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Browsing Геология России by Title
Now showing items 6456-6475 of 39124
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(1985)One of the current models of mantle convection assumes that the circulation takes place in two superimposed layers separated by the 700-km discontinuity. The present study reports two-dimensional numerical experiments ...
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(1990)There exist several gravity and mechanical models of the continental crust that are useful in the study of the interaction between two lithospheric plates. We shall consider a three-dimensional model of the mechanical ...
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(1990)Bouguer gravity anomalies over the Tien Shan and Pamir are large and negative, and therefore consistent with crustal thickening beneath both mountain ranges. Gravity anomalies over the western Tien Shan are within about ...
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(1988)Vertical zoning in massive pyritic copper-zinc sulfide occurrences in the Urals, as expressed in the replacement from the bottom up of pyrite (sulfur) ore by chalcopyrite-pyrite (copper), sphalerite-chalcopyrite-pyrite ...
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(2002)Meteoroids captured by the Earth into orbits with perigees larger than the Earth's radius can graze the atmosphere and travel a long distance, from one to several thousand kilometers, at low altitudes. The dynamics of large ...
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(2004)Great earthquakes, the few largest earthquakes that account for most of the Earth's seismic energy release, have occurred at only a few subduction zones around the world. Strong locking, or 'seismic coupling', of the ...
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(2003)Temporal irregularity of the output of volcanic material is studied for the sequence of large (V ≥ 0.5 km3, N = 29) explosive eruptions on Kamchatka during the last 10,000 years. Informally, volcanic productivity looks ...
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(1988)Geologists have repeatedly formulated ideas concerning great renewals of short duration in the Precambrian history of the Earth, i.e., colossal structural reorganizations, collapses, extensive inversions and changes in ...
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(2003)A new formulation of the Green element method (GEM), based on the transient Green's function of the diffusion differential operator, is herein used to solve the problem of transient flow in multiply layered aquifers that ...
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(2004)We examine the canonical source/Green's function separation problem in the context of teleseismic P wave scattering from receiver-side crust and upper mantle structure. Conventional “receiver function” analysis affords a ...
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(PANGAEA, 2018-08-10)CO2 and CH4 production in aerobic and anaerobic incubation in sediments samples from Muostakh Island (sample code MUO12), the Buor Khaya Peninsula (BK8), and Bol'shoy Lyakhovsky (L14-05 and L14-02). CO2 and CH4 production ...
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(PANGAEA, 2018-08-24)Multibeam echosounder (MBES) data recorded during RV METEOR cruise M84-2 between 26.02.2011 and 02.04.2011 in the Black Sea. The aim of the cruise was to investigate the gas hydrate distribution in sediments of the Black ...
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(2004)We model the inner core by an alloy of iron and 8 per cent sulphur or silicon and the outer core by the same mix with an additional 8 per cent oxygen. This composition matches the densities of seismic model, Preliminary ...
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(IOP Publishing, 2016)The calculation results of ground water equilibrium with the major water-bearing rock minerals (Moldova) are presented under the condition of anthropogenic impact. As a calculation model the HydroGeo software is used. It ...
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(1998)This paper presents the first results of an investigation of the ground-surface ruptures caused by a magnitude 7.0 earthquake and eruptions in the Karymsky volcanic center over the period January 1-2, 1996. The propagation ...
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(1998)Quantitative characteristics are provided for horizontal and vertical ground-surface deformation on Karymsky and Akademii Nauk volcanoes measured after a large (M = 7.0) earthquake and a swarm of smaller events in the ...
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(2002)Temperature–depth data from 14 deep boreholes, located in the Irkutsk amphitheater and Baikal rift zone in Eastern Siberia, have been used to infer ground surface temperature (GST) histories for the last 100 ka. The results ...
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(PANGAEA, 2015-12-09)
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(PANGAEA, 2017-11-27)
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(IOP Publishing, 2016)The paper describes the calculation results revealing groundwater in equilibrium to carbonates and aluminosilicate minerals of country rocks in Narysk-Ostashkinsk area. It was proved that groundwater is in nonequilibrium ...
Now showing items 6456-6475 of 39124