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Геология России: Recent submissions
Now showing items 141-160 of 41505
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(2006)The geological structure and gold ore potential of the activized Aldan-Stanovoi and Sino-Korean shields of East Asia are compared. These two regions show similar tendencies in their geological evolution during the Archean, ...
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(2006)Genesis of deposits in the world's largest Witwatersrand auriferous region (South Africa) remains a debatable issue over several decades. Based on geological and mineralogical-geochemical investigations, we previously ...
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(2006)Sulfide ore samples recovered by corers from and beyond Orebody 1 in the Logatchev-1 hydrothermal field (Mid-Atlantic Ridge, 14°45′ N) are studied by optical, electron microscopic, X-ray microspectral, and X-ray diffraction ...
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(2006)The previously published and newly obtained geological and geochronological (Rb-Sr and Ar-Ar) data show that the igneous rocks and products of hydrothermal alteration in the Dukat ore field pertain to two ore-forming ...
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(2006)A detailed analysis of the reflectance spectrum of asteroid 3628 Božněmcová, previously identified as a possible ordinary chondrite parent body, indicates that its surface consists of an assemblage dominated by clinopyroxene ...
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ORIGIN OF CENOMANIAN NODULAR PHOSPHORITES IN THE DNIEPER-DONETS DEPRESSION (PALEOGEOGRAPHIC ASPECT) (2006)Paleogeographic settings of the Dnieper-Donets Depression are discussed with consideration of its Cenomanian provenance, land-sea proportions, and paleoclimate. The role of the Jurassic-Cretaceous weathering crust that ...
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(2006)The influence of clay content in sandy and clayey soils on hydraulic conductivity (filtration coefficient) is considered. A review of published experimental data on the relationship of hydraulic conductivity with soil ...
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(2006)The Patom Complex is characterized by a unique association of carbonate rocks with ultralow (≤8‰) and ultrahigh (>6‰) δ13C values. The thickness, stable isotopic composition along the strike, and lithological and geochemical ...
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(2006)The World average Se content in coals (coal Clarke of Se) for hard coals and brown coals are respectively 1.6 ± 0.1 and 1.0 ± 0.15 ppm. On an ash basis, these contents are greatly increased and are 9.9 ± 0.7 and 7.6 ± 0.6 ...
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(2006)There have been three episodes of lava dome growth at Shiveluch volcano, Kamchatka since the Plinian explosive eruption in 1964. The episodes in 1980-1981, 1993-1995 and 2001-2004 have discharged at least 0.27 km3 of silicic ...
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(2006)Charnockitic suites in central Dronning Maud Land (DML), Mac.Robertson Land (MRL), and the Bunger Hills area are compositionally varied and probably include both mantle and lower-crustal components. In this paper we present ...
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(2006)Low Sr and Ca contents in fine-grained terrigenous rocks of the Vendian sedimentary cover in the East European Platform may be related to the following reasons: (1) the absence of authigenic carbonates in Vendian mudstones ...
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(2006)A coupled model of the hydrological and carbon cycles in the soil-vegetation-atmosphere system is suggested. The model describes the interception and evaporation of precipitation by canopy, transpiration, vertical transfer ...
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(2006)Pseudoemiliana lacunosa, Gephyrocapsa oceanica and Emiliania huxleyi (Ionian) (Pleistocene-Holocene) calcareous nannoplankton zones were identified from 82 samples of 14 cores taken from 8 locations in the northeastern Sea ...
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(2006)The main features of the tectonics, Permian paleogeography, biota, structural-facies zonation of the Kolyma-Omolon region are analysed. The characteristics of the Permian regional stratigraphic scale of the Kolyma-Omolon ...
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(2006)Compaction localization was observed in Diemelstadt sandstone during triaxial experiments over a broad range of effective pressures (60-165 MPa). High resolution X-ray CT imaging was used to resolve the 3D the geometry of ...
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(2006)We present the interpretation of 11 radio echo-sounding (RES) missions carried out over the Vostok-Dome Concordia region during the Italian Antarctic expeditions in the period 1995-2001. The extension and the density of ...
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(2006)We report a direct comparison of scaled analogue experiments to test the reproducibility of model results among ten different experimental modelling laboratories. We present results for two experiments: a brittle thrust ...
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(2006)Field records for small source-receiver offsets often contain intensive converted PS-waves that may be caused by the influence of anisotropy on either side of the reflector. Here, we study the small-angle reflection ...
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(2006)The Okavango Delta is a flood-pulsed wetland, which supports a large tourism industry and the subsistence of the local population through the provision of ecosystem services. In order to obtain insight into the influence ...
Now showing items 141-160 of 41505