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Browsing ELibrary by Title
Now showing items 3300-3319 of 21934
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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 ...
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(1997)During the ARCTIC '91 expedition aboard RV Polarstern (ARK VIII/3) to the Central Arctic Ocean, a box corer sample on the Gakkel Ridge at 87°N and 60°E yielded a layer of sand-sized, dark brown volcanic glass shards at the ...
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(2001)A review is presented of the currently available evidence of life in the Precambrian, with special reference to microfossils of the size range 0.1-3 μm. The particles are spotted in thin sections of the rock under high ...
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(1989)The oldest supracrustal rocks of the Olekma granite-greenstone region constitute a large 0.8 × 9.5-km erosion remnant among infracrustal formations of the Olekma granite-gneiss complex. They are components of the so-called ...
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(1996)The Neoproterozoic–Cambrian succession in the Zavkhan Basin of western Mongolia preserves early Cambrian bioconstructions of Nemakit-Daldynian to Botomian age. As elsewhere (Siberia, Morocco), the Nemakit-Daldynian ...
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(2002)The end of the Proterozoic–beginning of the Cambrian is marked by some of the most dramatic events in the history of Earth. The fall of the Ediacaran biota, followed by the Cambrian Explosion of skeletonised bilaterians, ...
Now showing items 3300-3319 of 21934