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Browsing Геология России by Title
Now showing items 5100-5119 of 39375
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(2001)We experimentally investigate the effect of crystals on the fragmentation behavior of a three-phase (melt+gas+crystals) system under rapid decompression. Starting materials are cylinders of hydrated haplogranite melts ...
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(2004)The quartz-water-oil-gas system has been experimentally studied with the objective of investigating the trapping of petroleum and aqueous inclusions in quartz at different water/oil (W/O) ratios (0/100, 5/95, 10/90, 20/80, ...
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(2003)We present the results of a series of hydrothermal experiments on grains from two partially metamict zircon samples from Sri Lanka in the temperature range 350 to 650 °C and with different solutions (2 M AlCl3, 2 M CaCl2, ...
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(2002)This paper discusses the differences in mechanical properties and kinematics between fold-and-thrust belts detaching on evaporitic decollements and those detaching on stronger detachments. Physical experiments are described ...
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(1993)We have performed time series experiments for periods ranging from 3 min to 44 h on the interaction of granite melt and partially molten basalt at 920°C and 10 kbar, in the presence of 5 wt.% water. With time, the assemblage ...
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(2005)Using experimental results at 1.0 GPa for the systems CaO–SiO2, MgO–SiO2, CaMgSi2O6–SiO2 and CaMgSi2O6–Mg2SiO4, and all the currently available phase equilibria and thermodynamic data at 1 bar, we have optimized the ...
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(2002)Stable isotopic compositions of bivalve shells have often been used for the reconstruction of high-resolution records of palaeotemperature and palaeoproductivity cycles. A major assumption in such studies is that isotopic ...
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(2001)Mature crustal fault zones are known to be zones of persistent weakness. This weakness is believed to result from microstructural modifications during deformation, such as grain-size reduction and foliation development. ...
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(1998)Equilibrium constants for aqueous Al–Si complexes at 300°C and saturated water vapour pressure (86 bar) were generated experimentally from the difference between the solubility of boehmite in silica-free and silica-bearing ...
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(2003)Liquid immiscibility in sodium- and potassium-enriched carbonate-silicate and sulfate-carbonate-silicate systems was experimentally studied at T = 1250°C and P = 2 kbar in the context of the problem of barium-strontium ...
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(2003)A haplogranite composition (73 wt% SiO2) has been studied experimentally to investigate the kinetics of crystallization. A series of equilibrium experiments over a range of pressures (5–200 MPa) and temperatures (825–1185 ...
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(2001)Behavior of semi-brittle materials in case of various loads has been considered. Process of loosening the semi-brittle materials under action of elastoplastic loads has been discussed. Experimental investigations of the ...
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EXPERIMENTAL INVESTIGATION OF FACTORS CONTROLLING THE COMPOSITION OF GLASSES FROM THE LUNAR REGOLITH (2003)This paper presents the results of experiments imitating shock melting, spraying, and mixing of melts of a chondritic projectile and targets that model lunar highland and mare rocks. The analysis of glass spherules ...
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(1998)To interpret the degassing of F-bearing felsic magmas, the solubilities of H2O, NaCl, and KCl in topaz rhyolite liquids have been investigated experimentally at 2000, 500, and ≈1 bar and 700° to 975°C. Chloride solubility ...
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(2000)The effects of pressure and oxygen fugacity (fO2) on trace element partitioning between pargasitic amphibole and alkali-basaltic melts have been determined at pressures from 1.5 to 2.5 GPa and oxygen fugacities at 2 log ...
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(2000)The effects of pressure and oxygen fugacity (fO2) on trace element partitioning between pargasitic amphibole and alkali-basaltic melts have been determined at pressures from 1.5 to 2.5 GPa and oxygen fugacities at 2 log ...
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(2003)This paper presents three series of sandbox experiments of extensional deformation in granular material. The dependence of the developing shear band system on different boundary conditions and material properties is ...
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(2006)The speciation of carbon in subseafloor hydrothermal systems has direct implications for the maintenance of life in present-day vent ecosystems and possibly the origin of life on early Earth. Carbon monoxide is of particular ...
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(1996)In this study sulphur isotope fractionation between undissociated dissolved H2S and H2S gas has been investigated experimentally. Such measurements were carried out at temperatures of 11o, 20o and 30oC. The experiment was ...
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(2004)The temporal permeability, porosity, and reactive surface area evolution during dissolution of nonfractured/clay-free Fontainebleau sandstone cores was measured using a flow through percolation reactor. Four core dissolution ...
Now showing items 5100-5119 of 39375