OOIR: Observatory of International Research

Papers

(The TQCC of Clays and Clay Minerals is 4. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Rare Earth and Critical Element Chemistry of the Volcanic Ash-fall Parting in the Fire Clay Coal, Eastern Kentucky, USA	39
Comparison of Epithermal Kaolin Deposits from the Etili Area (Çanakkale, Turkey): Mineralogical, Geochemical, and Isotopic Characteristics	35
Zirconia-Intercalated Kaolinite: Synthesis, Characterization, and Evaluation of Metal-Ion Removal Activity	33
Calcined Palygorskites as Supplementary Cementitious Materials	31
Stability of Gaomiaozi bentonite: Interlayer hydration structure and aggregation morphology	23
Construction and Characterization of a Nanostructured Biocatalyst Consisting of Immobilized Lipase on Mg-Amino-Clay	19
Highly efficient TiO₂-pillared smectite clay with Ni and Co doping for Rhodamine B removal: kinetics of adsorption and photodegradation	16
Review of secondary phases formed under natural alkaline conditions at low temperatures and implications for cement–bentonite interactions in radioactive waste repositories	15
THE MAKING OF KAOLINITE SUSPENSION TIME-DEPENDENT IN THE STRUCTURAL REJUVENATION MODE – THE FACE CHARGE HYPOTHESIS	14
Tungstate intercalated Mg-Al layered double hydroxide and its derived mixed metal oxide: preparation, characterization, and investigation of optical, electrical, and dielectric properties	14
Effects of occurrence form of soil organic matter on the Atterberg limits and thermal conductivity of clays	13
Development and Characterization of Sintered Zeolite and Zeolite-Kaolin Wick Structure for Thermosiphon Heat-Pipe Application	12
Release of Mg and Fe From the Octahedral Sheets During the Transformation of Montmorillonite Into Kaolinite	11
Synthesis and Characterization of Non-leaching Inorgano- and Organo-montmorillonites and their Bactericidal Properties Against Streptococcus Mutans	11
On the Unusual Temperature Dependence of Kaolinite Intercalation Capacity for N-methylformamide	11
Experimental Peloid Formulation Using a Portuguese Bentonite and Different Mineral-Medicinal Waters Suitable for Therapeutic and Well-being Purposes	11
Rare-Earth Minerals in Kaolin Ore, Mine Tailings, and Sands – Central Georgia, Upper Coastal Plain	10
Influence of pH on the Hydrothermal Synthesis of Al-Substituted Smectites (Saponite, Beidellite, and Nontronite)	10
Composite Biodegradable Polymeric Matrix Doped With Halloysite Nanotubes for the Repair of Bone Defects in Dogs	8
Montmorillonite as an Anti-Tuberculosis Rifampicin Drug Carrier: DFT and Experimental Study	8
A Molecular Dynamics Simulation Study of Fe-Containing Palygorskite	8
Synthesis of a Composite Aerogel of Reduced Graphene Oxide Supported by Two-Dimensional Montmorillonite Nanolayers for Methylene Blue Removal	8
Microstructure and Time-Dependent Behavior of STx-1b Calcium Montmorillonite Suspensions	8
Effects of Metal-Polycation Pillaring and Exchangeable Cations on Aflatoxin Adsorption by Smectite	8
Smectite–brine–CO₂ interactions: effects of interlayer chemistry, brine concentration, CO₂ pressure, and temperature	7

Occurrence of Iron in the Minerals of Carboniferous Coal Gangue of the Pingshuo Open-pit Mine, North China	7
Health Protection Using Clay Minerals: A Case Study Based on the Removal of BPA and BPS from Water	7
Mobility of essential macro- and micro-elements in interaction between artificial sweat and potential peloids of some saline lakes in Mongolia	7
Adsorption Behavior of Asphaltene on Clay Minerals and Quartz in a Heavy Oil Sandstone Reservoir with Thermal Damage	7
Correction: Extraction of ⁴⁰Ar-³⁹Ar ages from a multicomponent mixture: a case study from the Tatra Mountains, Poland	7
Determining the stoichiometric composition of Wyoming montmorillonite using improved transmission electron microscopy-energy dispersive X-ray (TEM-EDX) techniques	7
Gentamicin-Montmorillonite Intercalation Compounds as an Active Component of Hydroxypropylmethylcellulose Bionanocomposite Films with Antimicrobial Properties	7
Characterization Study of some Bauxite Deposits in Northern Brazil	7
Creep Mechanical Properties and Constitutive Model of Hard Brittle Mud Shale	6
Variation in the structural order of kaolinite in regolith as an effective indicator of REE mineralization	6
Comparative study of the adsorption of tetracycline on clay minerals with various nanostructures: allophane, halloysite, and montmorillonite	6
Reduction of Clay Hydration by Addition of an Organic Stabilizer	6
Molecular Dynamics Simulation of Pore-Size Effects on Gas Adsorption Kinetics in Zeolites	6
Porewater Content, Pore Structure and Water Mobility in Clays and Shales from NMR Methods	5
Electrochemical Study of Methoxykaolinite Interactions with Cations and Application to Trace-Level Detection of Pb(II) in Various Aqueous Media	5
Sustained Antibacterial Effect of Levofloxacin Drug in a Polymer Matrix by Hybridization With A Layered Double Hydroxide	5
Characterization and Assessment of Natural Amazonian Clays for Cosmetics-Industry Applications	5
Application of an improved TEM-EDS protocol based on charge balance for accurate chemical analysis of sub-micrometric phyllosilicates in low-grade metamorphic rocks	5
Role of clay cation exchange capacity, location of charge, and clay mineralogy on potassium availability in Indian Vertisols	5
A Novel Process for Intercalating Alkylammonium Ions in a Thai Bentonite and its Effect on Adsorption Performance	5
Minerals for wastewater purification: a case study	5
Ionic dissolution and structural evolution of chrysotile and lizardite at the mineral–water interface: reactions in sulfuric acid solution	5
Preparation and Corrosive Anion-curing Capability of Layered Double Hydroxide (LDH)/Montmorillonite Composites	4
Ceramics Properties of Indurated-Shale Quarry Wastes from Abakaliki, Southeastern Nigeria: Application as Raw Materials in Roofing-Tile Production	4
Microscopic observations of smectite cation exchange in the absence of free water: implications for the evolution of Mars sediments	4
Correction to: Formation of Humboldtine During the Dissolution of Hematite in Oxalic Acid – Density Functional Theory (DFT) Calculations and Experimental Verification	4
Methods for Determination of the Layer Charge of Smectites: A Critical Assessment of Existing Approaches	4
Development of a Nanostructured Film Containing Palygorskite and Dermaseptin 01 Peptide for Biotechnological Applications	4
Halloysite Nanotube Vehicles for Drug Delivery Through a Model Blood–Brain Barrier	4
Crystallization between (100) Goethite and (001) Orientation of Hematite – A Review	4
Effects of the Inclusion of Ce and Ni Species on Ti for Modification of K10-Clay by Sol-Gel and their Use as Catalysts in the Liquid-Phase Esterification Systems	4
Thermal Analysis and Thermal Reactions of Smectites: a Review of Methodology, Mechanisms, and Kinetics	4
Aflatoxin Adsorption by Natural and Heated Sepiolite and Palygorskite in Comparison with Adsorption by Smectite	4
Compressibility Behavior of Bentonites by Stern Theory based on Constant Surface Charge Conditions	4
Unlocking the potential of V/Ti-AAC: a promising eco-friendly catalyst for cyclohexene epoxidation	4
Super-efficient Reduction of 4-nitrophenol Using Raw Pelagic Clays as Catalysts	4
Extraction of ⁴⁰Ar-³⁹Ar Ages from a Multicomponent Mixture: A Case Study From the Tatra Mountains, Poland	4
Tracing Organic-Inorganic Interactions by Light Stable Isotopes (H, Li, B, O) of an Oil-Bearing Shale and its Clay Fraction During Hydrous Pyrolysis	4
Montmorillonite-Hydrochar Nanocomposites as Examples of Clay–Organic Interactions Delivering Ecosystem Services	4