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Browsing ELibrary by Title
Now showing items 12138-12157 of 21934
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(2004)Groundwaters, river and lake waters have been sampled from the semi-arid Siberian Republic of Khakassia. Despite the relatively sparse data set, from a diversity of hydrological environments, clear salinity-related trends ...
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(2003)We review observations of bubble size distributions (BSDs) generated during explosive volcanic eruptions and laboratory explosions, as inferred from vesicle size distributions found in the end products. Unimodal, polymodal, ...
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(2000)The authors of this paper discuss the specific geological structure and structural evolution of dome- and shear-type structural features in the region northwest of the Onega Lake. These structural features are associated, ...
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(1999)Numerical modeling of the evolution of plume beneath continental lithosphere with drastic variations in thickness is performed. It is shown that plume beneath continental lithosphere behaved differently than that beneath ...
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(1989)In this paper we will compare the Riphean (Late Proterozoic) ophiolites of the North Baikalian region and Polar Urals of the Bohemian and Saxonian granulite massifs, the Paleozoic ophiolites of West and East Sayan, Urals, ...
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(2000)Radiolarians are protozoans that have existed for more than 500 million years. Paleozoic radiolarians (dating from 550-250 million years ago) were represented by three orders, 16 families, and 76 genera. Eighty per cent ...
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(1998)In this contribution, we have developed an evolutionary model in order to identify and quantify processes which were able to reproduce rare gas and nitrogen isotopic abundances in the main terrestrial reservoirs. The ...
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(2001)The distribution of rock-forming and accessory minerals, major and trace elements in silty-sandy rocks along the tectonic profile was estimated from analyses of composite samples made up of 14000 individual samples, ...
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(1994)Two main geochemiscl types of granites are distingushed in the Salmi pluton: 1) ovoid biotite-hornblende granites, 2) non-ovoid biotite granites. The first one is characterized by higher CO2, CO and CH4 concentrations. The ...
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(1998)During the Upper Triassic times about 75 m of halite with minor anhydrite was deposited in the Lorraine basin. Samples of halite and sulfates were systematically collected from a borehole intersecting the sequence. The ...
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(2004)This paper presents an integrated geophysical study of the southern margin of the East European Craton (EEC) in the Karpinksy Swell-North Caucasus area. It presents new interpretations of deep refraction and wide-angle ...
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(2001)A recently proposed predictive parameter RTL was tested using seismological catalogues of Kamchatka and Japan. We analysed three earthquakes in Kamchatka with M>7 and disastrous Hyogo-ken Nanbu (Kobe) earthquake in Japan ...
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(2004)Smith (1974) derived a set of scalar equations of infinitesimal elastic-gravitational motion for a rotating, slightly elliptical Earth. In the fluid outer core (FOC), the tangential tractions vanish identically and the ...
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(2004)Hydrosaline liquid represents the most Cl-enriched volatile phase that occurs in magmas, and the exsolution of this phase has important consequences for processes of hydrothermal mineralization and for volcanic emission ...
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(2004)The current state of research concerning the extent of Late Pleistocene glaciations in Mongolia and the Russian Altai is summarised. Pleistocene moraines resulting from valley glaciers, plateau glaciers, cirque glaciers ...
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(2002)The Famennian sediments of the southern Transcaucasia are described. The Noravank and Ertich formations are referred to the lower substage of the Famennian, the Kadrli and Shamamidzor formations, to the middle one, and the ...
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(1995)The volume and location of subducted plate, since 130 Ma, are reconstructed from magnetic anomalies and updated finite rotation parameters describing relative motions in the ocean basins and between plates and hotspots. ...
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(2004)Dolomite from the Jhamarkotra phosphate mine (India) contains 680 ppm Mn2+ as indicated by electron-spin resonance spectroscopy (EPR). Dipolar broadening of the EPR signal prevents a quantitative assignment of Mn2+ to the ...
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(2004)The grylloblattid fauna that existed from the Late Permian to the first half of the Triassic is reviewed. Two new species of the family Geinitziidae, Stegopterum anteanatalis sp. nov. (Lek-Vorkuta Forma- tion, Pechora ...
Now showing items 12138-12157 of 21934