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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Understanding the Geologic History of Italy: Perspectives from Geochemistry, Geology and Mineralization
edited by Vincenzo Festa and
submission deadline 16 May 2025 | 9 articles | Viewed by 21346 | Submission Open
Keywords: geological evolution of Italy; geochemical features of geological events; geological contexts and mineralization
Removal and Separation of Noble Metal Ions Using Ion Exchange and Solvent Extraction
edited by and Virgínia Sampaio Teixeira Ciminelli
submission deadline 20 May 2025 | 2 articles | Viewed by 8618 | Submission Open
Keywords: ion exchange; solvent extraction; noble metals; separation; extraction; gold; silver; platinum group metals
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Deep Sandstone Reservoirs Characterization
edited by , Aleem Zahid and Hui Xu
submission deadline 20 May 2025 | 2 articles | Viewed by 1352 | Submission Open
Keywords: reservoir architecture; deep reservoir; tight sandstone; sedimentary facies; diagenesis facies; digital core; reservoir modeling; reservoir evaluation
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Complex Processes in Geomaterials and Cementitious Materials Used as Subsurface Engineered Barriers
edited by Edward N. Matteo, and Chven A. Mitchell
submission deadline 20 May 2025 | Viewed by 499 | Submission Open
Keywords: clay and bentonite backfill and buffer; subsurface plugs and seals; engineered barriers; cementitious subsurface seal materials; excavation damage zone; interfaces between engineered and natural systems; geologic disposal of nuclear waste; hydrogen storage; geologic storage of carbon dioxide
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Mineralogy and Geochemistry of Mars: Everything You Need to Know about the Red Planet submission deadline 23 May 2025 | 6 articles | Viewed by 18322 | Submission Open
Keywords: geochemistry of Mars; mineralogy of Mars  ; sedimentary history of Mars  ; igneous processes of Mars  ; future of Mars research
(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 23 May 2025 | 7 articles | Viewed by 3484 | 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)
Genesis and Metallogeny of Non-ferrous and Precious Metal Deposits, 2nd Edition
edited by Yunsheng Ren and
submission deadline 25 May 2025 | 15 articles | Viewed by 11630 | Submission Open
Keywords: new advances in metallogeny; regional metallogeny; geochronology; geochemistry; non-ferrous and precious metal deposits
(This special issue belongs to the Section Mineral Deposits)
Gypsum Crystals: The Importance and the Role of Calcium Sulphate in Past and Modern Environments submission deadline 30 May 2025 | 4 articles | Viewed by 7293 | Submission Open
Keywords: evaporite; fluid inclusions; water chemistry; climate variation; biomineralization
(This special issue belongs to the Section Mineral Deposits)
Isomorphism, Chemical Variability, and Solid Solutions of Minerals and Related Compounds, 2nd Edition
edited by
submission deadline 30 May 2025 | 6 articles | Viewed by 6520 | Submission Open
Keywords: chemical composition; crystal chemistry; isomorphism; solid solution; doping; color centers; chemical defects; chemical zoning; trace elements; thermodynamics control of major and trace elements in substitutions and solid solutions; geochemical markers
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Clay Minerals: From Paleoclimatic and Paleoenvironmental Indicators to Industrial Raw Materials
edited by Elisa Laita, and
submission deadline 30 May 2025 | 7 articles | Viewed by 4498 | Submission Open
Keywords: paleoclimate; paleoenvironment; weathering; industrial clays; kaolin; fibrous clays
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Circular Economy of Remining Secondary Raw Materials submission deadline 30 May 2025 | 2 articles | Viewed by 3857 | Submission Open
Keywords: waste rock; tailings; ashes; mineralogy; geochemistry; separation methods; toxic elements; radioactive elements; critical elements; strategic elements
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Stylolites: Development, Properties, Inversion and Scaling submission deadline 30 May 2025 | 2 articles | Viewed by 2245 | Submission Open
Keywords: stylolite; pressure solution; stress inversion; chemical compaction; sedimentary rocks; permeability
Carbonate Petrology and Geochemistry, 2nd Edition submission deadline 30 May 2025 | 1 articles | Viewed by 1492 | Submission Open
Keywords: carbonate rocks and/or sediments; carbonate texture; mineralogical and/or geochemical composition of carbonates; carbonate petrology; carbonate diagenesis; carbonate weathering; (paleo)-environmental changes; carbon cycle; continental or marine carbonates
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Optimization and Kinetics of Selective Extraction and Recovery of Gold from Primary and Secondary Resources
edited by , Atefeh Azizitorghabeh and
submission deadline 30 May 2025 | Viewed by 229 | Submission Open
Keywords: gold extraction; gold recovery; optimization gold extraction; kinetics and modeling; gold primary resources; gold secondary resources; sustainable practices; gold mineral processing; environmental impact; bio-oxidation pretreatment; refractory gold-bearing ores
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Understanding Tectonic Evolution: From Deformed Grains to Tectonic Plates
edited by Luis Gustavo Ferreira Viegas
submission deadline 30 May 2025 | Viewed by 151 | Submission Open
Keywords: tectonics; plate boundaries; deformation; petrology; geochronology; geochemistry
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Geological Survey Materials: Current Status and Future Perspectives
edited by Naoki Shirai
submission deadline 30 May 2025 | Viewed by 151 | Submission Open
Keywords: reference material; sample preparation; homogeneity; analytical techniques; method validation; data accuracy; interlaboratory comparisons; certification; quality assurance; traceability
New Discovery and Exploration Methods of Porphyry and Epithermal Mineral Deposits
edited by Chao Yang, and Gangyang Zhang
submission deadline 31 May 2025 | 12 articles | Viewed by 14364 | Submission Open
Keywords: porphyry; epithermal; formation; geology; exploration
(This special issue belongs to the Section Mineral Deposits)
Stratabound Barite Deposits: Mineralogy, Isotope Geochemistry and Geochronology
edited by
submission deadline 31 May 2025 | 5 articles | Viewed by 8222 | Submission Open
Keywords: strata bound barite; sediment-hosted mineralization; volcanogenic deposit; sedex deposit; CD-type deposit; MVT deposit; bedded barite deposits; sediment-hosted barite deposits
(This special issue belongs to the Section Mineral Deposits)
Editorial Board Members’ Collection Series: "Critical and Strategic Minerals", 2nd Edition
edited by Jaroslav Dostal, , and
submission deadline 31 May 2025 | 4 articles | Viewed by 5840 | Submission Open
Keywords: critical minerals; critical metals; critical raw materials; ore deposits; isotopes; geochemistry; platinum-group elements (PGEs); rare earth elements (REEs)
(This special issue belongs to the Section Mineral Deposits)
Advances in Uranium Metallogenic Theory, Exploration and Exploitation
edited by , Hui Rong, Chunying Guo and Jincheng Luo
submission deadline 31 May 2025 | 4 articles | Viewed by 5768 | Submission Open
Keywords: geology of newly discovered uranium deposits; genesis of uranium deposits; uranium mineralization with other mineral resources; uranium metallogenic dynamics; structural and/or sedimentary control on uranium deposits; new methods of uranium exploration using geophysics; geochemistry and remote sensing; new exploitation methods in uranium resources
(This special issue belongs to the Section Mineral Deposits)
Critical Metal Minerals, 2nd Edition
edited by , Ruoshi Jin, , , Yinhang Cheng, and
submission deadline 31 May 2025 | 5 articles | Viewed by 4575 | 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)
Recent Advances in Clay-Based Nanocomposites: 2nd Edition
edited by
submission deadline 31 May 2025 | 1 articles | Viewed by 4255 | Submission Open
Keywords: clay; organoclay; nanocomposites; interfacial phenomena; adsorption; isotherms
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Provenance Analyses of Ancient Stones Using Scientific Methods
edited by Walter Prochaska and Vasiliki Anevlavi
submission deadline 31 May 2025 | 3 articles | Viewed by 3275 | Submission Open
Keywords: provenance analysis; isotope analysis; trace element analysis; petrography; microscopic investigation; SEM investigation
Precambrian Crustal Evolution and Tectono-Thermal History of the North China Craton
edited by Lingling Xiao, Lilin Du and Guodong Wang
submission deadline 31 May 2025 | 1 articles | Viewed by 2144 | Submission Open
Keywords: North China Craton; metamorphic P-T paths; geochronology; geochemistry; tectonic evolution
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Innovation in Solvent Extraction for Metal Recovery submission deadline 31 May 2025 | Viewed by 275 | 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)
Characterization of Minerals and Raw Materials Resources Replenishment submission deadline 5 Jun 2025 | 2 articles | Viewed by 4552 | Submission Open
Keywords: advanced mineral characterization; mine value chain optimization; mining waste resources and exploitability; mineral resources in secondary raw materials
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Advances on Fine Particles and Bubbles Flotation, 2nd Edition
edited by and
submission deadline 15 Jun 2025 | 2 articles | Viewed by 2831 | 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)
Application of Biomodified Mineral Amendments in Industrial, Environmental and Agricultural Engineering
edited by and Dong Liu
submission deadline 15 Jun 2025 | Viewed by 283 | 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)
Native Gold as a Specific Indicator Mineral for Gold Deposits, 2nd Edition
edited by
submission deadline 20 Jun 2025 | 10 articles | Viewed by 13582 | Submission Open
Keywords: isomorphic impurities in native gold; fineness; heterogeneity; proto-; syn- and epigenetic minerals of native gold; LA-ICP-MS; EPMA; phase diagrams Au-element(s); gold deposit types; criteria for forecasting and searching for gold deposits
(This special issue belongs to the Section Mineral Deposits)
Industrial Minerals Flotation—Fundamentals and Applications
edited by and
submission deadline 20 Jun 2025 | 7 articles | Viewed by 10678 | Submission Open
Keywords: industrial minerals; phosphate flotation; bauxite flotation; soluble salt flotation; clay mineral surface chemistry; spodumene flotation; rare earth flotation; graphite recovery
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Advanced Hydrometallurgy and Recycling/Utilization of Metallic Resources
edited by Zhihui Yu, Xiaoxian Zhao and Jingkui Qu
submission deadline 20 Jun 2025 | 1 articles | Viewed by 1514 | Submission Open
Keywords: extractive metallurgy; hydrometallurgy; metal recovery and recycling; green chemistry; mechanism; selective separation; kinetics
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Kinetic Characterization and Its Applications in Mineral Processing
edited by , and Diego Mesa
submission deadline 20 Jun 2025 | 1 articles | Viewed by 495 | Submission Open
Keywords: flotation kinetics; breakage rate; flotation rate; selection function; scale-up; time-recovery data; flotation modelling; comminution modelling; simulation
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Microbially Induced Carbonate Precipitation (MICP) in Non-Conventional Waters: Innovative Circular Economy Solutions for Mineral Formation, Environmental Remediation, and Sustainable Energy Production submission deadline 20 Jun 2025 | Viewed by 140 | 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)
Recent Advances in Separation Techniques for Critical Minerals/Metals, Circular Economy, and Sustainability
edited by , , and Mayumi Ito
submission deadline 25 Jun 2025 | 4 articles | Viewed by 5508 | Submission Open
Keywords: mineral processing/beneficiation; physical separation; selective comminution; size/shape separation; gravity separation; magnetic separation; electrical separation; flotation; extractive metallurgy; leaching; purification; solvent extraction; precipitation; cementation; adsorption; critical minerals/metals; primary/secondary resources; recycling; circular economy; environment; sustainability
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Use of Clay Minerals in Adsorption and Photocatalysis Technologies
edited by Pollyana Trigueiro and
submission deadline 25 Jun 2025 | 1 articles | Viewed by 564 | Submission Open
Keywords: clays; clay minerals; adsorptive materials; photocatalytic materials; environmental research; water treatment; nanocomposites
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Geoelectricity and Electrical Methods in Mineral Exploration
edited by Gaofeng Ye
submission deadline 27 Jun 2025 | 5 articles | Viewed by 6045 | Submission Open
Keywords: electric prospecting; polarizability; resistivity; EM method; mineral deposits; volcanoes; mineralization; geothermal resources
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Sustainable Extraction and Reuse of Metallurgical Wastes: Towards Circular Practices submission deadline 27 Jun 2025 | 1 articles | Viewed by 856 | 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)
Petrographic, Geophysical, Geochemical and Geochronological Study of Magma and Magmatism in the Iberian Peninsula and Archipelagos submission deadline 30 Jun 2025 | 7 articles | Viewed by 13701 | Submission Open
Keywords: Iberian magmatism; igneous petrology; mineralogy; chemistry and physics of magmas; geochemical and isotope magma composition; geochronology of magmatic processes; ore-forming processes in magmatic systems
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Physicochemical Properties and Purification of Quartz Minerals
edited by , Mei Xia and Jianguo Li
submission deadline 30 Jun 2025 | 7 articles | Viewed by 10487 | Submission Open
Keywords: high-purity quartz; silica resources; theoretical and experimental studies; mineralogy; petrology; and geochemistry; different occurrences of geological bodies; granitic pegmatite
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Geochemical Characteristics and Contamination Risk Assessment of Soil submission deadline 30 Jun 2025 | 8 articles | Viewed by 10259 | Submission Open
Keywords: soil contamination; contamination risk assessment; health risk assessment; modelling techniques; pollution indices; spatial distributions; treatment of metallurgical and mining wastes; environmental protection; recovery of critical metals
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Recycling of Mining and Solid Wastes submission deadline 30 Jun 2025 | 7 articles | Viewed by 9060 | Submission Open
Keywords: recycling; secondary resources; solid wastes; urban mining; mining wastes; metallurgical wastes; construction and demolition waste; e-waste
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Mineralization and Geochemistry of VMS Deposits submission deadline 30 Jun 2025 | 4 articles | Viewed by 7426 | Submission Open
Keywords: sulfides and sulfosalts; base; precious; strategic; and critical metals; massive; stringer ore; polymetallic mineralization; host lithologies; geotectonic setting
(This special issue belongs to the Section Mineral Deposits)
Mineralogical and Geochemical Characterization of Zn-Pb Ore Deposits: Insights into Their Genesis, Implications for Exploration, and Environmental Issues submission deadline 30 Jun 2025 | 6 articles | Viewed by 5004 | 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)
Experimental and Numerical Studies of Mineral Comminution: 3rd Edition submission deadline 30 Jun 2025 | 3 articles | Viewed by 4967 | Submission Open
Keywords: comminution; modeling; crushing; grinding; liberation; optimization; energy saving
(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 30 Jun 2025 | 2 articles | Viewed by 3914 | 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)
Mineralogy, Geochemistry and Fluid Inclusion Study of Gold Deposits Endowed in Critical Metals submission deadline 30 Jun 2025 | 3 articles | Viewed by 3657 | Submission Open
Keywords: gold; critical metals; ore mineralogy; ore geochemistry; fluid inclusions; mineral system; deposit modeling; mineral exploration
(This special issue belongs to the Section Mineral Deposits)
Element Enrichment and Gas Accumulation in Black Rock Series
edited by Tingshan Zhang, Lei Chen, Chang'an Shan and Xi Zhang
submission deadline 30 Jun 2025 | 9 articles | Viewed by 3547 | Submission Open
Keywords: shale gas occurrence mechanism; electrical properties of rock; paleoclimate; paleotemperature; paleostructure; upwelling and hydrothermal solution; element enrichment; enrichment of shale gas
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Graphite Minerals and Graphene, 2nd Edition
edited by , and
submission deadline 30 Jun 2025 | 3 articles | Viewed by 3544 | 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)
Grinding Chemistry and Its Impact on Downstream Processing
edited by Chris Greet, and
submission deadline 30 Jun 2025 | 2 articles | Viewed by 3492 | Submission Open
Keywords: grinding media; mineralogy; collector adsorption; grade and recovery; gold leaching; cyanide consumption; pulp chemistry; surface chemistry
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Trace Elements in Bauxite Deposits: Critical Georesource and Significant Indicators of Paleoenvironmental Conditions
edited by , Farhad Ahmadnejad, Kunyue Ling and Batoul Taghipour
submission deadline 30 Jun 2025 | 2 articles | Viewed by 2886 | Submission Open
Keywords: bauxite geochemistry; bauxite trace elements; critical georesource; rare earth elements; genesis of bauxites; paleoenvironment of bauxite
(This special issue belongs to the Section Mineral Deposits)
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