OOIR: Observatory of International Research

Papers

(The TQCC of Clays and Clay Minerals is 5. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Rare Earth and Critical Element Chemistry of the Volcanic Ash-fall Parting in the Fire Clay Coal, Eastern Kentucky, USA	41
Calcined Palygorskites as Supplementary Cementitious Materials	37
Comparison of Epithermal Kaolin Deposits from the Etili Area (Çanakkale, Turkey): Mineralogical, Geochemical, and Isotopic Characteristics	37
Stability of Gaomiaozi bentonite: Interlayer hydration structure and aggregation morphology	31
Highly efficient TiO₂-pillared smectite clay with Ni and Co doping for Rhodamine B removal: kinetics of adsorption and photodegradation	24
Review of secondary phases formed under natural alkaline conditions at low temperatures and implications for cement–bentonite interactions in radioactive waste repositories	20
THE MAKING OF KAOLINITE SUSPENSION TIME-DEPENDENT IN THE STRUCTURAL REJUVENATION MODE – THE FACE CHARGE HYPOTHESIS	16
Tungstate intercalated Mg-Al layered double hydroxide and its derived mixed metal oxide: preparation, characterization, and investigation of optical, electrical, and dielectric properties	16
Effects of occurrence form of soil organic matter on the Atterberg limits and thermal conductivity of clays	16
Low-cost membrane supports for wastewater treatment made from local clay and calcite mixtures	16
Development and Characterization of Sintered Zeolite and Zeolite-Kaolin Wick Structure for Thermosiphon Heat-Pipe Application	13
On the Unusual Temperature Dependence of Kaolinite Intercalation Capacity for N-methylformamide	13
Experimental Peloid Formulation Using a Portuguese Bentonite and Different Mineral-Medicinal Waters Suitable for Therapeutic and Well-being Purposes	12
Synthesis and Characterization of Non-leaching Inorgano- and Organo-montmorillonites and their Bactericidal Properties Against Streptococcus Mutans	12
Influence of pH on the Hydrothermal Synthesis of Al-Substituted Smectites (Saponite, Beidellite, and Nontronite)	11
Montmorillonite as an Anti-Tuberculosis Rifampicin Drug Carrier: DFT and Experimental Study	11
Rare-Earth Minerals in Kaolin Ore, Mine Tailings, and Sands – Central Georgia, Upper Coastal Plain	11
Effects of Metal-Polycation Pillaring and Exchangeable Cations on Aflatoxin Adsorption by Smectite	10
Microstructure and Time-Dependent Behavior of STx-1b Calcium Montmorillonite Suspensions	9
Composite Biodegradable Polymeric Matrix Doped With Halloysite Nanotubes for the Repair of Bone Defects in Dogs	9
Synthesis of a Composite Aerogel of Reduced Graphene Oxide Supported by Two-Dimensional Montmorillonite Nanolayers for Methylene Blue Removal	9
Adsorption Behavior of Asphaltene on Clay Minerals and Quartz in a Heavy Oil Sandstone Reservoir with Thermal Damage	8
In Memoriam: Selahattin Kadir 1956–2025	8
Gentamicin-Montmorillonite Intercalation Compounds as an Active Component of Hydroxypropylmethylcellulose Bionanocomposite Films with Antimicrobial Properties	8
Occurrence of Iron in the Minerals of Carboniferous Coal Gangue of the Pingshuo Open-pit Mine, North China	8

Determining the stoichiometric composition of Wyoming montmorillonite using improved transmission electron microscopy-energy dispersive X-ray (TEM-EDX) techniques	7
Health Protection Using Clay Minerals: A Case Study Based on the Removal of BPA and BPS from Water	7
Characterization Study of some Bauxite Deposits in Northern Brazil	7
Correction: Extraction of ⁴⁰Ar-³⁹Ar ages from a multicomponent mixture: a case study from the Tatra Mountains, Poland	7
Smectite–brine–CO₂ interactions: effects of interlayer chemistry, brine concentration, CO₂ pressure, and temperature	7
Creep Mechanical Properties and Constitutive Model of Hard Brittle Mud Shale	6
Characterization and Assessment of Natural Amazonian Clays for Cosmetics-Industry Applications	6
Molecular Dynamics Simulation of Pore-Size Effects on Gas Adsorption Kinetics in Zeolites	6
Application of an improved TEM-EDS protocol based on charge balance for accurate chemical analysis of sub-micrometric phyllosilicates in low-grade metamorphic rocks	6
Porewater Content, Pore Structure and Water Mobility in Clays and Shales from NMR Methods	6
Comparative study of the adsorption of tetracycline on clay minerals with various nanostructures: allophane, halloysite, and montmorillonite	6
Mobility of essential macro- and micro-elements in interaction between artificial sweat and potential peloids of some saline lakes in Mongolia	6
Variation in the structural order of kaolinite in regolith as an effective indicator of REE mineralization	6
Halloysite Nanotube Vehicles for Drug Delivery Through a Model Blood–Brain Barrier	5
Electrochemical Study of Methoxykaolinite Interactions with Cations and Application to Trace-Level Detection of Pb(II) in Various Aqueous Media	5
Tracing Organic-Inorganic Interactions by Light Stable Isotopes (H, Li, B, O) of an Oil-Bearing Shale and its Clay Fraction During Hydrous Pyrolysis	5
Development of a Nanostructured Film Containing Palygorskite and Dermaseptin 01 Peptide for Biotechnological Applications	5
Methods for Determination of the Layer Charge of Smectites: A Critical Assessment of Existing Approaches	5
Role of clay cation exchange capacity, location of charge, and clay mineralogy on potassium availability in Indian Vertisols	5
Thermal Analysis and Thermal Reactions of Smectites: a Review of Methodology, Mechanisms, and Kinetics	5
Preparation and Corrosive Anion-curing Capability of Layered Double Hydroxide (LDH)/Montmorillonite Composites	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
Aflatoxin Adsorption by Natural and Heated Sepiolite and Palygorskite in Comparison with Adsorption by Smectite	5