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Геология России: Recent submissions
Now showing items 441-460 of 41109
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(2006)The eastern part of the Baltic Shield contains an abundance of acid rocks with positive Eu anomalies. These rocks are vein granites and blastomylonites of similar chemical composition but with variable K2O concentrations. ...
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(2006)This paper presents data on the concentration and composition of organic substances, lipids, and hydrocarbons, in the snow-ice cover of fast ices and continental lakes of Antarctica. It was shown that organic compounds ...
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(2006)Current ideas on the dynamics of the Antarctic ice sheet are based on geodetic observations that only register the glacier surface flow, whereas theoretical models of dynamic processes inside the ice sheet are of a ...
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(2006)The zonal contact-metamorphic aureoles around intrusions provide insight into the thermal impact of magma on country rocks. The issue of conductive heating of rocks without the participation of fluid was scrutinized. The ...
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(2006)Data on the carbonate abundance in the Earth’s sedimentary shell and, respectively, the average composition of the latter indicate an excess of Ca, i.e., its amount in magmatic rocks feeding the sedimentary process is ...
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(2006)In recent decades, problems of the active role of fluid factor in the structural transformations of lithosphere matter and its influence on the genesis of oil and ore deposits have been discussed in several publications. ...
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NEW MINERALOGICAL AND GEOCHEMICAL DATA ON LEAD-ZINC DEPOSITS OF THE SADON ORE FIELD, NORTH OSSETIA (2006)New mineralogical data have been recently obtained on the Nizhnii Zgid and Dzhimidon deposits. A wide diversity of bismuth minerals was first found and identified in the ores. These are native bismuth, bismuthinite, cosalite, ...
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(2006)An experiment was carried out on the synchronous recording, in cloudless summer conditions in the middle region of Russia, of variations in the vertical component of electric field intensity E'; temperature; and the wind ...
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(2006)In eastern Chukotka, acid alkaline rocks of supposedly Tertiary age have been found within the Amguema–Kanchalan volcanic field (AKVF) of the Okhotsk–Chukotka volcanoplutonic belt (OCVB) during systematic prospecting as ...
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(2006)Radiolarians and inoceramids in Santonian–early Campanian neritic facies of northwestern Kamchatka were known long ago. The radiolarian assemblage, which includes 25 species, originates from carbonate concretions in the ...
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SEISMOGENIC DEFORMATIONS IN EARLY HOLOCENE SEDIMENTS OF THE PECHENGA RIVER TERRACE (KOLA PENINSULA) (2006)The Kola Peninsula, an element of the northwestern Baltic Shield, is not a high-seismicity region at present. This has not always been the case, however, as is evident from seismic paleodeformations reflecting strong ...
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(2006)We found carbonatite tuffs among eruption products of the early Neogene Amba Volcano in southwestern Primorye. The volcanic edifice occupies an area of ~20 km2 in the middle reaches of the Amba River at a distance of 28 ...
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(2006)Sakhalin Island attracts the attention of geologists owing to its location at the boundary of the Sea of Okhotsk and Amur lithospheric plates expressed in a series of diverse faults [2, 3]. According to, the near-horizontal ...
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(2006)Callovian stratigraphy is usually based on ammonites, while foraminiferal assemblages are correlated with the ammonite scale. Precisely this approach was used for elaborating the Callovian stratigraphic scale for the Russian ...
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(2006)Metamorphic rocks of the Kozhubaevo Complex (KC) surround the Dzhabyk–Karagai granite massif in the north and northwest. Together with granites, the metamorphic rocks belong to the Ural–Tobol’sk anticlinorium of the East ...
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(2006)According to the theory based on the principle of local chemical equilibrium in the solution–rock system, the metasomatic zonation is divided into the infiltration and diffusion dynamic types. The formation of zonality ...
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(2006)Sharp variations in organic matter (OM) maturity with depth in sedimentary basins reflected in an abrupt increase in vitrinite reflectance (%Ro) can be caused by both the thermal effect of intrusions accelerating OM ...
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(2006)Various models of evolution of the northwestern Pacific folded fringing during the Cretaceous were proposed in recent decades. Almost all of them consider the Late Cretaceous geodynamic evolution of the region as spatiotemporal ...
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(2006)A method was developed for the experimental and theoretical determination of nonequilibrium radiation cooling of a flame based on experimental data on its temperature and chemical composition of fuel. We obtained information ...
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(2006)Ringwoodite, a high-density olivine modification, was first synthesized by loading plagioclase-biotite-quartz schist containing garnet and staurolite by impact waves. Ringwoodite was identified in the impact-thermal ...
Now showing items 441-460 of 41109