搜索结果: 1-15 共查到“凹凸棒石 mechanisms”相关记录25条 . 查询时间(0.345 秒)
Mechanisms and Crystal Chemistry of Oxidation in Annite: Resolving the Hydrogen-Loss and Vacancy Reactions
Annite Biotite Crystal Chemistry Differential Thermal Analysis Ferrioxyannite Gas Chromatography Mossbauer Spectroscopy
2011/12/5
Abstract: A synthetic octahedral-site-vacancy-free annite sample and its progressive oxidation, induced by heating in air, were studied by powder X-ray diffraction (pXRD), Mössbauer spectroscopy,...
Reaction Mechanisms of Smectite Illitization Associated with Hydrothermal Alteration from Ponza Island, Italy
Atomic Force Microscopy Chemical Analysis Illite Polytype Smectite XRD
2011/12/6
Abstract: A hydrothermally altered rhyolitic hyaloclastite from Ponza island, Italy, has four alteration zones with unique clay assemblages: (1) a non-pervasive argillic zone characterized by smectite...
The interaction of pyrite {100} surfaces with O2 and H2O: Fundamental oxidation mechanisms
The interaction pyrite {100} surfaces with O2 H2O:Fundamental oxidation mechanisms
2012/4/1
The interaction of gaseous O , H O, and their mixtures with clean {100} surfaces of pyrite
2 2) were investigated in ultra-high vacuum using scanning tunneling microscopy and spectros-(FeS
copy (STM...
Pressure dependence of self-diffusion in the NaAlO2-SiO2 system: Compositional effects and mechanisms
pressures NaAlO2-SiO2 Compositional effects mechanisms
2012/3/30
MolecularDynamics(MD)simulationswereusedtostudytherelationshipbetween
structureandtransportpropertiesin?veliquids(NaAlO
O ,andNaAlSi O )inthesystemNaAlO -NaAlSi O attemperaturesrangingfrom
4000to60...
Compressibility mechanisms of alkali feldspars: New data from reedmergnerite
New data pressue reedmergnerite
2012/3/30
Structuralandvolumecompressibilitydataforreedmergnerite,NaBSi O ,wereobtained3 8
bysingle-crystalX-raydiffractionatpressuresupto4.7GPa.Thebulkmoduluswas
determinedtobe69.8(5)GPawiththepressurederiva...
Transformation Mechanisms and Interstratification in Conversion of Smectite to Kaolinite: An HRTEM Study
HRTEM Interstratification Kaolinite Smectite Transformation Mechanisms
2011/12/8
Abstract: The transformation of smectite into kaolinite and kaolinite-smectite interstratification were studied in samples belonging to the Argiles Plastiques formation of the Paris basin, by high-res...
Structural mechanisms of solid solution and cation ordering in augite-jadeite pyroxenes: II. A microscopic perspective
Structural mechanisms augite-jadeite pyroxenes microscopic perspective
2012/3/31
Infrared spectra of ordered (P2/n ) and disordered ( C2/c ) pyroxenes belonging to the join augite-jadeite were investigated at room temperature in the range 70–1400 cm 21. The spectra change as a fun...
Structural mechanisms of solid solution and cation ordering in augite-jadeite pyroxenes: I. A macroscopic perspective
Structural mechanisms augite-jadeite pyroxenes macroscopic perspective
2012/3/31
Single-crystal and powder X-ray diffraction data were collected to characterize the mac-roscopic solid-solution and cation-ordering behavior in the system augite-jadeite (low ac-mite content). We exam...
Experimental study of the Fe-Mg exchange between garnet and biotite: Constraints on the mixing behavior and analysis of the cation-exchange mechanisms
Experimental study Fe-Mg exchange garnet biotite: Constraints mixing behavior cation-exchange mechanisms
2012/4/6
NewexperimentaldataarepresentedfortheFe-Mgexchangebetweengarnetandbiotiteinthetemperaturerange600¤C80Cat0.2GPa.TheFe-Mg-Almixingpropertiesof
biotitewereevaluatedandthegarnet-biotitegeothermometerwasr...
Comparison of Structural Models of Mixed-Layer Illite/Smectite and Reaction Mechanisms of Smectite Illitization
Illite Illite/Smectite Mixed-Layer Reaction Mechanism Smectite
2011/12/22
Abstract: This paper compares mechanisms of the reaction of smectite to illite, in light of structural models for interstratified illite/smectite (I/S). The crystal structure of I/S has been described...
Timing and mechanisms of carbon isotope exchange in granulite-facies calc-silicate boudins, Rauer Group, East Antarctica
Timing and mechanisms carbon isotope granulite-facies calc-silicate boudins Rauer Group East Antarctica
2012/4/5
Mineralogicallyzoned,decimeter-diametercalc-silicateboudinsenclosedwithinparag-
neissesfromLittleItalyIsland,RauerGroup,eastAntarcticaunderwentgranulite-facies
metamorphism(P 700¤C900MPa T 840 40C)f...
Ab initio calculations on aluminosilicate Q3 species: Implications for atomic structures of mineral surfaces and dissolution mechanisms of feldspars
Ab calculations aluminosilicate Q3 species Implications for atomic structures dissolution mechanisms of feldspars
2012/4/6
Molecularorbitalcalculations onvariousaluminosilicate Q3T-OHandbridging0spe-cieswereperformed to modelatomic structural changesonmineralsurfacesthat occuras
a function ofpH. Calculatedvibrational fre...
Sorption Mechanisms of Lanthanum on Oxide Minerals
Electron microscopy Lanthanum Metal-oxides Sorption
2011/12/23
Abstract: The retention of hazardous species, including many of the lanthanides, on soils and sediments is vital for maintaining environmental quality. In this study, high-resolution transmission elec...
Structural Transformations of Interstratified Illite-Smectites from Dolná Ves Hydrothermal Deposits: Dynamics and Mechanisms
Cis-octahedron Illite-smectite Illitization Phase Transformations Trans-octahedron
2011/12/23
Abstract: Structural transformations of illite-smectite samples of hydrothermal genesis with increasing contents of illite layers were studied by X-ray powder diffraction. The samples were K-saturated...
Molecular dynamics simulations of liquids and glasses in the system NaAlSiO4-SiO2: Physical properties and transport mechanisms
Molecular dynamics simulations liquids glasses NaAlSiO4-SiO2 Physical properties transport mechanisms
2012/4/5
Thermodynamic and transport properties often compositions in the binary system NaAISi04-Si02have beendetermined bythe methodofmoleculardynamics simulation.
Thecomputations wereperformed oncollections...