搜索结果: 1-15 共查到“地质学 Phlogopite”相关记录18条 . 查询时间(0.093 秒)
Vermiculitization of Phlogopite in Metagabbro, Central Turkey
Central Anatolian Ophiolites Metagabbro Mineral Weathering Phlogopite Vermiculite
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2011/12/2
Abstract: Dioctahedral vermiculite occurs in an isolated metagabbro klippe (Kuran鏰li Metagabbro) that belongs to the Central Anatolian Ophiolites from central Turkey. Both the metagabbro and the struc...
Reversed determination of the reaction: Phlogopite + quartz = enstatite + potassium feldspar + H2O in the ranges 750-875 篊 and 2-12 kbar at low H2O activity with concentrated KCl soluctions
Reversed determination Phlogopite + quartz = enstatite + potassium feldspar + H2O H2O KCl soluctions
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2012/3/31
The reaction of phlogopite plus quartz to enstatite, potassium feldspar, and aqueous fluid in the system KMASH-KCl was reversed at 2?2 kbar and 750?75 8C and at low H2O activities by reversal of the H...
Experimental study of the system phlogopite-diopside from 3.5 to 17 GPa
Experimental study system phlogopite-diopside 3.5 to 17 GPa
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2012/4/6
Onthebasisofbothnaturalsamplesandexperimentalstudies,clinopyroxeneisapo-tentialreservoirforpotassiumintheEarth!flsmantle.TheamountofKpartitioningint
clinopyroxenedependsonthephaseassemblagepresent,th...
Crystal chemistry and petrologic significance of Fe3+-rich phlogopite from the Tapira carbonatite complex, Brazil
Crystal chemistry petrologic significance Fe3+-rich phlogopite Tapira carbonatite complex Brazil
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2012/4/6
This contribution deals withthe crystal chemistry ofphlogopite and Fe3+-rich phlogo-pite from the Tapira alkaline-carbonatite complex (Brazil) to assess the petrological sig-nificance and genetic cond...
Fluid-absent melting of F-rich phlogopite + rutile + quartz
Fluid-absent F-rich phlogopite + rutile + quartz
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2012/4/5
Fluid-absent meltingis believed to bean important processin the generation ofmelts mthe lower crust and upper mantle.Breakdownofphlogopite makesH0 available and thus controlsthe conditions atwhichflui...
Dissolution Process of Phlogopite in Acid Solutions
Alteration Biotite Dissolution Interstratification Leached layer Mica/vermiculite Phlogopite Transmission electron microscopy Vermiculite
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2011/12/1
Abstract: The alteration experiments of phlogopite with 0.01 N HCl solution containing 0.1 M NaCl at 50°, 80° and 120°C have been carried out to aid in the understanding of the dissolution process of ...
Supergene Vermiculitization of Phlogopite and Biotite in Ultramafic and Mafic Rocks, Central Korea
Biotite Interstratification Phlogopite Vermiculitization Weathering
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2011/12/29
An X-ray diffraction study of vermiculitized micas in ultramafic and mafic intrusive rocks from Cheongyang, Korea, shows the following weathering sequence: mica → ordered mica/vermiculite interstratif...
Alteration of Phlogopite to Corrensite at Sharbot Lake, Ontario
Corrensite Hydrothermal alteration Interstratification Phlogopite
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2012/1/10
A low-charge corrensite, i.e., a regular 1:1 interstratified smectite/chlorite was found in veins and fissures of an extensively fractured dolomite south of Perth, Ontario, Canada. Total chemical anal...
Refinement of Mn-Substituted Muscovite and Phlogopite
Alurgite Crystal structure Manganese Manganophyllite Muscovite Phlogopite
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2011/11/25
Abstract: The crystal structures of a reddish-purple, Mn-bearing muscovite-2M1 (alurgite variety) and a reddish-brown, Mn-bearing phlogopite-1M (manganophyllite variety) were refined to final residual...
Sorption of Uranium and Radium by Biotite, Muscovite, and Phlogopite
Anion exchange Biotite Cation exchange Muscovite Phlogopite Radium Sorption Uranium
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2012/2/7
The sorption of U and Ra on finely ground biotite, muscovite, and phlogopite was adequately described by the Freundlich adsorption equation, (x/m) = KCn, at low U and Ra concentrations despite Ra prec...
Dissolution Kinetics of Phlogopite. II. Open System Using an Ion-Exchange Resin
Dissolution Ion-exchange resin Kinetics Open system Mica Phlogopite
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2012/2/8
The rate of dissolution of phlogopite in an open system was measured at low temperature and pressure and at pH 3–5. The maximum dissolution rate was achieved by maintaining extremely low ionic concent...
Dissolution Kinetics of Phlogopite. I. Closed System
Closed system Dissolution Kinetics Mica Phlogopite
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2012/2/8
Dry ground phlogopite was placed in deionized water saturated with CO2 at room temperature and pressure. The bulk solution was buffered between a pH of 5 and 6 which is close to the pH of natural weat...
Preparation of Organosilicate Compounds from Phlogopite by Trimethylsilylation
Biotite Phlogopite Trimethylsilylation
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2012/2/10
The reaction of phlogopite with a trimethylsilylating reagent yielded organosilicate compounds which are soluble in various organic solvents. Gas chromatographic analysis of the soluble products indic...
Effect of Particle Size on Potassium Sorption by Potassium-Depleted Phlogopite
Particle Size Potassium Sorption Potassium-Depleted Phlogopite
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2012/2/15
Sorption of K from mixed KCl and CaCl2 solutions by K-depleted, Ca-saturated phlogopite was studied to determine the effect of particle size. The experiments were done at room temperature with 25 mg o...
Effect of Particle Thickness on Potassium Exchange from Phlogopite
Particle Thickness Potassium Exchange Phlogopite
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2012/2/15
Rates of exchange of K with Ca for fine (0·2–2μm) and coarse (54–75μm) and for thin and thick (37–45μm) phlogopite particles were determined using a repeated batch technique, which gave a measure of K...