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Browsing ELibrary by Title
Now showing items 2818-2837 of 21936
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(2001)Modern sand from the vast (2430000 km2), high-latitude Lena River watershed occupies a low-lying, mostly unglaciated craton covered by thick, widespread permafrost— totally different from the watersheds of large temperate ...
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(1998)Analysis of experimental and natural data suggests that a pressure increase leads to an increase in the distribution coefficient of potassium between immiscible silicate and salt (carbonate or chloride) liquids, since the ...
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(1986)A review of previous work on modern and ancient deep-water facies, processes and models is presented with a new classification scheme involving 40 distinct facies related to 15 conceptually distinct facies groups. These ...
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(2001)The paper presents an attempt to describe water exchange in Lake Baikal proceeding from interpretation of tracer (freon-12) contents and temperature of water. Destruction of the metastable equilibrium of the surface water ...
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(1988)For a comparative evaluation of the defect capacities of minerals of various structural types, we used microindentation with a Mikroharterprufer diamond indenter accessory of the MeF general-purpose microscope. The increase ...
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(2001)Linear regression procedures can be applied to derive spectral endmembers using satellite images and superimposed abundance estimates of known components. A common problem, however, is represented by the spatial variability ...
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(2001)We consider deformation due to sill-like magma intrusions using a model of a horizontal circular crack in a semi-infinite elastic solid. We present exact expressions for vertical and horizontal displacements of the free ...
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(2004)Several ductile shear zones developed at depth of 680 - 1200m of CCSD. The main rock types in the shear zone include gneisses and UHP eclogites. The strain axes of deformed quartz in gneisses and stretch garnets and ...
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(2001)High density of GPS network in the Tien Shan and long period of observations have allowed us to construct a velocity vector field of movement on the Earth's surface and a strain rate field. A compact uniform area of ...
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(2003)Room temperature investigations on the shear stress and deformation mechanisms of (Mg0.9Fe0.1)SiO3 perovskite are performed in situ up to 32 GPa using radial X-ray diffraction and the diamond anvil cell as a deformation ...
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(2002)The calculation of the deformation due to shear and tensile faults in a half-space is a fundamental tool for the investigation of seismic and volcanic sources. The solution of the two-dimensional problem of a long inclined ...
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(2003)This paper analyzes the deformational behavior of mutually interacting spherical inclusions in a multiple inclusion system, considering two physical factors: viscosity ratio between inclusion and matrix (m) and the ratio ...
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(2001)Experimental and natural investigations of partially molten granite are compared and reviewed. Experiments suggest that deformation of partially molten granite with low-viscosity melt (104 Pa s) exhibits a rheological ...
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(1995)Two carbonado diamonds were studied for helium diffusion by employing incremental stepwise-heating for temperature ranges from 350 to 1800°C. Arrhenius plots of experimental data demonstrate that there exist two degassing ...
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(1997)Recently, it has been reported that the element polonium degasses from mid-ocean ridge and seamount volcanoes during eruptions. Published and new observations on other volatile metal and metalloid elements can also be ...
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(2001)A new model is proposed for passive degassing from sub-volcanic magma chambers. The water content in stably stratified shallow magma chamber will be equated to its solubility at the upper boundary by convection. Water from ...
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(2004)Changes in the concentrations of atmospheric greenhouse gases constitute an important part of global climate forcing. Here we present the first continental evidence for climatically caused changes in a methane gas hydrate ...
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(2002)A series of microcosm experiments was conducted to examine the influence of different mixing processes on algal lipid degradation in surficial sediments. The experiments simulated 3 different mixing regimes: bioturbated, ...
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(2001)Zircon crystallized from felsic magmas typically (if not ubiquitously) develop compositional growth zonation that is easily imaged by cathodoluminescence (CL). This zonation represents inherently unstable chemical gradients ...
Now showing items 2818-2837 of 21936