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Browsing ELibrary by Title
Now showing items 3294-3313 of 21934
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(2004)The development of instability and retrograde saturation of magma melts as a result of their cooling are accompanied by the following complex dynamics of phase front evolution near the upper contact of igneous bodies at ...
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(1987)A discussion is presented of the problem of the ascent of a certain volume (body) of light matter in a homogeneous upper mantle. Experimental data indicate that during ascent, the upper boundary should be deformed and ...
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(2000)Composition of the Jurassic (Hettangian-Tithonian) foraminiferal communities in three paleozoochores: Tethyan, Boreal-Atlantic, and Arctic, is considered. Foraminiferal taxons of all ranks (from species to orders) are ...
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(2004)The spectral analysis of the TERRA-ASTER satellite image of the Caspian Sea surface revealed the active fluidal dynamics in underwater mud volcanoes and fault zones. The images clearly show the mass release of hydrocarbons ...
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(2004)We have performed a parametric study on the dynamics of trachytic (alkaline) versus rhyolitic (calc-alkaline) eruptions by employing a steady, isothermal, multiphase non-equilibrium model of conduit flow and fragmentation. ...
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(2003)Gas exsolution and segregation are fundamental controls on eruption dynamics and magma genesis. Basaltic magma loses gas relatively easily because of its low viscosity. However, bubbles grown by decompression and diffusion ...
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(1999)On the basis of thermodynamic-potential minimization, an approach to construction and investigation of simulation models of dynamic megasystems has been developed. Dynamic megasystems are chemically interacting natural and ...
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(2001)Convection in the upper mantle has been investigated in the Boussinesq approximation with due regard to four solid-phase transitions above the "perovskite" transition at a depth of 670-700 km for systems of two types: (1) ...
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(1989)There exists an enormous literature on the evolution of acidic magmas in the zone of contact of sialic rocks with intruded mafic melts. It is generally thought that the resulting contact melting is likely to be important ...
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(2001)Kinetic parameters of in elastic zone of rock mass deformed with explosion have been considered. Action of explosion on the rocks has been discussed. Mathematical model of explosion of concentrated charge in rock has been ...
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DYNAMICS OF SEA MAMMAL AND BIRD POPULATIONS OF THE BERING SEA REGION OVER THE LAST SEVERAL MILLENNIA (2004)The secular dynamics of sea mammal and bird populations of the Bering Sea region over the last several millennia are reconstructed. We identify osteological material from the cultural layers of ancient sea-mammal hunter ...
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(2002)Altai mountain glaciers are the important indicators of climate variations in the inner part of Eurasia. Analysis of stadial moraines quantity will allow to find out long period temperature and precipitation fluctuations ...
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(2001)The main stages of deformation of Meso-Cenozoic age of the Crimean peninsula were identified on the basis of structure-parageneses and kinematic analyses of cracks and glide planes. The Late-Jurassic age of the Karadag ...
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(2001)The main deformation stages of Mesozoic-Cenozoic deposits in the Crimean Peninsula were identified on the basis of structural-paragenetic and kinematic analyses of cracks and glide planes. The Late-Jurassic age of the ...
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(2001)The dynamics of the marine faunal diversity in the Phanerozoic are analyzed on the basis of the total duration of genera (D). The diagramatic representation of D is more regular and thus easier to interpret than the ...
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(2004)The 137Cs concentration in the bottom sediments 10-20 yr ago was many times (locally, by an order of magnitude) higher than present-day level. The levels observed in 2003 reflect the present-day radianon background related ...
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(2002)Fossil remains of 11 shrew species from the Bliznets cave (southern Primorie Region) are examined. The changes of shrew species composition from the Upper Pleistocene to the present days are traced. The relations between ...
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(2004)Neutron scattering has been used to study the dynamics of trimethylene oxide (TMO) in a structure II clathrate hydrate. Two regimes of guest dynamics have been identified in the range 10 K to 100 K. Below 50 K, the hydrogen ...
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(2000)The ascent of gas-saturated magma in a conduit can lead to the transition from the laminar flow of a bubble-rich melt to the turbulent flow of particle-rich hot gas in upper part of the conduit. This process is investigated ...
Now showing items 3294-3313 of 21934