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Now showing items 8828-8847 of 43490
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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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(2006)Suites of mantle-derived xenoliths in volcanic rocks provide estimates of the geothermal gradient and composition of the subcontinental lithospheric mantle (SCLM) at the time of the volcanic eruption. The development 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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(2006)We introduce a method for imaging heterogeneity at and near interfaces in Earth's lowermost mantle with broadband, three-component seismograms from global seismograph networks. Our approach is based on inverse scattering ...
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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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(2006)Compaction localization was observed in Diemelstadt sandstone during triaxial experiments over a broad range of effective pressures (60-165 MPa). High resolution X-ray CT imaging was used to resolve the 3D the geometry of ...
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(2006)A high-resolution image of the base of the lithosphere from S-to-P converted seismic waves revealed the collision architecture of the Indian and Asian continental plates beneath the Tibetan Plateau. The base of the Indian ...
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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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(2006)In southern and central Alaska the subduction and active volcanism of the Aleutian subduction zone give way to a broad plate boundary zone with mountain building and strike-slip faulting, where the Yakutat terrane joins ...
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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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(2006)Many geologists suggest a determinative role of folding in the formation of the Northwestern Caucasus structure. Mapped or drilled thrusts are considered minor structures complicating steep fold limbs. Moreover, they are ...
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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 ...
Now showing items 8828-8847 of 43490