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Now showing items 5733-5752 of 39124
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(1990)The objective of our research was to test how the occurrence of sulfide ores is related to the fractal dimension of faults in the axial zones of midocean ridges. The investigations were based on data collected by teams of ...
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(2003)High-velocity friction experiments on gabbro and monzodiorite, using a rotary-shear high-velocity friction apparatus, have revealed that frictional melting and progressive growth of a molten layer along a fault cause slip ...
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(1997)Mixing processes in mantle convection depend on the rheology. We have investigated the dynamical differences for both non-Newtonian and Newtonian rheologies on convective mixing for similar values of the effective Rayleigh ...
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(2001)Fractal models have been established for the distributions of Au, As, S, Fe, and Si on mineral surface based on perimeter-area power-law association observed in mineral samples from fine-disseminated gold deposits at Jinya ...
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(1990)The concept of a lateral structure of geosystems is most useful in identification of the nature of land use. The properties of lateral structures that exhibit signs of disorder can be determined in terms of fractals. Fractal ...
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(2002)Electrokinetic phenomena in a water-porous medium with a fractal structure above percolation threshold are theoretically investigated. Fracture zone with space-variable porosity is considered as a model of an earthquake ...
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(1996)The low-grade Palaeoproterozoic stratabound banded iron ores of the Krivoy Rog basin (Ukraine) underwent strong tectonometamorphic deformation into superimposed folds of several orders, with amplitudes from centimetres to ...
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(2001)The problem of seismicity physics reduces in a first approximation to the stability of a system of defects in a stress field. The characteristics of fractal properties of the lithosphere throughout its volume can be estimated ...
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(2001)Seismic wave scattering can be used to estimate the fractal structure of the lithosphere. We analyzed the digital seismograms of the aftershocks of the magnitude 6.9 Racha, Caucasus, earthquake of April 29, 1991, at ...
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(2002)A fractal (power-law) distribution is the only statistical distribution applicable to a scale-invariant process. One of the major problems in petrology is the distribution of trace elements in the Earth's crust. Extreme ...
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(2004)The fractional composition of humic acids (HA) as stable Corg forms in the biosphere has been studied for soils of two types (chernozem and dernovo-podzolic) with different mechanisms of humus formation. Radiocarbon ages ...
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(2004)The Rymmen and Eriksberg gabbros preserve the crystallization products of hydrous basaltic liquids, ranging from anorthosite and troctolite to highly fractionated oxide gabbro, diorite, and leucotonalite. The high initial ...
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(2000)A critical review is reported of the crushing technique used for the extraction of the gas content from magmatic crystals. The main objective is the evaluation of the validity and accuracy of the method for obtaining data ...
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(2005)Atmospheric pollution effects on hydrogen fractionation in trees are demonstrated for the first time in this study. The δ2H ring-cellulose series obtained for black spruce trees at a site near a SO2-emitting smelter display ...
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(1999)Natural organic matter (NOM) consists of a complex mixture of organic molecules; previous studies have suggested that preferential sorption of higher molecular weight, more hydrophobic, and more aromatic components may ...
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(2003)Samples from the Kola Superdeep Drillhole (12 262 m), a deep drillhole (1060 m), and from the surface, seaprated by only around 10 km, provided a unique opportunity for direct tracing of delta13C and delta18O changes through ...
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(2003)Samples from the Kola Superdeep Drillhole (12 262 m), a deep drillhole (1060 m), and from the surface, seaprated by only around 10 km, provided a unique opportunity for direct tracing of delta(13)C and delta(18)O changes ...
Now showing items 5733-5752 of 39124