搜索结果: 1-15 共查到“地质学 Relation”相关记录28条 . 查询时间(0.125 秒)
Geochemical and geophysical monitoring of thermal waters in Sloveniain relation to seismic activity
radon electrical conductivity ions thermal springs earthquakes
2015/9/10
Pre-seismic related strains in the Earth s crust are the main cause of the observed geophysical and geochemical
anomalies in ground waters preceding an earthquake. Posoc?je Region, situated along the...
Sequential chemical extraction of arsenic and related elements from the Holocene sediments of Sonargaon, Bangladesh, in relation to formation of arsenic-contaminated groundwater
BCR method ferrihydrite goethite chlorite chemical weathering
2017/4/11
The mineralogy and chemistry of aquifer sediments of As-contaminated groundwater in Sonargaon, Bangladesh were
analyzed to identify the host phases of As and to understand release mechanism of As int...
K-rich rocks and their relation to mineralization in the Mátra Mountains (North Hungary)
K-metasomatism Neogene volcanites hydrothermal mineralization Matra Mts
2011/11/10
At the end of the 1960s scientists of the Geological Institute of the Hungarian Geological Survey described K-enrichments in different rock types exposed at surface in the Western and Central Mátra Mt...
The Relation between Limestone Properties and Quicklime Reactivity
Relation Limestone Properties Quicklime Reactivity
2012/3/28
Within the scope of a research project supported by the German Federation of Industrial Cooperative Research Associations "Otto von Guericke" (AiF) the influence of limestone properties on the reactiv...
Preferred Orientation of Phyllosilicates in Gulf Coast Mudstones and Relation to the Smectite-Illite Transition
Gulf Coast Phyllosilicates Preferred Orientation Smectite-Illite Transition
2011/12/7
Abstract: Development of preferred orientations of illite-smectite (I-S) has been studied using X-ray diffraction (XRD) texture goniometry to produce pole figures for clay minerals of a suite of 16 mu...
Crystal structure of boralsilite and its relation to a family of boroaluminosilicates, sillimanite, and andalusite
boralsilite boroaluminosilicates sillimanite andalusite
2012/3/31
Boralsilite, Al B Si O , is monoclinic, space group C2/m, with a = 14.767(1), b = 5.574(1), c =
15.079(1) ?, ? = 91.96(1)?, and Z = 2. The structure was solved with direct methods and refined to an
...
Relation of Water and Neutral Organic Compounds in the Interlayers of Mixed Ca/Trimethylphenylammonium-Smectites
Adsorption Organoclay Smectite TMPA
2011/12/2
Abstract: Organoclays were prepared by exchanging Ca2+ in a Ca2+-saturated smectite partially or fully with trimethylphenylammonium (TMPA) cations. The mechanistic function of these organoclays as ads...
Hydroxy-Interlayers in Expansible Layer Silicates and Their Relation to Potassium Fixation
Hydroxyaluminum Hydroxyaluminosilicate Montmorillonite Potassium Fixation Vermiculite
2011/12/8
Abstract: Hydroxyaluminosilicate (HAS) and hydroxyaluminum (HyA) ionic solutions having final Al concentrations ranging from 3.74 to 4.00 mM; NaOH/Al molar ratios of 1.0, 2.0 and 2.5; and Si/Al molar ...
Relation between Interlayer Composition of Authigenic Smectite, Mineral Assemblages, I/S Reaction Rate and Fluid Composition in Silicic Ash of the Nankai Trough
Chemical Controls Glass Alteration Illite/Smectite Interlayer Cations Porewater Composition Precursor Clay Minerals Silicic Ash Smectite
2011/12/27
Abstract: The compositions, fabrics and structures of authigenic minerals that formed recently from silicic volcanic ash layers from a 1300-meter sediment column obtained at ODP Site 808 of the Nankai...
Crystalline Swelling of Smectite Samples in Concentrated NaCl Solutions in Relation to Layer Charge
Electrolyte Layer charge Smectite Swelling Vapor pressure X-ray powder diffraction
2011/12/31
The basal spacing of a set of smectites, with layer charges between 0.74 and 1.14 electrons per unit cell, have been measured while the smectites were in equilibrium with NaCl solutions having concent...
Optical Density of Vertisol Clay Suspensions in Relation to Sediment Volumes and Dithionite-Citrate-Bicarbonate-Extractable Iron
Beidellite Extractable Fe Fabric Optical density Tactoid Vertisol
2012/1/11
Clay fractions of eight vertisols and vertisolic soils from Israel were found to consist principally of a Fe-rich beidellite. Sediment volumes of Na-clay suspensions, obtained in measuring cylinders a...
Properties of Iron Oxides in Two Finnish Lakes in Relation to the Environment of Their Formation
Al-substitution Ferrihydrite Genesis Goethite Iron oxide Lake environment
2012/1/11
Fifteen iron oxide accumulations from the bottoms of two Finnish lakes (搇ake ores? were found to contain as much as 50% Fe. Differential X-ray powder diffraction and selective dissolution by oxalate s...
Relation between Structural Disorder and Other Characteristics of Kaolinites and Dickites
Crystallinity Dickite Disorder Electron paramagnetic resonance Fourier-transform infrared spectroscopy Kaolinite
2012/1/11
A suite of Georgia kaolinites, ranging from well-ordered to very poorly ordered samples, were studied to explore correlations between degree of structural disorder, geological environment, Fe3+ conten...
Direct Measurement of the Relation Between Swelling Pressure and Interlayer Distance in Li-Vermiculite
Double-layer theory Interlayer distance Swelling pressure Vermiculite X-ray diffraction
2012/2/1
To test the double-layer theory of swelling as applied to layer silicates, the interlayer separation, ? in a Li-saturated vermiculite from Grouse Creek, Utah, was measured as a function of the swellin...
Relation of Infrared, Crystallochemical, and Morphological Properties of Al-Substituted Hematites
Aluminum Hematite Infrared spectroscopy Iron oxides Morphology Unit-cell parameters
2012/2/6
Synthetic Al-hematites prepared from ferrihydrites, at low (∼ 100°C) and high (400° and 800°C) temperatures were studied for their morphological, crystallochemical, and infrared (IR) characteris...