The 2nd International Electronic Conference on Mineral Science
1–15 Mar 2021
Mineral Deposits, Mineral Processing, Extractive Metallurgy, Crystallography, Mineral Exploration, Environmental Mineralogy, Mineral Geochemistry, Clays, Engineered Nanomaterials
- Go to the Sessions
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- A. Mineral Processing and Metallurgy
- B. Mineral Deposit Genesis
- C. Environmental Mineralogy and Biomineralization
- D. Mineral Geochemistry and Geochronology
- E. Crystallography and Physical Chemistry of Minerals
- F. Mineral Exploration Methods
- G. Clays, Nanominerals and Engineered Nanomaterials
- H. Analysis and Visualization of Large Datasets in Mineralogy
- Event Details
Best Paper Award Winners Annoucement
The 2nd International Electronic Conference on Mineral Science established the Best Paper Awards to acknowledge the support of the conference participants and to recognize their outstanding scientific accomplishments. Nominated candidates are selected by thecommittes based on the rigor of their science, the significance of their contribution to the field, and the originality of their work. The Best Paper Award winners are as follows:
Characterization, Classification, Dry High Intensity Magnetic Separation (DHIMS) and Re-Grinding Techniques to Improve the Mineral Performance of Sn-Ta-Nb Mineral Concentrate
Jennire Nava Rosario, Juan Menéndez Aguado, Teresa Llorens González
https://sciforum.net/paper/view/conference/9344
A Cautionary Note on Amphibole Geobarometry
José F. Molina, Aitor Cambeses, Juan A. Moreno, Irene Morales, Concepción Lázaro, Pilar Montero, Fernando Bea
https://sciforum.net/paper/view/conference/9346
Both winners should be strongly encouraged to publish their work as full papers in Minerals.
Thanks!
Paul Sylvester
Welcome from the Chair
You are cordially invited to participate in the 2nd International Electronic Conference on Mineral Science, sponsored by the MDPI open access journal Minerals. This was a new initiative in 2018 (https://sciforum.net/conference/IECMS2018) which affords researchers of mineral science opportunity for researchers of minerals science to present their research and exchange ideas with their colleagues. We take full advantage of the Internet, without the need to travel or commit participation expenses. The second conference will be organized around the following eight themes:
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Session A: Mineral Processing and Metallurgy;
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Session B: Mineral Deposit Genesis;
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Session C: Environmental Mineralogy and Biomineralization;
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Session D: Mineral Geochemistry and Geochronology;
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Session E: Crystallography and Physical Chemistry of Minerals;
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Session F: Mineral Exploration Methods;
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Session G: Clays, Nanominerals and Engineered Nanomaterials;
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Session H: Analysis and Visualization of Large Datasets in Mineralogy.
We are also open to other subject areas with thematic importance. This is a virtual conference held at www.sciforum.net/. Sciforum.net is a platform developed and sponsored by MDPI to organize electronic conferences and provide our community with the necessary technical support to host digital conferences. Participation is free of charge—both for authors and attendees. Accepted papers will be gathered in the Proceedings of the conference. Selected extended versions of the papers will be published in the Special Issue of Minerals (ISSN 2075-163X; IF: 2.380) with a discount of 20% on the Article Processing Charge.
I look forward to the exciting discussions as well as new ideas and perspectives that will come out of this e-conference.
Prof. Dr. Paul Sylvester
Chair of the 2nd International Electronic Conference on Mineral Science
Editor-in-Chief, Minerals
Endowed Pevehouse Chair Professor, Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053, US
Conference Chairs
Endowed Pevehouse Chair, Department of Geosciences, Texas Tech University, USA
Paul Sylvester has been the Endowed Pevehouse Chair Professor of Geosciences at Texas Tech University since 2014. He has held previous research and teaching positions at NASA Johnson Space Center, The University of Chicago, Australian National University and Memorial University of Newfoundland (Canada). His research interests are focused on mineral geochemistry and geochronology, particularly as applied to understanding sedimentary provenance, petrogenesis of igneous and metamorphic terranes, and crustal genesis and evolution. To support his research program, he has developed and operates a laser ablation – multicollector – magnetic sector – ICPMS laboratory at Texas Tech. Paul holds a BSc degree from Purdue University (Indiana, USA) and a PhD degree from Washington University in St. Louis (Missouri, USA). He is a Fellow of the Geological Society of America and Mineralogical Society of America.
Session Chairs
Prof. Dr. Saeed Chehreh Chelgani (Session A)
Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, Sweden
Prof. Dr. Theodore J. Bornhorst (Session B)
Department of Geological and Mining Engineering and Sciences, Michigan Technological University, USA
Prof. Dr. Panagiotis Voudouris (Session B)
Department of Mineralogy and Petrology, National and Kapodistrian University of Athens, Greece
Dr. Anna H. Kaksonen (Session C)
Land and Water, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Floreat, Australia
Prof. Dr. Nigel J. Cook (Session D)
School of Chemical Engineering, University of Adelaide, Australia
Prof. Dr. Huifang Xu (Session E)
Department of Geoscience, University of Wisconsin - Madison, USA
Dr. Paul Alexandre (Session F)
Department of Geology, Brandon University, Canada
Dr. Martiya Sadeghi (Session F)
Department of Mineral Resources, Geological Survey of Sweden, Sweden
Prof. Dr. Manuel Pozo Rodríguez (Session G)
Department of Geology and Geochemistry, Autonomous University of Madrid, Spain
Prof. Dr. Stephen Hillier (Session H)
The James Hutton Institute, UK
Advisory Committee
reflection seismic method; seismic imaging; full-waveform inversion; seismic interferometry; seismic quantitative interpretation
remote sensing; environment; satellite image processing; geological mapping; minerals; exploration geology; mining; exploration geophysics
mineral processing; recycling; hydrometallurgy; chemical engineering; grinding; physical separation; mineral purification; powder simulation; solid analysis
flotation of oxide minerals; mineral crystal chemistry; flotation reagent molecular design; mineral/reagent/water interfacial science; waste treatment in minerals processing
silicates; clays; cement; mineral-water interface; diffusion; nanopores; molecular Dynamics; (kinetic) Monte Carlo
modeling; design; optimization; uncertainty; flotation; heap leaching; tailing; seawater
mineral processing; minerals engineering; flotation; physicochemistry of surfaces; colloids systems; hydrophobicity; minerals; surface properties; extractive metallurgy; leaching
critical metals; deposit model; resource potential; unconventional resource source; rare earth elements; cobalt; nickel; graphite; lithium; galium; germanium; magnesite
Pannon Egyetem, Hungary
preparation, structure elucidation and application of organo-clay nanocomplexes
mineralogy; ore geology; crystal growth; crystal structure; powder diffraction; crystal morphology; sector zoning; twining; environmental mineralogy; geochemistry; databases
hydrometallurgy; metallurgical kinetics; solution chemistry; interfacial phenomena; electrometallurgy; nano/colloidal particles synthesis and applications
Sessions
B. Mineral Deposit Genesis
C. Environmental Mineralogy and Biomineralization
D. Mineral Geochemistry and Geochronology
E. Crystallography and Physical Chemistry of Minerals
F. Mineral Exploration Methods
G. Clays, Nanominerals and Engineered Nanomaterials
H. Analysis and Visualization of Large Datasets in Mineralogy
Invited Speakers
crystal structure; chemistry; mineralogy; crystallography; powder diffraction; single-crystal diffraction; electron microscopy
magmatism; high-grade metamorphism; trace element and isotope geochemistry; mineral thermodynamics; thermobarometry
Helmholtz-Zentrum Dresden-Rossendorf, Germany
mineral processing; comminution and flotation processes; surface chemistry;pretreatment techniques; particle-bubble interactions
remote sensing; environment; satellite image processing; geological mapping; minerals; exploration geology; mining; exploration geophysics
mineralogy; petrology; ore deposits; gemstones
nano-mineralogy; mineral–water interactions; rock-forming minerals; transmission electron microscopy; electron diffraction; clay minerals; mineral surfaces; mineral defects
List of Videos from Invited Speakers
Fuzzy logic modeling for integrating the thematic layers derived from ASTER and WorldView-3 remote sensing satellite imagery: A Mineral exploration technique
by Prof. Dr. Amin Beiranvand Pour
related paper: https://sciforum.net/paper/view/conference/9349
A Cautionary Note on Amphibole Geobarometry
by Prof. Dr. José F. Molina
related paper:https://sciforum.net/paper/view/conference/9346
Hera: Evidence for Multiple Mineralisation Events and Remobilisation in a Sediment-Hosted Au-Ag-Pb-Zn Deposit, Central New South Wales Australia
related paper: https://sciforum.net/paper/view/conference/9345
by Dr. Ian Graham
Zoning in Garnet-Group Minerals
by Dr. Sytle Antao
Modulated Structures, Microstructures and Subsolidus Phase Relations of Labradorite Feldspars
by Dr. Huifang Xu
related paper: https://sciforum.net/paper/view/conference/9379
Fine, Coarse and Fine-Coarse Particle Flotation in Mineral Processing with a Particular Focus on the Technological Assessments
by Dr. Ahmad Hassanzadeh
related paper: https://sciforum.net/paper/view/conference/9383
List of accepted submissions (47)
Id | Title | Authors | Presentation Video | Poster PDF | |||||||||||||||||||||||||||||||||||||
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sciforum-034907 | Feasibility of Bio-Mobilization of Rare Earth Elements from Bauxite Residual Red Mud | , , | N/A |
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Background: Red mud is the residual mass resultant from NaOH digestion of bauxite ore by following the Bayer process for aluminum extraction. The global stockpile of red mud is estimated to be about 3 billion tons that either sent to marine disposal or as the dry stack in open space. In both cases, it poses a great environmental threat due to the high alkalinity and the presence of several heavy metals. On contrary, red mud contains a significant amount of rare earth elements (REEs). The increasing demands of REEs with fast depleting mineral reserves are therefore presenting red mud a potential secondary reservoir for REEs’ exploitation. In recent times, numerous studies are conducted using the pyro- and hydro-metallurgical routes albeit the disadvantages like high energy consumption, low recovery, and generation of secondary wastes have found to be associated with the disclosed processes. Due to the inherent benefits of low environmental stress, the less energy-intensive process using the microbial activity, bioleaching is increasingly attractive to the metallurgical operations, especially from the secondary resources. Results: Henceforth, a feasibility study on the bioleaching of red mud has been investigated using Penicillium chrysogenum strain KBS3 (accession number GQ228447) with glucose, sawdust, and molasses as the substrate material. Three different modes of bioleaching (one-step, two-step, and spent medium) were examined with different capacity of metabolic production of acids. One-step bioleaching involving 12 mM citric acid, 2.5 mM oxalic acid, 1.8 mM tartaric acid, and 1162 mM gluconic acid. Whereas, the respective biogenic acid production was observed to be 15 mM, 1 mM, 0.5 mM, and 152 mM in two-step bioleaching, which were 63 mM, 29 mM, 23 mM, and 3 mM in the spent medium bioleaching while using glucose as the substrate and pulp density at 3%. Concomitant bio-mobilization was analyzed to be 79% Y, 28% La, and 28% Ce in a single-step bioleaching system. In the spent medium bioleaching 63% Y, 28% La, and 28% Ce could be mobilized into biogenic lixiviant, which was 67% Y, 20% La, and 15% Ce in a two-step leaching mode. Using molasses as the substrate, citric acid (4.21 mM, 3.57 mM, and 4.85 mM), oxalic acid (1.55 mM, 1.0 mM, and 0.09 mM), tartaric acid (1.18 mM, 0.95 mM, and 2.17 mM), and gluconic acid (210.19 mM, 52.5 mM, and 0.09 mM) were involved in one-step, two-step, and spent-medium bioleaching, respectively at the same pulp density of 3%. The resultant bio-mobilization was analyzed to be 57% Y, 13.5% La, and 12.77% Ce in one-step; 57% Y, 14% La, and 12% Ce in a two-step, and 49% Y, 6.3% La, and 2.9% Ce in the spent-medium bioleaching system. The insignificant mobilization of REEs (1-5%) was observed in the case of abiotic controls. Conclusions: One-step bioleaching has shown good potential for the bio-mobilization of REEs from red mud using Penicillium chrysogenum strain KBS3 and glucose substrate. Future studies in this context may result in a more efficient process in terms of higher-yielding along with its environmentally-friendly properties. |
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sciforum-035523 | Preparation of Pollucite and Analcime Zeolites as a Method to Valorize Aluminum Saline Slags | , , , , , , , | N/A |
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Nowadays scientific and technological advances have allowed to Mankind to improve the life-style, but in this way, other problems have appeared. Currently, environmental problems are one of the most important. Many countries have developed a large number of environmental laws with the purpose of reducing human and industrial effects in the environment. In this work, a valorization procedure is developed for one of the most important wastes generated during aluminum recycling, namely, saline slag, finding that the final solids can be used for environmental applications. The procedure is divided into two steps: 1) recovery of aluminum from various slag fractions, and b) the use of recovered aluminum in the synthesis of two zeolites, namely, analcime (NaAlSi2O6·H2O) and pollucite (CsAlSi2O6·nH2O). Saline slag was ground, sieved (1 mm), washed and separated into two fractions of different sizes, one larger than 0.4 mm and other lower than 0.4 mm. The fraction <0.4 mm was treated under reflux conditions with NaOH or CsOH solutions of different concentrations. The extraction liquor contained aluminum and alkali metal cations; thus after adding the necessary amount of Si, hydrothermal synthesis was carried out at 200 °C for 24 hours, obtaining the zeolitic materials. The solids were characterized by powder X-ray diffraction, thermal analysis, FT–IR spectroscopy, element chemical analysis and electron microscopy. The results of the first step showed that a high percentage of Al (~ 44 wt.%) in the fraction <0.4 mm, can be recovered. The results of the second step indicated that crystalline analcime and pollucite zeolites can be hydrothermally synthesized from extractions liquors and a source of Si, being the only phases detected by PXRD. Acknowledgements. MINECO and ERDF (financing, MAT2016-78863-C2-R). Junta de Castilla y León (formation programs, AJ and AM). Santander Bank (AG). |
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sciforum-036134 | The Role of the Minerals in Komsomolsk Tin-ore District Slurry and Drainage Water's Formation, and their Negative Impact on the Ecosphere | , , | N/A | N/A |
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The report describes slurry and drainage water's characteristics and shows the conditions of their formation in the technogenic system of the Komsomolsky Tin-ore District, Russian Far East. The investigation was conducted using environmental monitoring, and physico-chemical modeling method in the Selektor software complex. In a wide ambient temperature range (from minus 25 to 45 °С) the Eh-pH parameters of micropore solutions, which form technogenic (anthropogenic) waters at various host-rock – sulfide ratios (95:5, 50:50, 5:95), were determined. Depends on the primary ores and host rocks composition ionic and molecular composition of technogenic waters, as well as association of crystallized hypergene (supergene) minerals were established. The negative impact of slurry and drainage water on the hydrosphere and the health of the region's population is shown. Following to environmental monitoring, the content of dissolved metals exceeds background concentrations (times): slurry waters, Zn – up to 385000, Fe – 24253, Cu – 26230, Pb – 1703, Al – 915, Ca – 44766, Mg – 100285; drainage waters, Zn – up to 38200, Fe – 921, Cu – 768, Pb – 1470, Al – 253, Ca – 78133, Mg – 60557. Modeling reveals, that from saturated technogenic waters, Fe, Cu, Zn, Pb, Al, Ca, Mg, K, and Na minerals of the following classes precipitate: oxides and hydroxides, sulfates, carbonates, arsenates, phosphates, and silicates. The tendency of double growth for 24 types of digestive, respiratory, and nervous system diseases during the period from 1991 to 2001 has been noted, moreover, the morbidity rate of children significantly exceeds that of adults. |
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sciforum-036156 | Ecandrewsite (ZnTiO3) in Amphibolite, Sierras de Córdoba, Argentina: A New Paragenetic Occurrence | , |
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Ecandrewsite (ZnTiO3), the zincian end-member of the ilmenite group minerals (IGM) has been found as an accessory relic phase in amphibolites from the Upper Proterozoic-Lower Cambrian metamorphic basement of the Pampa de Olaen region, in the eastern hillside of the Sierra Grande, Córdoba, Argentina. IGM grains occur as anhedral to subhedral inclusions as centers of coronitic titanite, as a result of retrograde metamorphic reactions. Electron microprobe analyses of IGM reveal compositions between Ec56Pph23Ilm21 and Ilm95Pph5 along a solid solution trend ranging from manganoan ferroan ecandrewsite toward ilmenite s.s., passing through intermediate members such as ferroan manganoan ecandrewsite, zincian manganoan ilmenite and manganoan ilmenite. Ecandrewsite and other members of the IGM are considered refractory accessory minerals of a basic igneous rock (likely basalt) later on affected by medium grade regional metamorphism. The inclusions of IGM in titanite would represent non-consumed remnants of the protholithic IGM after coupled reactions with plagioclase that led to the formation of titanite during a retrograde metamorphic event. Even considering that Zn is a relatively widespread element in the metasedimentary associated sequence, we believe that the chemical trend between near end-members ecandrewsite and ilmenite reflects the magmatic composition of IGM in the protholith, where the variations of the Zn contents were controlled by the substitution of Fe by Zn+Mn in the absence any type of regular zonation. However, it is not discarded that chemical adjustments among members of the IGM could have been introduced during prograde regional metamorphism. This would be the first worldwide record of ecandrewsite in amphibolites. |
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sciforum-036437 | Microthermometric Considerations for the Kanif (SE Birjand) and Basiran (SW Birjand) Manganese Prospects, Birjand, South-Khorasan, Eastern Iran. | , | N/A | N/A |
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Two manganese prospects were studied. The Kanif prospect is hosted within an ophiolitic complex located 110 km southeast of Birjand, Southern Khorasan province (eastern Iran). The ophiolitic sequence in this region hosts manganese ore occurring as small discrete patches associated with radiolarian cherts. Ore minerals identified by XRD methods and petrographic studies are pyrolusite, hematite, and goethite showing replacement, colloidal and brecciated textures. Carbonate and silica are the gangue minerals. Based on the ICP-ES-MS methods, the average grade of Kanif is 33.92% Mn. Fluid inclusions hosted by calcite from Kanif demonstrate that the ore-forming solutions had salinities within the range of 0.5-4.5 wt% NaCl eq., homogenization temperatures within the range 100-220˚C and densities of about 0.8-1 g/cm3. Pressure is estimated to be about 50 bars, corresponding to a depth of ~150 meters at the time of formation. The Basiran prospect features veins/veinlets and is located 212 km SW of Birjand, Southern Khorasan province (eastern Iran). These veins/veinlets are hosted by andesitic rocks of Eocene to Oligocene age. Ore minerals identified by XRD methods and petrographic studies are pyrolusite, psilomelane, hematite, goethite and limonite, displaying colloform and open-space filling textures. Gypsum, carbonate and silica are the gangue minerals. Alteration zones, specifically argillic alteration zone, are developed along the veins/veinlets within the andesitic wall rocks. Based on the mineralogical and geochemical data, the primary manganese minerals were Mn oxides and hydroxides, which have gradually been converted to psilomelane and finally pyrolusite. The average Mn grade within the veins/veinlets is 25.95%. Fluid inclusion data show that the ore-forming solutions had salinities within the range of 0.5-5.5 wt% NaCl eq., TH range of 120-220˚C and density about 0.8-1 g/cm3. The pressure was estimated to be less than 50 bars, corresponding to a depth of ~150 meters and a hydrothermal origin. This study focused on investigation of fluid inclusions based on petrography, variety, morphologies, salinity and homogenization temperature for different styles of manganese prospects. Kanif is located in Sistan zone and Basiran is located in lut block. Results and Interpretation of microthermometric data suggest hydrothermal origins for both the Kanif and Basiran Mn prospects. |
List of Videos from Authors
AN ALGORITHM FOR THE PROGENY SIZE DISTRIBUTIONS OF SUCCESSIVE BREAKAGE EVENTS IN BATCH BALL MILLS
by Mahmut Camalan
related paper: https://sciforum.net/paper/view/conference/9381
Instructions for Authors
- Scholars interested in participating with the conference can submit their abstract (about 200-250 words) online on this website until 30 September 2020 15 January 2021.
- Based on the submitted abstract, the Conference Committee will conduct a pre-evaluation of whether a contribution from the authors of the abstract will be welcome for The 2nd International Electronic Conference on Mineral Science. All authors will be notified by 15 October 2020 31 January 2021 about the acceptance of their abstract.
- If the abstract is accepted for this conference, the author will be invited to prepare a full description of their work (max. 8 pages), optionally accompanied by a PowerPoint presentation /poster, until the submission deadline of 31 October 2020 15 February 2021.
- The conference proceedings papers and presentations will be available for discussion https://sciforum.net/conference/iecms2020 for discussion during the time of the conference 16–30 November 2020 1-15 March 2021.
- Accepted papers will be published in the journal Proceedings. After the conference, the authors are recommended to submit an extended version of the proceeding papers to the Minerals Special Issue with a 20% discount on the APC: https://www.mdpi.com/journal/minerals/special_issues/iecms2021
- Title
- Full author names
- Affiliations (including full postal address) and authors' e-mail addresses
- Abstract
- Keywords
- Introduction
- Methods
- Results and Discussion
- Conclusions
- (Acknowledgments)
- References
- Paper Format: A4 paper format, the printing area is 17.5 cm × 26.2 cm. The margins should be 1.75 cm on each side of the paper (top, bottom, and left and right sides).
- Formatting / Style: Papers should be prepared following the style of the IECMS 2021 template. The full titles of the cited papers must be given. Reference numbers should be placed in square brackets [ ], and placed before the punctuation; for example [4] or [1-3], and all the references should be listed separately and as the last section at the end of the manuscript.
- Authors List and Affiliation Format: Authors' full first and last names must be given. Abbreviated middle name can be added. For papers written by various contributors a corresponding author must be designated. The PubMed/MEDLINE format is used for affiliations: complete street address information including city, zip code, state/province, country, and email address should be added. All authors who contributed significantly to the manuscript (including writing a section) should be listed on the first page of the manuscript, below the title of the article. Other parties, who provided only minor contributions, should be listed under Acknowledgments only. A minor contribution might be a discussion with the author, reading through the draft of the manuscript, or performing English corrections.
- Figures, Schemes and Tables: Authors are encouraged to prepare figures and schemes in color. Full color graphics will be published free of charge. Figure and schemes must be numbered (Figure 1, Scheme I, Figure 2, Scheme II, etc.) and an explanatory title must be added. Tables should be inserted into the main text, and numbers and titles for all tables supplied. All table columns should have an explanatory heading. Please supply legends for all figures, schemes and tables. The legends should be prepared as a separate paragraph of the main text and placed in the main text before a table, a figure or a scheme.
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Conference Secretariat
Mr. Francis Wu
Ms. Chloe Li
Email: iecms2021@mdpi.com
A. Mineral Processing and Metallurgy
Mineral beneficiation by means of ore dressing is a combination of different size-reduction methods (crushing, grinding, and size classification, etc.), and separation techniques (gravity, magnetic and flotation, etc.) for removing non-valuable minerals (gangue phases) from valuable minerals. Mineral processing as a multidisciplinary field has attracted attention in various research areas, and scientists from different fields deal with several challenges within this subject. In general, the development of new methods, equipment, and materials; working on new resources (new deposits and recycling); and optimizing existing circuits are the main areas in which mineral processors conduct their investigations. This conference will serve as a bridge between experts and facilitate sharing of their new findings on all aspects of mineral processing.
Session Chair
Prof. Dr. Saeed Chehreh Chelgani, Luleå University of Technology, Sweden
B. Mineral Deposit Genesis
This session focuses on the genetic models of all types of mineral deposits, from microscopic to deposit to district scales. Contributions that present significant, novel, and new information and insight into mineral deposit genesis are welcomed. The breadth of presentations is expected to be large, since there are many factors that influence genetic models, and many types of data required to describe these factors. In addition, authors are encouraged to submit a review of genetic models of a particular deposit or deposit type.
Session Chairs
Prof. Dr. Theodore J. Bornhorst, Michigan Technological University, Houghton, MI 49931, USA
Prof. Dr. Panagiotis Voudouris, National and Kapodistrian University of Athens, 15784 Athens, Greece
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Submissions
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C. Environmental Mineralogy and Biomineralization
The Environmental Mineralogy and Biomineralization session covers various interactions of minerals with their environment and ecosystems. This includes the interactions of minerals with water, air, organisms and engineered processes where minerals are formed, altered or solubilized. Application areas include (but are not limited to) physical–chemical mineral precipitation as part of wastewater treatment, mineral formation through biomineralization, biostabilization, CO2 capture through mineral formation, mineral waste disposal, acid sulfate soils and acid mine drainage.
Session Chair
Prof. Dr. Anna H. Kaksonen, Land and Water, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Floreat, WA 6014, Australia
D. Mineral Geochemistry and Geochronology
Session Chair
Prof. Dr. Nigel J. Cook, University of Adelaide, Adelaide, SA 5005, Australia
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E. Crystallography and Physical Chemistry of Minerals
Topics include (but are not limited to) new minerals, methods for solving mineral structures and microstructures, behaviors of impurity and trace metals in minerals, modulated structures and aperiodic structures, nano-minerals and their properties, semiconductor and piezoelectric minerals in the earth systems, mineral catalysis in the Earth’s environment, mineral nucleation and crystallization processes, mineral–water interface and mineral–microbe interactions, minerals in carbon cycles, and mineral–organic composites.
Session Chair
Prof. Dr. Huifang Xu, Department of Geoscience, University of Wisconsin - Madison, Madison, WI 53706, USA
F. Mineral Exploration Methods
The objective of the Mineral Exploration Methods session is to showcase significant, novel, and timely and cost-effective developments in the general field of mineral exploration. Contributions from the areas of geophysics (e.g., seismic, gravity, EM), geochemistry (e.g., trace elements, isotopes), computational applications (big data, AI, multivariant analysis), or a combination of these (e.g., multidisciplinary integration methods, remote sensing or hyperspectral exploration), as well as success case studies from a variety of deposit types, are welcome.
Session Chairs
Dr. Paul Alexandre, Department of Geology, Brandon University, Brandon, Manitoba, R7A 6A9, Canada
Dr. Martiya Sadeghi, Department of Mineral Resources, Geological Survey of Sweden, Uppsala, Sweden
G. Clays, Nanominerals and Engineered Nanomaterials
This section is dedicated to clays and clay minerals, but also to nanominerals, including nanoclays and engineered nanomaterials. Clay is a textural term that refers to natural rock, sediment and/or alteration product mainly made up of very fine-grained clay mineral phyllosilicates. Clay minerals, whether natural or synthetic, show economically interesting physical and chemical properties that are directly related to their structure and composition. Both the layer charge and small particle size of clay minerals impart them with suitable properties, such as plasticity, sorption, rheology and ion exchange, among others. Taking into account their origin, clay minerals can be detrital and authigenic, related to soil processes, sedimentary deposition or diagenesis but also formed under low-grade metamorphic conditions and/or the influence of hydrothermal events. Nanoclays are nanomaterials (particles at least in one direction <100 nm) of mostly phyllosilicates belonging to clay minerals. Other natural nanominerals are not silicates (e.g., metal (hydr)oxides) and, due to the significant size-effects and large portion of surface atoms, have large mineral surfaces and strong surface reactivity. Depending on particle morphology, nanoclays can be organized into three main types: plate-like nanoparticles (smectites and kaolinite), nanotubes (halloysite and imogolite) and nano-fibrous clay minerals (sepiolite and palygorskite). These clay minerals occur commonly in the named special clays, which are typically formed of mostly one clay mineral and include kaolin, bentonite, sepiolite and palygorskite. Organically modified nanoclays (organoclays) are an attractive type of hybrid organic–inorganic nanomaterial with potential uses in polymer–clay nanocomposites and as rheological modifiers, gas absorbents and drug delivery carriers, among other applications. Nanominerals and mineral nanoparticles play an important role in a variety of geological and environmental processes, as well as in a large number of applications (industrial, environmental and medical), and can be part of so-called engineered nanomaterials.
Encouraged topics of contributions include, but are not restricted to:
- Geology and geochemistry of clays
- Mineralogy and mineral genesis of clay minerals in rocks, sediments and soils
- Nanominerals and environment: mineralogy, geochemistry and origin
- Physical and physicochemical properties of clays, nanoclays and other nanominerals.
- Clays, nanoclays and other nanominerals: industrial, medical and environmental applications
- Engineered nanomaterials: properties and applications
- Advances in analytical methods for characterization and modelization
Session Chair
Prof. Dr. Manuel Pozo Rodríguez, Department of Geology and Geochemistry, Universidad Autónoma of Madrid, 28049 Madrid, Spain
H. Analysis and Visualization of Large Datasets in Mineralogy
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