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Browsing ELibrary by Title
Now showing items 3378-3397 of 21934
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(2003)Earthquakes are an important source of knowledge on mode of deformation and strength of rocks. According to the available hypocenter locations and recent relocations, most of seismicity in the Baikal rift is confined to ...
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(1990)The system of stresses in the lithosphere (0–59 km) and upper asthenosphere (60–150 km) was analysed on the basis of focal-mechanism data for events of M > 5.0 in 1964–1982. The zoning was made considering types of faulting ...
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(2003)Engineering seismology is the link between earth sciences and engineering. The main input of engineering seismology in engineering design are loading conditions which must satisfy certain conditions regarding their level ...
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(1997)Earthquake prediction is an area of research of great scientific and public fascination. The reason for this is not only that earthquakes can cause extremely large numbers of fatalities in a short time, but also because ...
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(2004)The recent scientific advances in understanding the hierarchical nature of the lithosphere and its dynamics based on systematic monitoring and evidence of its space-energy similarity at global, regional, and local scales ...
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(1988)A new seismometer design based on the interaction of the sensor component of the instrument with the earth's magnetic field significantly broadens the range of frequencies recordable by a single instrument. This design ...
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(2004)A mid-ocean ridge transform fault (RTF) of length L, slip rate V, and moment release rate M can be characterized by a seismic coupling coefficient χ = AE/AT, where AE ∼ M/V is an effective seismic area and AT ∝ L3/2V-1/2 ...
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(2004)Relying on basic physics, laboratory and field evidence, and accounting for the different timescales involved, we derive an approximate energy function for earthquakes. The fracture term is disregarded because virtually ...
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(1993)Glaciations have occurred episodically at different time intervals and for different durations in Earth's history. Ice covers have formed in a wide range of plate tectonic and structural settings but the bulk of Earth's ...
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(2006)In spite of significant quantity of publications, devoted to different aspects of the East European (Russian) platform geology, the joint analysis of structure and sedimentation evolution has not been made. The paper deals ...
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(2002)Lacking detailed seismic data on the crustal structure of Anatolia and the transition to the Black Sea, it is attempted to invert gravity for crust-mantle structure with constraints from the limited a priori information ...
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ECHINODERM SKELETAL PRESERVATION: CALCITE-ARAGONITE SEAS AND THE MG/CA RATIO OF PHANEROZOIC OCEANS (2004)The alternation between abiotic calcite and aragonite precipitation in shallow seawater and the oscillation of seawater Mg/Ca ratio throughout the Phanerozoic are both popular hypotheses. Echinoderms with well-preserved ...
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(2002)The type material on the genus Washitaster Lambert from the Upper Albian of Texas is reexamined, and the genus is assigned to the Toxasteridae. The most important character of this genus is the presence of multiple fasciole ...
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(2004)Metasomatic amphibole-eclogite sequences grew in selvages of quartz veins from the Marun-Keu complex (Polar Urals, Russia) during high-pressure metamorphism. Relicts of a pre-metasomatic eclogite-facies assemblage are ...
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(2001)Haüy coined the term eclogite, meaning “chosen rock”, in 1822, but de Saussure had already observed rocks of this type in the Alps four decades earlier. Throughout the 19th century, the origin of eclogite remained an enigma, ...
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(2001)Petrochemical and geochemical data make it possible to characterize the nature of the protolith of a boudin from the lower unit of the Maksyutov Complex. The eclogite was determined to have developed after igneous rocks ...
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(1996)The first ion-probe trace element analyses of clinopyroxene-garnet pairs both included within diamonds and from the eclogite host xenoliths are reported; these diamondiferous eclogites are from the Udachnaya and Mir ...
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(2000)Analytical transmission electron microscopy (ATEM) was used to characterize mineral parageneses occurring in melt veins of shock origin in the Martian meteorite Zagami. We discovered a new ultra-high pressure 'eclogite ...
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(2003)Trace fossils represent the preserved interactions of trace making organisms with their environment. The form of traces should result from complex interactions among the organism's morphology, the behavior being carried ...
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(2002)The Middle to Upper Paleolithic transition in Western Europe is characterized, from an ecological point of view, by large-ungulate communities adapted to cold climatic conditions. The aim of this study is to reconstruct ...
Now showing items 3378-3397 of 21934