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Now showing items 14458-14477 of 42285
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(2006)Least-squares linear regression is so popular that it is sometimes applied without checking whether its basic requirements are satisfied. In particular, in studying earthquake phenomena, the conditions (a) that the uncertainty ...
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(1988)The periodicity of geologic processes is one of the main, still unsolved problems of geology. The study of geodynamic and metamorphism now allows this problem to be posed on a new level. The key to such an approach could ...
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(1998)Most quantitative models of mantle mixing have been based on simulations of tracer advection by 2-D flows. The present work shows that the mixing properties of 3-D time-independent flows cannot be understood or extrapolated ...
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(2001)The evolution of foraminifers during the Jurassic is considered in two aspects. The evolutionary aspect proper was analyzed using the internal biological features of these organisms and history of this faunal group was ...
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(Общество с ограниченной ответственностью «Георесурсы», 2018)The article presents known results of theoretical and experimental works, describing the regularities of the formation of fractured-block structures in platform areas. The above examples of mapping such structures in Western ...
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(2001)The analysis of geotectonic settings and the planetary distribution of phosphate ores revealed that apatite deposits are confined to the continental rift zones with the uplifted Moho discontinuity, while phosphorite deposits ...
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(1998)Processes responsible for the alternation of flora evolution stages are analyzed on the basis of the Late Cretaceous floras from northeastern Russia, among them two paleofloral successions from the Penzhina Bay ...
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(2003)A principal feature of stratiform basic-ultrabasic intrusions is alternation of rocks characterized by different proportions of the salic (plagioclase) and mafic (mainly pyroxene) constituents. Owing to considerable density ...
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(2006)Main aspects of the theory and methods of measurement of trace element distribution coefficients in water-salt systems are discussed. Data on the interphase distribution of Br, Rb, Cs, and Tl in chloride systems were used ...
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(2003)A sequence of aftershocks is modelled assuming fluid migration in a narrow, porous fault zone formed along a vertical strike-slip fault in a semi-infinite elastic medium. The principle of the effective stress coupled to ...
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(2001)Controversy still exists on whether rhythmic features such as beach cusps are the result of the presence of standing edge wave motions in the hydrodynamics or if they are the result of self-organising processes. The ...
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(2003)Spherical cap harmonic analysis has become a well-known technique for regional modelling of fields that can be expressed as the gradient of a scalar potential, such as for example the geomagnetic field and its secular ...
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(PANGAEA, 2016-09-22)The large amounts of soil organic matter (SOM) in permafrost-affected soils are prone to increased microbial decomposition in a warming climate. The environmental parameters regulating the production of carbon dioxide (CO2) ...
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(1890)Der Geologe Karl von Ditmar erkundete von 1851 bis 1855 im Auftrag der russischen Regierung die Bodenschätze Kamčatkas. Dabei erforschte er das Land und seine Bevölkerung aber weit über diesen Autrag hinaus, was seine ...
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(Buchdruckerei der Kaiserlichen Academie der Wissenschaften, 1890)Der Geologe Karl von Ditmar erkundete von 1851 bis 1855 im Auftrag der russischen Regierung die Bodenschätze Kamčatkas. Dabei erforschte er das Land und seine Bevölkerung aber weit über diesen Autrag hinaus, was seine ...
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(1900)Der Geologe Karl von Ditmar erkundete von 1851 bis 1855 im Auftrag der russischen Regierung die Bodenschätze Kamčatkas. Dabei erforschte er das Land und seine Bevölkerung aber weit über diesen Autrag hinaus, was seine ...
Now showing items 14458-14477 of 42285