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Browsing Геология России by Title
Now showing items 7125-7144 of 39195
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(2004)The viscous flow in the outer core induced by inner core rotation relative to the mantle is computed under the geostrophic approximation for a simple Earth model having a homogeneous, incompressible and viscous outer core. ...
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(PANGAEA, 2018-07-11)Ocean warming and acidification are two important environmental drivers affecting marine organisms. Organisms living at high latitudes might be especially threatened in near future, as current environmental changes are ...
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(IOP Publishing, 2015)The objective of the paper is to characterize the chemical composition of groundwater samples from the monitoring wells drilled in the petrol station areas within the vicinity of Tomsk. The level of contamination has ...
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(PANGAEA, 2015-07-18)Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are bacterial membrane lipids found in several environments, including soils, rivers and lakes, whose distribution varies with temperature and pH, although this ...
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(Федеральное государственное автономное образовательное учреждение высшего образования «Северный (Арктический) федеральный университет им. М.В. Ломоносова», 2019)Researchers at the Seismological Laboratory of the Institute of Geodynamics and Geology of the Federal Center for Integrated Arctic Research of the Russian Academy of Sciences (FCIARctic) have been engaged in the seismological ...
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(2002)Fluxes of particulate organic carbon (POC) through the oxygen deficient waters in the eastern tropical North Pacific were found to be relatively less attenuated with depth than elsewhere in the eastern North Pacific. The ...
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(2004)The paper presents an overview of the scientific research carried out in the frames of Working Group 1 activities of the COST Action 271. The basic objective of this Working Group was the study of the impact of ionospheric ...
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(1996)Asteroids and comets that are vaporized during hypervelocity impact events can inject large masses of S into the stratosphere where it can potentially affect the radiation budget of the Earth, alter the chemistry of the ...
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(2003)Many papers on meteorite impact suggest that large impacts can induce volcanic eruptions through decompression melting of the underlying rocks. We perform numerical simulations of the impact of an asteroid with a diameter ...
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(1995)Imperfections in the perfect fractional melting (PFM) process can ameliorate the drastic “stripping” of incompatible trace elements from the residue which characterises ideal PFM, and the consequent catastrophic collapse ...
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(1993)Noble gases were extracted in steps from grain size fractions of microdiamonds (less than 100 microns) from the Kokchetav Massif, Northern Kazakhstan, by pyrolysis and combustion. The concentration of He-4 in the diamonds ...
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(2003)This paper investigates whether a micromechanical model developed to investigate the relation between the basic failure processes at grain-scale and the macroscopic failure pattern can be applied to model the fracturing ...
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(2003)We analyse the effect of uneven ray coverage in global surface wave tomography. An inhomogeneous distribution of seismic rays may bias tomographic models because certain areas are better sampled than others. It is possible ...
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(1997)Experimental partitioning of platinum-group elements (PGE) Os, Ir, Ru, Pt, and Pd, and Au between (Fe, Ni)-sulfide liquid and basaltic melt have been carried out at high Ni content with 67 ± 1 mol% NiS and 50 to 400 ppm ...
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(Федеральное государственное бюджетное учреждение науки Геофизический центр Российской академии наук, 2015)We present the results of the work which continues our previous studies of the geoacoustic emission (GAE) responses to the weak impacts from the varying electromagnetic fields. In this paper, we analyze the probable influence ...
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(2004)Based on elementary molecular-chemical concepts, one can trace the evolution of the gaseous phase of an endogenic fluid at its temperature equilibrium with host rocks. As can be seen, the final result of this evolution ...
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(2001)Observations from deep boreholes at several locations worldwide indicate that (i) hydrostatic pore pressures persist to depths of as much as 12km in the upper crust, (ii) the brittle crust is in a state of failure equilibrium ...
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(1990)We discuss the geological, geophysical, and petrological observations that constrain the nature of mantle convection in plumes, and show how theoretical models of mantle plumes have developed over the past three decades. ...
Now showing items 7125-7144 of 39195