搜索结果: 1-15 共查到“地质学 dioctahedral”相关记录33条 . 查询时间(0.093 秒)
Diagenesis of Dioctahedral and Trioctahedral Smectites from Alternating Beds in Miocene to Pleistocene Rocks of the Niigata Basin, Japan
Chlorite-Smectite Clay Mineral Diagenesis C-S Geothermometer Illite-Smectite I-S Niigata Basin Saponite
2011/12/5
Abstract: Clay mineral diagenesis in the Niigata basin is documented by mineralogical and chemical analysis of clay minerals from cuttings from the Shinkumoide SK-1D (SSK-1D) well which is characteriz...
Genesis of Dioctahedral Phyllosilicates During Hydrothermal Alteration of Volcanic Rocks: II. The Broadlands-Ohaaki Hydrothermal System, New Zealand
Crystallization Dioctahedral Phyllosilicates Hydrothermal System Illite-Smectite (I-S) Polytypism Transmission Electron Microscopy
2011/12/2
Abstract: The clay mineral textures, assemblages, formation mechanisms, and controlling geological parameters relating to alteration of silicic volcanic rocks by hydrothermal solutions, in core sample...
Genesis of Dioctahedral Phyllosilicates During Hydrothermal Alteration of Volcanic Rocks: I. The Golden Cross Epithermal Ore Deposit, New Zealand
1M polytype Dioctahedral Clay Minerals Epithermal Hydrothermal Alteration Illite-Smectite (I-S) Neoformation Smectite Transmission Electron Microscopy (TEM)
2011/12/2
Abstract: To characterize the evolution of dioctahedral interstratified clay minerals in the Golden Cross epithermal deposit, New Zealand, hydrothermally altered volcanic rocks containing the sequence...
Structural Transformation of 2:1 Dioctahedral Layer Silicates during Dehydroxylation-Rehydroxylation Reactions
Cation Migration Celadonite Cis-Vacant Octahedra Dehydroxylation Glauconite Illite Rehydroxylation Smectites Structure Trans-Vacant Octahedra
2011/12/6
Abstract: The structural transformation of dioctahedral 2:1 layer silicates (illite, montmorillonite, glauconite, and celadonite) during a dehydoxylation-rehydroxylation process has been studied by X-...
A Model for the Mechanism of Fe3+ to Fe2+ Reduction in Dioctahedral Smectites
CMS Source Clay SWa-1 Dioctahedral Smectite Iron Reduction Structural Formula
2011/12/5
Abstract: A model to compensate the 2:1 layer having excess negative charge owing to the reduction of Fe3+ to Fe2+ by sodium dithionite buffered with citrate-bicarbonate in nontronite, beidellite, and...
Effects of Iron Oxidation State and Organic Cations on Dioctahedral Smectite Hydration
Alkylammonium Ferric Iron Ferrous Iron HDTMA Hydrophilic Surface Hydrophobic Surface Interlayer Cation Oxidation Reduction Surface Hydration Swelling TMA TMPA
2011/12/6
Abstract: Reduction of structural Fe in Na-exchanged dioctahedral smectites decreases swellability in water, but because clay interlayers also collapse in the process the concomitant effect on surface...
Compositional Gap in Dioctahedral-Trioctahedral Smectite System: Beidellite-Saponite Pseudo-Binary Join
Beidellite-Saponite Join Compositional Gap Hydrothermal Experiment Mixed-Layer Phases
2011/12/8
Abstract: A series of hydrothermal experiments were performed to determine the phase relations on the beidellite-saponite pseudo-binary join. Quenched glasses with stoichiometric dehydrated compositio...
Vibrational analysis of the dioctahedral mica: 2M1 muscovite
Vibrational analysis dioctahedral mica 2M1 muscovite
2012/3/31
Raman spectra and lattice dynamics calculations are presented for the dioctahedral mica, musco-
and B species were fitvite. Calculated fundamental mode frequencies for the Raman-active and A
to obs...
Refined Relationships between Chemical Composition of Dioctahedral Fine-Grained Micaceous Minerals and Their Infrared Spectra within the OH Stretching Region. Part II: The Main Factors Affecting OH Vibrations and Quantitative Analysis
Cation Mass Cation Valency IR Spectra OH Stretching Frequencies Quantitative Analysis
2011/12/9
Abstract: A new model for the interpretation of dioctahedral mica infrared (IR) spectra in the OH stretching vibration region is proposed. It is based on the analysis of the main factors responsible f...
Refined Relationships between Chemical Composition of Dioctahedral Fine-Grained Mica Minerals and Their Infrared Spectra within the OH Stretching Region. Part I: Identification of the OH Stretching Bands
Celadonite Glauconite Illite IR Spectra Leucophyllite OH Stretching Frequency
2011/12/9
Abstract: A large and representative collection of clay-size dioctahedral mica minerals differing in their chemical compositions has been studied by infrared (IR) spectroscopy in the OH stretching vib...
An Improved Model for Structural Transformations of Heat-Treated Aluminous Dioctahedral 2:1 Layer Silicates
Beidelites Cis-vacant octahedra Dehydroxylation Illites Montmorillonites Trans-vacant octahedra
2011/12/28
An improved model for the interpretation of thermal effects during dehydroxylation in aluminous dioctahedral 2:1 layer phyllosilicates considers trans-vacant (tv) and cis-vacant (cv) 2:1 layers and le...
Dioctahedral Tosudite in Hydrothermally Altered Pliocene Rhyolitic Tuff, Neutla, Mexico
Chlorite-smectite clay Clays Ditosudite Mexico Mixed-layer clay Tosudite
2011/12/28
Dioctahedral tosudite, a regular interstratification of dioctahedral chlorite-dioctahedral smectite, occurs associated with kaolin in the hydrothermal area of Delgado, Neutla, Mexico. Its composition ...
The Near-Infrared Combination Band Frequencies of Dioctahedral Smectites, Micas, and Illites
Al content Dioctahedral smectites Micas NIR spectra
2011/12/30
The highest frequency near-infrared (NIR) combination bands for specimens of four species of mica—montmorillonite-beidellite, illite, chlorite, and kaolinite—were correlated with respect to Al2O3 cont...
Quantitative Analysis of Mixtures of 1M and 2M1 Dioctahedral Micas by X-Ray Diffraction
March function Peak-area ratio Preferred orientation Quantitative analysis X-ray diffraction 1M mica 2M1 mica
2011/12/1
Abstract: Investigation of a naturally occurring mixture of dioctahedral micas prompted an examination of X-ray diffraction (XRD) techniques for obtaining quantitative estimates of 1M and 2M1 mica pro...
Compositional End Members and Thermodynamic Components of Illite and Dioctahedral Aluminous Smectite Solid Solutions
Clay minerals Composition End members Illite I/S clays Mixed-layered clays Smectite Stoichiometry Structural formula Thermodynamic components Thermodynamic status
2011/12/30
Consideration of XRD, TEM, AEM, and analytical data reported in the literature indicates that dioctahedral aluminous smectite and illite form two separate solid solutions that differ chemically from o...