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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Critical Minerals and Associated Elements in Mine Effluent and Treatment Residuals: Management Strategies and Technologies for Resource Recovery
edited by Mengling Stuckman, Charles A. Cravotta and Chin-Min Cheng
submission deadline 10 Oct 2025 | 2 articles | Viewed by 2687 | Submission Open
Keywords: mine drainage; tailing leachate; environmentally responsible; (bio)geochemical interactions and models; rare earth elements; lithium; transition metals; socio-economic assessment
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Mineral Processing and Recycling Technologies for Sustainable Future
edited by Zoran Štirbanović, , and Zhitao Feng
submission deadline 15 Oct 2025 | 7 articles | Viewed by 6804 | Submission Open
Keywords: advances in mineral processing; recycling of waste materials for sustainable future; critical minerals utilization from waste and natural resources; innovative solutions in mineral and recycling industry; decarbonization and green technologies; energy transition for climate change reduction
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Mineralogical and Geochemical Insights into Cultural Heritage Materials
edited by Nuno Leal, Amélia Dionísio and
submission deadline 15 Oct 2025 | 4 articles | Viewed by 2241 | Submission Open
Keywords: cultural heritage; mineralogy; geochemistry; degradation; conservation; materials
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Recent Developments in Rare Metal Mineral Deposits
edited by Huimin Su, Yang Gao and
submission deadline 17 Oct 2025 | 6 articles | Viewed by 4990 | Submission Open
Keywords: rare metal mineral deposits; enrichment mechanism; geochemistry; geochronology; mineralization processes; resource exploration
(This special issue belongs to the Section Mineral Deposits)
Geochronological, Petrological and Geochemical Studies of Basaltic Rocks from Oceanic Crust
edited by and Xijun Liu
submission deadline 24 Oct 2025 | Viewed by 197 | Submission Open
Keywords: petrogenesis; magmatic processes; basalt; mantle source; subduction zone; mid-oceanic ridge; intraplate setting
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Advancements in Mineral Resource Characterization Using Machine Learning submission deadline 28 Oct 2025 | 3 articles | Viewed by 6355 | Submission Open
Keywords: mineral resource characterization; machine learning in geology; geospatial data analysis; deep learning in mining; supervised learning; unsupervised learning; geological and geometallurgical modeling; data mining in mining; neural networks for resource estimation; predictive modeling in mining; mineral exploration; feature selection for geological data; automated resource estimation; remote sensing and machine learning; ensemble methods in mining; mining data analytics; optimization in resource estimation; AI in mineral resource assessment; geospatial modeling in mining; mineral deposit modeling; geometallurgical data analysis
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Gems Under the Microscope: New Insights into Mineral Structures and Properties
edited by , Zhengyu Zhou and Yuzhi Zhang
submission deadline 30 Oct 2025 | 5 articles | Viewed by 4132 | Submission Open
Keywords: mineral structures and microstructure of gemstones; mineral properties of gemstones; nano-inclusions in gemstones; geochemistry characterization; geological process; mineralogical and gemological research in ancient geomaterials; multi-mineral aggregate jade
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Ore Deposits Related to Metamorphism submission deadline 30 Oct 2025 | 2 articles | Viewed by 2234 | Submission Open
Keywords: metamorphism; metasomatism; geochemistry (isotopes and trace elements); geochronology; metamorphic ore minerals; mineralogy and petrography
(This special issue belongs to the Section Mineral Deposits)
Rheological, Mechanical and Hydration Properties of Cemented Paste Backfill
edited by Baoxu Yan, and
submission deadline 30 Oct 2025 | 2 articles | Viewed by 1694 | Submission Open
Keywords: cemented paste backfill; tailings recycling; rheology; hydration kinetics; sustainability; numerical modelling
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Natural and Induced Diagenesis in Clastic Rock
edited by Meiyan Fu, Jon Gluyas and Dong Wu
submission deadline 30 Oct 2025 | 3 articles | Viewed by 1464 | Submission Open
Keywords: diagenetic fluid; multi-mineral phase interaction; dissolution mechanism; organic– inorganic interaction; diagenetic facies
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Formation Study of Gem Deposits submission deadline 30 Oct 2025 | 2 articles | Viewed by 1295 | Submission Open
Keywords: geological occurrences; chemical composition; mineral components; geographic features/origin; gem characterization; genesis of gems
(This special issue belongs to the Section Mineral Deposits)
New Discovery and Exploration Methods of Porphyry and Epithermal Mineral Deposits
edited by Chao Yang, and Gangyang Zhang
submission deadline 31 Oct 2025 | 13 articles | Viewed by 22455 | Submission Open
Keywords: porphyry; epithermal; formation; geology; exploration
(This special issue belongs to the Section Mineral Deposits)
Application of Big Data Mining, Machine Learning and Artificial Intelligence in Geoscience, 2nd Edition
edited by Yongzhang Zhou, and
submission deadline 31 Oct 2025 | 14 articles | Viewed by 17998 | Submission Open
Keywords: machine learning; artificial intelligence; big data mining; mineral; petrologic geology; ore deposit; mineral resources prediction; remote sensing; geochemical exploration
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Role of Clay Mineralogy in Geotechnical Engineering Behavior of Clay Soils
edited by Hossam Abuel-Naga and Anasua GuhaRay
submission deadline 31 Oct 2025 | 4 articles | Viewed by 6264 | Submission Open
Keywords: behavior of clayey soil; stabilization of clayey soil; contaminant transport; clay barrier
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Petrological, Geochemical and Geodynamic Study of Ophiolites and Modern Oceanic Lithosphere
edited by , and Francesca Claudia Rotondo
submission deadline 31 Oct 2025 | 1 articles | Viewed by 4647 | Submission Open
Keywords: hydrothermal minerals; oceanic alteration; oceanic mineral deposits; biomineralization; mid-ocean ridge processes
(This special issue belongs to the Section Mineral Deposits)
Geochronology and Geochemistry of Alkaline Rocks
edited by Shen Liu, Tao Wang and Guangying Feng
submission deadline 31 Oct 2025 | 3 articles | Viewed by 3910 | Submission Open
Keywords: alkaline rocks; petrogenesis; geochronology; geochemistry; geodynamics; mineralization
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Characterization of Geological Material at Nano- and Micro-scales
edited by Yulai Zhang, Chenhao Sun and Jianhua Zhao
submission deadline 31 Oct 2025 | 3 articles | Viewed by 3375 | Submission Open
Keywords: porosity; permeability; texture; breakage; mechanical properties; wettability; morphology; crystallography; diagenesis; mineralogical analysis; petrology; microstructural analysis; microscopy
Deep-Time Source-to-Sink in Continental Basins
edited by Qianghu Liu, Hehe Chen, Mingxuan Tan, Hongtao Zhu and Xiaomin Zhu
submission deadline 31 Oct 2025 | 3 articles | Viewed by 2373 | Submission Open
Keywords: deep-time source-to-sink system; catchment geomorphology; sediment routings; sediment flux; sedimentary response; detrital zircons; forward modeling; deep-time digital earth
Applications of Clay Minerals and Engineered Materials in Water and Wastewater Treatment submission deadline 31 Oct 2025 | 3 articles | Viewed by 2225 | Submission Open
Keywords: clay minerals; zeolites; layered double hydroxides; cement materials; spectroscopy characteristics; materials properties; molecular simulations; water treatment; wastewater treatment; adsorption; catalysis
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Electromagnetic Inversion for Deep Ore Explorations
edited by , and Yuanzhi Cheng
submission deadline 31 Oct 2025 | 3 articles | Viewed by 1960 | Submission Open
Keywords: electromagnetic inversion; deep ore exploration; mineral prospecting; machine learning; time-domain and frequency-domain EM methods
(This special issue belongs to the Section Mineral Exploration Methods and Applications)
Recycling and Utilization of Metallurgical and Chemical Solid Waste
edited by Yaguang Wang and Wei Zhang
submission deadline 31 Oct 2025 | 2 articles | Viewed by 1603 | Submission Open
Keywords: aluminosilicate minerals; element extraction; harmful element solidification; carbonization; mineral transformation
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Mineralization and Metallogeny of Iron Deposits
edited by Shigang Duan, Chengdong Yang and Xiuqing Yang
submission deadline 31 Oct 2025 | 3 articles | Viewed by 1603 | Submission Open
Keywords: iron oxide– apatite (Kiruna) deposits; iron– titanium– (vanadium) oxide deposits; iron skarn; banded iron formation; geodynamic setting of iron mineralization; metallogeny of iron deposits; exploration methods
(This special issue belongs to the Section Mineral Deposits)
Unveiling the Depths: Advances in Kimberlite Research as Windows into Earth’s Evolution and Resource Potential
edited by Debora Rios
submission deadline 31 Oct 2025 | 1 articles | Viewed by 1130 | Submission Open
Keywords: kimberlites; diamond mineralization; mineral resources; precambrian magmatism; earth evolution; space-temporal distribution
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Extraction of Valuable Elements from Salt Lake Brine
edited by Enze Li, Jie Ding and
submission deadline 31 Oct 2025 | 1 articles | Viewed by 996 | Submission Open
Keywords: solution chemistry of salt lake brine; separation technologies of valuable elements; interface regulation and process intensification; material flow analysis of valuable elements
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Mineral Pigments: Properties Analysis and Applications submission deadline 31 Oct 2025 | 1 articles | Viewed by 789 | Submission Open
Keywords: mineral pigments; characterization techniques; pigment stability; cultural heritage conservation; inorganic materials; sustainable applications
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Radionuclides and Radiation Exposure in Minerals Extraction, Processing and Applications submission deadline 31 Oct 2025 | Viewed by 587 | Submission Open
Keywords: radionuclides in ores; radiation exposure; radiation monitoring at mine sites; radioactive mining waste management; mitigation measures
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Advances in Kaolinite Group Clay Minerals and Their Applications
edited by , Daniel Moreno-Rodriguez, Martina Maria Calvino and
submission deadline 31 Oct 2025 | Viewed by 488 | Submission Open
Keywords: kaolinite-group mineral-based nanocomposites; halloysite nanotubes; kaolinite; pharmaceutical applications; environmental applications; molecular simulations
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Recent Advances in Carbonate Clumped Isotope Thermometry
edited by Xavier Mangenot
submission deadline 31 Oct 2025 | Viewed by 411 | Submission Open
Keywords: carbonate clumped isotope thermometry; Δ ₄₇ and Δ ₄₈ measurements; paleoclimatology; sedimentology; sedimentary basin analysis; tectonics; diagenesis; paleoaltimetry; structural diagenesis; thermal history reconstruction; solid-state reordering; isotope geochemistry
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Advances and Applications of High-Pressure Grinding Rolls Designs and Operational Strategies submission deadline 31 Oct 2025 | Viewed by 327 | Submission Open
Keywords: HPGR; cheek plates; flanges; studs; wear; skewing
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Large Igneous Provinces: Petrogenesis, Mineralization, and Environmental Impact
edited by and Zhiguo Cheng
submission deadline 31 Oct 2025 | Viewed by 246 | Submission Open
Keywords: mantle plumes; volcanic systems; geodynamics; ore deposits; climate change; mass extinctions; earth's habitability
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Sustainable Mining: Advancements, Challenges and Future Directions submission deadline 1 Nov 2025 | 4 articles | Viewed by 9209 | Submission Open
Keywords: small scale mining; zero waste mining; mine closure; low mineral grades; great depth mining; circular economy of minerals
(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 15 Nov 2025 | 3 articles | Viewed by 2293 | 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)
Gemstone Identification and Characterization: Advances, Technologies and Analytical Challenges in the Modern Gemstone Trade
edited by Maya Musa, and Fabio D’Amico
submission deadline 15 Nov 2025 | Viewed by 183 | Submission Open
Keywords: proof of origin; laboratory-grown diamond; inclusions; treatments; nomenclature; Artificial Intelligence
(This special issue belongs to the Section Crystallography and Physical Chemistry of Minerals & Nanominerals)
Characterization and Provenance Analysis of Ancient Stone Materials: Insights from Mineralogy, Petrology and Geochemistry
edited by
submission deadline 20 Nov 2025 | 6 articles | Viewed by 11071 | Submission Open
Keywords: cultural heritage; analytical techniques; archaeometry; natural and ornamental stone; lithic materials; marble artefacts; ancient quarries; provenance studies
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Redox Reactivity of Iron Minerals in the Geosphere, 2nd Edition
edited by , Lucie Stetten and Maxim I. Boyanov
submission deadline 20 Nov 2025 | 4 articles | Viewed by 6362 | Submission Open
Keywords: biomineralization; iron oxides; iron sulfides; transformation; contaminants; mineralization
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Igneous Rocks and Related Mineral Deposits
edited by Claire E. Wade and
submission deadline 21 Nov 2025 | 7 articles | Viewed by 7595 | Submission Open
Keywords: geochemistry; geochronology; mineralisation; petrogenesis and metallogenesis; magma fertility; magmatic ore deposits; porphyry deposits; hydrothermal ore deposits
(This special issue belongs to the Section Mineral Deposits)
Mineralization and Geochemistry of VMS Deposits submission deadline 22 Nov 2025 | 4 articles | Viewed by 9671 | 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)
Particle–Bubble Interactions in the Flotation Process
edited by Guichao Wang and
submission deadline 22 Nov 2025 | 6 articles | Viewed by 4782 | Submission Open
Keywords: flotation; turbulence effects; bubble– particle collision; attachment; detachment
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Advances in Understanding the Incorporation and Preservation of Isotope Proxies
edited by
submission deadline 25 Nov 2025 | Viewed by 167 | Submission Open
Keywords: isotope proxies; proxy behavior; isotope fractionation; diagenesis; vital effects; paleoenvironment; paleoclimate
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Geochemical Controls on the Generation and Transformation of Carbon in Rocks
edited by , and Yu Zhang
submission deadline 26 Nov 2025 | 2 articles | Viewed by 1358 | Submission Open
Keywords: metasedimentary rocks; coal including coal fires; carbonaceous shale; carbonate; carbon isotope systematics; origin and evolution of life; global carbon cycling
(This special issue belongs to the Section Mineral Geochemistry and Geochronology)
Kinetic Characterization and Its Applications in Mineral Processing
edited by , and Diego Mesa
submission deadline 28 Nov 2025 | 3 articles | Viewed by 2317 | 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)
Mineralogy of Iron Ore Sinters, 3rd Edition submission deadline 28 Nov 2025 | 1 articles | Viewed by 669 | Submission Open
Keywords: sinter mineralogy; crystal structures; phase equilibria; characterisation; formation mechanisms
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Potentially Toxic Elements: Source, Distribution, Risk Assessment and Remediation, 2nd Edition submission deadline 28 Nov 2025 | Viewed by 209 | Submission Open
Keywords: guiding values; heavy metals; metalloids; rare earth elements; geochemical mapping; environmental pollution; ecological risks; human health risks; pollution remediation
(This special issue belongs to the Section Environmental Mineralogy and Biogeochemistry)
Submarine Volcanism, Related Hydrothermal Systems and Mineralizations
edited by , Tamás Sági and
submission deadline 30 Nov 2025 | 6 articles | Viewed by 14127 | Submission Open
Keywords: geochemistry of submarine fluid-rock interaction processes; hydrothermal mineral paragenesis of submarine fluid-rock interaction processes; advances in understanding VMS ore formation processes; petrology and geochemistry of submarine volcanites; alteration of mineral assemblages in submarine volcanites; petrology and geochemistry of low- to medium-grade metamorphic rocks of ocean floor origin; petrogenetic significance of submarine lava flows; methods to find hidden VMS deposits
(This special issue belongs to the Section Mineral Deposits)
Advances in Physical Separation of Gold, Iron Ore and Rare Earth Minerals submission deadline 30 Nov 2025 | 8 articles | Viewed by 13928 | Submission Open
Keywords: physical separation; mineral processing; gold; iron; rare earth elements; sustainable recovery of metals; impact of particle morphology (shape; roughness; and surface properties) on beneficiation; key challenges related to gravity; magnetic; and electrostatic separations
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Acid Mine Drainage: A Challenge or an Opportunity?
edited by , and
submission deadline 30 Nov 2025 | 4 articles | Viewed by 13118 | Submission Open
Keywords: water quality; valuable products; brine treatment; sludge processing; feasibility; acid mine drainage
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Recent Advances in Ore Comminution
edited by Lixia Li, Lanhao Wang, Jiwei Lu and
submission deadline 30 Nov 2025 | 5 articles | Viewed by 8743 | Submission Open
Keywords: comminution technology; energy efficiency; sorting; comminution circuit design; automation control; liberation
(This special issue belongs to the Section Mineral Processing and Extractive Metallurgy)
Clay Minerals: From Paleoclimatic and Paleoenvironmental Indicators to Industrial Raw Materials
edited by Elisa Laita, and
submission deadline 30 Nov 2025 | 9 articles | Viewed by 8729 | Submission Open
Keywords: paleoclimate; paleoenvironment; weathering; industrial clays; kaolin; fibrous clays
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
Mineralogy and Geochemistry of Polymetallic Ore Deposits submission deadline 30 Nov 2025 | 3 articles | Viewed by 6258 | Submission Open
Keywords: polymetallic deposits; ore mineralogy; geochemistry; ore-forming process; process mineralogy
(This special issue belongs to the Section Mineral Deposits)
Mineralogical, Petrophysical and Hydromechanical Properties of Reservoirs and Caprocks, 2nd Edition
edited by , , Zhenhua Jing and
submission deadline 30 Nov 2025 | 5 articles | Viewed by 5973 | Submission Open
Keywords: reservoir characterization; caprock integrity; mineralogical control; petrophysical properties; hydromechanical coupling; shale gas; gas hydrate; hydrogen storage; CO2 sequestration
(This special issue belongs to the Section Clays and Engineered Mineral Materials)
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