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Геология России: Recent submissions
Now showing items 1441-1460 of 43490
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(2006)We present a revised tectonic interpretation (from ~28 Ma to 3.2 Ma) of the western sector of the Scotia Sea, incorporating new multichannel seismic reflection profiles and magnetic anomaly identifications for the continental ...
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(2006)By analyzing body wave seismograms, we show that the rupture speed on the Main Kunlun Fault during the Mw 7.8 2001 Kunlunshan, Tibet, earthquake was highly variable and the rupture process consisted of three stages. In the ...
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(2006)Systematic stacks of P wave receiver functions (Pds) for 118 global seismic stations yield new transition zone thickness (WTZ) estimates, as measured by the difference in depths between the 410- and 660-km mantle ...
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(2006)This paper presents a comparison between the pattern of surface ruptures produced by a single earthquake and patterns of cumulative deformation. We performed a detailed study of the 1999 earthquake coseismic ruptures and ...
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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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(2006)Iron (Fe) and coexisting Fe3S were studied simultaneously using synchrotron X-ray diffraction and a laser-heated diamond anvil cell (DAC). The thermal equation of state (EOS) of Fe3S was investigated up to pressures of 80 ...
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(2006)Seismic signals generated during the flow and degassing of low-viscosity magmas include long-period (LP) and very-long-period (VLP) events, whose sources are often attributed to dynamic fluid processes within the conduit. ...
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(2006)Many of the papers in this special section were first presented in the session "Rock Magnetism: Fundamentals and Frontiers" at the 2005 Fall AGU meeting. Collectively, they represent the leading edge of research in mineral ...
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(2006)Saturation isothermal remanent magnetization (SIRM) has been studied on submicron hematite powders with grain sizes between 0.12 and 0.52 μm and on 2 to 5 mm natural hematite single crystals before and after zero-field ...
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(2006)Recently, the study of interacting particles was driven by the modeling effort undertaken to interpret first-order reversal curve (FORC) diagrams of natural rocks and sediments. Understanding the effect of magnetostatic ...
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(2006)The global paleointensity database is restricted by the high failure rate of paleointensity analyses. Excluding thermal alteration, failure is usually caused by the presence of multidomain grains and interactions among ...
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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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(2006)We analyze data from 15 decoupled chemical explosions conducted from 1986 to 2002 in Älvdalen, Sweden, recorded on regional seismic stations NORES, HFS, and NORSAR. The explosions were conducted in three approximately ...
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(2006)In many rock magnetic studies, information on magnetic mineralogy is of crucial importance. Besides standard analytical methods, such as X-ray spectroscopy, more sensitive thermomagnetic analyses are often used. Temperature ...
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(2006)The catastrophic rupture of the North Anatolian Fault east of the Marmara Sea on 17 August 1999 highlighted a need for mapping the underwater extension of that continental transform. A new bathymetric map of Izmit Gulf ...
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(2006)The modeling of the statistical distribution of eruptive frequency and volume provides basic information to assess volcanic hazard and to constrain the physics of the eruptive process. We analyze eruption catalogs from ...
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(2006)The superplume hypothesis, particularly for one in the mid-Cretaceous, has stimulated the search for evidence for or against such an event and the associated superswell. An approach based on normal mode relaxation theory ...
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(2006)The movement of the lithosphere over a stationary mantle magmatic source, often thought to be a mantle plume, explains key features of the 16 Ma Yellowstone-Snake River Plain volcanic system. However, the seismic signature ...
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(2006)High-frequency seismograms mainly consist of incoherently scattered waves. Although their phases are more or less random, their envelopes show smooth and stable variations depending on frequency and distance. Envelope ...
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(2006)Tomographic images of the subducting Pacific plate beneath the Izu-Bonin-Mariana arc illustrate a progression of geometries from shallow dipping to vertical from north to south along the arc. Recent advances in technology ...
Now showing items 1441-1460 of 43490