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XRD Measurement of Mean Crystallite Thickness of Illite and Illite/Smectite: Reappraisal of the Kubler Index and the Scherrer Equation
Crystal Thickness Illite Illite/Smectite Kubler Index Mixed-Layer Crystals Scherrer Equation XRD
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2011/12/22
Abstract: The standard form of the Scherrer equation, which has been used to calculate the mean thickness of the coherent scattering domain (CSD) of illite crystals from X-ray diffraction (XRD) full w...
Illite-Smectite Alteration and Accompanying Reactions in a Pennsylvanian Underclay Studied by TEM
Coal Basin Diagenesis HRTEM Illite/Smectite Paleosol Underclay Weathering
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2011/12/22
Abstract: Pennsylvanian underclay from Illinois is characterized by well-developed mineral zonation: towards the coal bed, marly limestone gradually evolves into carbonate-free clay, chlorite becomes ...
Adsorption of 137Cs on Montmorillonite and Illite: Effect of Charge Compensating Cation, Ionic Strength, Concentration of Cs, K and Fulvic Acid
Cesium Illite Ion Exchange Montmorillonite Radiocesium Selectivity Soil
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2011/12/9
Abstract: A thorough understanding of the capacity of clay minerals to adsorb radiocesium is essential in order to predict the fate of this pollutant in the environment and to interpret routine measur...
Wettability Contrasts in Kaolinite and Illite Clays: Characterization by Infrared and X-ray Absorption Spectroscopies
Adsorption Clay EXAFS Illite Infrared Kaolinite Wettability XANES
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2011/12/9
Abstract: A reservoir rock is a porous geological formation in contact with 2 liquids, brine and oil. An improved knowledge of rock wettability is of primary importance to estimate the amount of crude...
Illite Crystallinity and Fluid Inclusion Analysis across a Paleozoic Disconformity in Central Korea
Disconformity Illite Crystallinity Korea Low-grade Metamorphism Paleozoic Strata Thermal History
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2011/12/9
Abstract: Illite crystallinity and fluid inclusion techniques are used to understand the thermal histories of rocks on either side of the disconformity between the Lower and Upper Paleozoic strata in ...
Phase relations among smectite, R1 illite-smectite, and illite
Phase relations smectite R1 illite-smectite illite
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2012/4/5
AvarietyofsmectiticandilliticclayswerestudiedbyTEMandAEM,followingex-
pansionbyL.R.Whiteresin,tode?nephaserelationsforclaymineralsundergoingdi-
genesisandlow-grademetamorphism.Samplesincludedaprogra...
Determination of the content and distribution of fixed ammonium in illite-smectite by X-ray diffraction: Application to North Sea illite-smectite
Determination content distribution fixed ammonium illite-smectite X-ray diffraction Application North Sea illite-smectite
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2012/4/1
A new X-ray diffraction method for the determination of the amount and distribution
of fixed NHt in illite-smectite has been developed. Illite-smectite was saturated with K+
and heated at ISO !aC Th...
Illite Polytype Quantification using WILDFIRE?Calculated X-Ray Diffraction Patterns
Cis-vacant Illite Polytypes Quantification Trans-vacant X-ray Diffraction
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2011/12/27
Illite polytype quantification allows the differentiation of diagenetic and detrital illite components. In Paleozoic shales from the Illinois Basin, we observe 3 polytypes: 1Md, 1M and 2M1. 1Md and 1M...
Inter-Basinal Comparison of the Diagenetic Evolution of Illite/Smectite Minerals in Buried Shales on the Basis of K-Ar Systematics
Burial Diagenesis Illite/Smectite Mixed Layers Illitization K-Ar Data Sedimentary Basins Shales
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2011/12/27
The K-Ar systematics of illite/smectite (I/S) mixed layers in deeply buried shales from the Gulf Coast, the North Sea and the Mahakam Delta basins have been compared to provide additional perspectives...
Evaluation of Kinetic Models for the Smectite to Illite Transformation
Illite Kinetics Models Smectite
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2011/12/1
Abstract: Three different models have been reported previously to describe the kinetics of the transformation of smectite to illite (Pytte 1982; Velde and Vasseur 1992; Huang et al. 1993). In order to...
Radiogenic Argon Released by Stepwise Heating of Glauconite and Illite: The Influence of Composition and Particle Size
Argon Dehydroxylation Glauconite Illite
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2011/12/27
Various size fractions of several samples of glauconitic clay and illite were heated stepwise under vacuum for extended periods to: 1) evaluate radiogenic-argon (Ar) yields in relation to composition ...
Particle Shape versus Coherent Scattering Domain of Illite/Smectite: Evidence from HRTEM of Dolna Ves Clays
Coherent scattering domain Fundamental particle HRTEM Illite/Smectite Mixed-layer crystal
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2011/12/27
Fundamental particle thickness measurements of Dolná Ves hydrothermal illite/smectite (I/S) samples confirmed earlier findings regarding the content of fixed cations in illite interlayers (ca. 0.9/O10...
Modeling Arsenate Competitive Adsorption on Kaolinite, Montmorillonite and Illite
Arsenate competitive adsorption Illite Kaolinite Montmorillonite
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2011/12/27
Abstract: The adsorption of arsenate (As(V)) on kaolinite, montmorillonite and illite was investigated at varying pH and competing anion concentration while holding As(V) concentration (6.7 ?10−...
The nature of diffraction effects from illite and illite-smectite consisting of interstratified trans-vacant and cis-vacant 2:1 layers: A semiquantitative technique for determination of layer-type content
illite illite-smectite interstratified trans-vacant cis-vacant 2:1 layers semiquantitative technique layer-type content
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2012/4/6
Previous workhas described the structural and diffraction criteria for distinguishing between tv-1M, cv-lM, and m-lM illite varieties, wheretv-1M illite corresponds to a structure withtrans vacant(tv)...
Evolution of Illite/Smectite from Early Diagenesis through Incipient Metamorphism in Sediments of the Basque-Cantabrian Basin
Basque Cantabrian Basin Diagenesis Illite Smectite
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2011/12/23
Abstract: Prograde evolution of illite/smectite occurring in an unusually-thick (8000 m) sequence of Mesozoic-Cenozoic sediments in the Basque-Cantabrian Basin, Spain, has been studied using XRD and T...