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Now showing items 7783-7802 of 39124
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(GDMB Verlag GmbH, 2015)In the article, the perspective development of geothermal resources in the Chechen Republic is considered and data on the perspective Khankala deposits of thermal waters is stated. For the estimation on the feasibility of ...
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(1999)Most of the Kharchinskii and Zarechnyi products, as well as those of the Kharchinskii cinder cones, are magnesian rocks. Mineralogical data suggest that both the basaltic and the andesitic magma were rich in water (≥3-4 ...
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(1999)Most of the Kharchinskii and Zarechnyi products, as well as those of the Kharchinskii cinder cones, are magnesian rocks. Mineralogical data suggest that both the basaltic and the andesitic magma were rich in water (≥3-4 ...
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(1999)This paper presents the results of studying the spatial distribution and structural setting of magnesian basalts and andesites in the Northern group of Kamchatkan volcanoes and in the junction zone of the Kuril-Kamchatka ...
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(1999)This paper presents the results of studying the spatial distribution and structural setting of magnesian basalts and andesites in the Northern group of Kamchatkan volcanoes and in the junction zone of the Kuril-Kamchatka ...
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KIMBERLITE MELTS RICH IN ALKALI CHLORIDES AND CARBONATES: A POTENT METASOMATIC AGENT IN THE MANTLE (2004)Kimberlite magmas, as the deepest probe into Earth's mantle (>150 km), can supply unique information about volatile components (hydrogen, carbon, chlorine, sulfur) in mantle-derived melts and fluids. All known kimberlite ...
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(2004)A combined petrological, geochemical, and mineralogical study of Kimberlites of eastern Priazov'e was described. A reliable criteria for the identification of these rocks, to characterize their sources, and to assess their ...
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KINEMATIC AND ANALOG MODELING OF 3-D EXTENSIONAL RAMPS: OBSERVATIONS AND A NEW 3-D DEFORMATION MODEL (2002)We present results of kinematic and dry-sand analog models of hanging wall folding over an extensional ramp-flat system containing complementary strike bends. The kinematic models illustrate that differential structural ...
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(2001)An analysis was made of kinematic and morphometric characteristics of zones of overlapping spreading centers - structures illustrative of spreading ridges with fast and intermediate spreading rates. Three levels of overlap ...
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(2004)Results of fluid dynamical experiments are presented to model the kinematics of lithospheric subduction in the upper mantle. The experiments model a dense high-viscosity plate (subducting lithosphere) overlying a less dense ...
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(2003)The Vendian-Early Cambrian, Middle Cambrian, and Early Ordovician volcanosedimentary deposits of the Martaiga Block of the Kuznetsk Alatau paleoisland arc (55.5° N, 88° E) have been investigated paleomagnetically. Their ...
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(2004)The abundances of 18O and deuterium in the present and past hydrologic cycle have proven to be an important tool in Earth systems science. In contrast, the abundance of 17O in precipitation has thus far been assumed to ...
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(2003)Equilibrium and kinetic Fe isotope fractionation between aqueous ferrous and ferric species measured over a range of chloride concentrations (0, 11, 110 mM Cl−) and at two temperatures (0 and 22°C) indicate that Fe isotope ...
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(2002)Application of the Fe isotope system to studies of natural rocks and fluids requires precise knowledge of equilibrium Fe isotope fractionation factors among various aqueous Fe species and minerals. These are difficult to ...
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(2002)The mass-dependent fractionation laws that describe the partitioning of isotopes are different for kinetic and equilibrium reactions. These laws are characterized by the exponent relating the fractionation factors for two ...
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(1997)A growing body of evidence reveals that much of the silica that crystallizes at the Earth's surface is a finely intergrown mixture of quartz and moganite. To better understand the behaviour of both solid and aqueous silica ...
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(1997)Steady-state dissolution rates of a synthetic basaltic glass were measured in an open-system mixed flow reactor as a function of solution composition at a temperature of 90°C and over the pH range 7.8 to 8.3. The dissolution ...
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(2004)Dissolved oxygen (DO) and organic carbon (Corg) are among the highest- and lowest-potential reactants, respectively, of redox couples in natural waters. When DO and Corg are present in subsurface settings, other couples ...
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(2002)Mass transfer between sulfide and silicate liquids is often discussed by reference to a mass ratio between hypothetical liquid reservoirs at equilibrium, defined as R. In an open system not at equilibrium the mass of ...
Now showing items 7783-7802 of 39124