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Browsing ELibrary by Title
Now showing items 5683-5702 of 21934
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(2002)In a way similar to receiver function imaging, coda of the first arrivals can be used to constrain crustal structure along controlled-source refraction profiles with multicomponent recording. Stacked cross-correlations of ...
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(2003)The large-scale continuous GPS networks that have emerged in the last decade have documented a wide-range of aseismic deformation transients that resulted from physical processes such as aseismic fault slip and magma ...
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(2004)Common reflection surface (CRS) stack technology is applied to seismic data from certain areas of the Donbas Foldbelt, Ukraine, after conventional seismic methods gave unsatisfactory results. On the conventionally processed ...
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(2001)Imaging spectrometry from aircraft or satellite borne sensors has many potential ecological applications. This paper reviews its use for the remote sensing of foliar biochemical concentration, as this is an ecological ...
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(1999)The internal structure of the continental lithosphere holds the key to its creation and development, and this internal structure can be determined using appropriate seismic and electromagnetic methods. These two are ...
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(2004)We developed an inversion method to estimate the spatial variation of scattering coefficient from observed envelopes of S coda waves. Synthetic envelopes are calculated on the basis of the single scattering theory, assuming ...
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IMAGING THE HETEROGENEITY OF MINERAL SURFACE REACTIVITY USING AG(I) AND SYNCHROTRON X-RAY MICROSCOPY (2003)Microscopic-scale imaging of reduced zones on the surfaces of minerals can be achieved by reaction with dilute Ag(I) solutions and subsequent analysis using synchrotron X-ray microscopy (XRM) above the Ag K-edge (25.5 keV). ...
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(2003)Palmer and Edmond [Earth Planet. Sci. Lett. 92 (1989) 11-26] indicated that thermally plausible oceanic hydrothermal inputs of strontium to the oceans are not sufficient to balance the riverine input. It has recently been ...
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(2005)α-Amino acids and α-hydroxy acids are well known constituents of several carbonaceous meteorites. One proposed mechanism of their formation is the reactions of CN−, NH3, aldehydes and ketones in aqueous solution, a ...
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(2001)The subject of this paper is the little known anomalous change in the electrical characteristics of the near-ground atmosphere arising a few tens of hours to a few hours before earthquakes. Observations of electric-intensity ...
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(2004)Exsolution (unmixing) of the volatile element-rich phases from cooling and crystallising silicate magmas is critical for element transport from the Earth’s interior into the atmosphere, hydrosphere, crustal hydrothermal ...
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(1996)The literature data of nine different occurrences of coexisting mineral pairs of Ca-amphibole have been studied and the bulk vectors, spanning the miscibility gap, derived. The additive component is always impure Mg-tremolite ...
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IMMISCIBILITY OF ALUMOSILICATE-ALKALI ALUMOFLUORIDE MELTS IN THE LIQUIDUS ZONE (EXPERIMENTAL DATA) (1989)The alkali-alumosilicate system consisting of albite, orthoclase, quartz and water has long been used as a simplified model granite system. Crystallization of granitic magma leaves the residual melt richer in volatile and ...
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(1987)A series of melting tests were conducted on samples of various compositions collected from volcanic rocks of the Rudnyy Altai ore-bearing complexes, as well as from obsidian formed in most recent volcanic eruptions in ...
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(2003)The study of processes related to the heterogenization of fluid released from magma is of special interest because the presence of immiscible fluid phases in melt facilitates the determination of geochemical (ore) ...
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(2004)Melt and fluid inclusions in minerals from the peralkaline granite intrusion and associated mineralized country rocks from the Yermakovka F–Be deposit were studied to characterize the behaviour of trace elements and exsolved ...
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(1999)Coexisting liquids in the SiO2-TiO2-Al2O3 system have been synthesized at 2000 K to 2500 K with a laser-heated air levitation set-up in order to determine the SiO2-TiO2 miscibility gap and its extrapolation to the Al2O3-bearing ...
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(2006)We explore the partial melting behavior of a carbonated silica-deficient eclogite (SLEC1; 5 wt % CO2) from experiments at 3?GPa and compare the compositions of partial melts with those of alkalic and highly alkalic oceanic ...
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(2005)The sorption capacity of montmorillonite clay minerals for small cations, such as Ni2+, can be greatly enhanced by modifying the clay mineral with Al(III). In this study, the mechanisms of Ni uptake by Al-modified ...
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(2002)The potential for incorporation of strontium (Sr) into biogenic Fe(II)-bearing minerals formed during microbial reduction of synthetic hydrous ferric oxide (HFO) was investigated in circumneutral bicarbonate-buffered medium ...
Now showing items 5683-5702 of 21934