Magnetic, and Electromagnetic (GME) Geophysical Data Interpretation for Mineral Exploration and Crustal Structure Investigation
edited by Sheng Jin, Letian Zhang, Zhaoxi Chen and
submission deadline 31 Jan 2026 | 11 articles | Viewed by 12657 | Submission Open
Keywords: mineral exploration; crustal structure investigation; geophysical data interpretation; gravity and magnetic method; electrical and electromagnetic method
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Mineralogical and Geochemical Characterization of Zn-Pb Ore Deposits: Insights into Their Genesis, Implications for Exploration, and Environmental Issues submission deadline 31 Jan 2026 | 6 articles | Viewed by 11568 | Submission Open
Keywords: characterization of Zn-Pb ore deposits; genesis of Zn-Pb ore deposits; ore mineralogy; ore geochemistry; sphalerite; critical metals; fluid inclusions; stable and radiogenic isotopes; ore exploration; Zn-Pb mineral resources; sustainable mining; environmental mineralogy and geochemistry
(This special issue belongs to the Section Mineral Deposits)
Sustainable Extraction and Reuse of Metallurgical Wastes: Towards Circular Practices submission deadline 31 Jan 2026 | 6 articles | Viewed by 9730 | Submission Open
Keywords: metallurgical waste; circular economy; sustainable mining; waste management; metal recovery; recycling; bioleaching; hydrometallurgy; pyrometallurgy; environmental impact assessment; life cycle analysis
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Graphite Minerals and Graphene, 2nd Edition
edited by , and
submission deadline 31 Jan 2026 | 4 articles | Viewed by 9727 | Submission Open
Keywords: graphite ores; graphite crystal growth; graphitic carbon; graphite structural properties; graphene preparation; applications of graphite and graphene
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Novel Methods and Applications for Mineral Exploration, Volume III
edited by
submission deadline 31 Jan 2026 | 8 articles | Viewed by 9488 | Submission Open
Keywords: mineral exploration; economic geology; exploration methodology; geochemical exploration; geophysical exploration; novel exploration techniques; modern exploration techniques
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
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