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Browsing ELibrary by Title
Now showing items 2793-2812 of 17228
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(2001)The backstripping method that is widely used in basin analysis sometimes fails for salt-bearing basins because the highly mobile and buoyant salt deforms its sedimentary overburden. We present a numerical approach for 2-D ...
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(2002)Contaminant transport by groundwater in a sloping aquifer is considered in the case when contaminant plume has a salinity (and density) different from that of the groundwater, and is heat generating. Forced convection is ...
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DYNAMIC WEATHERING MODEL: CONSTRAINTS REQUIRED BY COUPLED DISSOLUTION AND PSEUDOMORPHIC REPLACEMENT (1995)In lateritic weathering parent mineral grains are partly replaced by oxides and oxyhydroxides and partly congruently dissolved. The replacement of a parent grain by an oxide at a site results from the physical coupling of ...
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(2001)Recent field and laboratory studies indicate that the viscosity of the middle and lower continental crust may be 1018 Pa s or less in regions of high heat flow. Such strikingly low viscosities must strongly facilitate ...
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(2004)Using a regional upper-mantle model with an unprecedented spatial resolution of ∼100 m, we have investigated at multiple resolutions the character of incipient magma chambers forming under oceanic arcs. The magma chambers ...
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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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(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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(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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(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 2793-2812 of 17228