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GeologyScience Repository: Recent submissions
Now showing items 141-160 of 41010
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(2006)The diversity of the brachiopods in the Northern Caucasus significantly fluctuated throughout the Paleozoic-Mesozoic. Weak diversifications occurred in the Middle Cambrian, Late Silurian - Early Devonian, and Late Devonian ...
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(2006)Experimental data have established the preservation of mesoscale stability from year to year in the distribution of 12 chemical elements in samples of insoluble particles in the snow cover of the Altai Territory over an ...
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(2006)Tropical cyclones (typhoons, hurricanes) are the largest and most destructive natural whirls arising from the interchange of energy between the ocean and atmosphere. Hurricanes are a primary subject of investigation in the ...
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(2006)The earthquakes of December 26, 2004, (magnitude Mw = 9.3; epicenter coordinates 3.3° N, 96.0° E; depth h ≈ 30 km [1, 2]; approximately 300 000 victims due to the tsunami on the Indian Ocean coast) and March 28, 2005, (Mw ...
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COMPARATIVE ANALYSIS OF THE MICROELEMENT COMPOSITION OF SESTON AND BOTTOM SEDIMENTS IN THE WHITE SEA (2006)Несмотря на то что планктон играет важную роль в биогеоХ:имических процессах, происходящих в океане, данных о его элементном составе все же недостаточно, особенно для шельфовых морей Арктики. Настоящая работа посвящена ...
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(2006)The present paper is devoted to the geochronological and isotope–geochemical study of one of the reference (but insufficiently studied) terranes of young granitoid magmatism in the Kazbek neovolcanic area of the Greater ...
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(2006)There are many unresolved problems in the reconstruction of the Late Paleozoic evolution of the Caucasus and Fore-Caucasus, including the following: (1) the position of the suture of the old pre-Visean ocean (Prototethys?); ...
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(2006)The Last Glaciation covered limited areas in the northeastern Asia. Even in the Kamchatka Peninsula, where valley glaciers were more than 100 km long, the névé line is located at the altitude of 700–800 m on the Kronotskii ...
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(2006)Supramolecular chemistry deals with the behavior of molecular individuals and populations: the social and “class” structure of an organized community of individuals, its stability and fragility, and the tendencies of ...
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(2006)Russia’s oil resources that open onto oil rims make up approximately one-third of the total reserves. They are characterized as hardly recoverable deposits. The coefficient of oil recovery (COR) is an integral indicator ...
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(2006)Large and superlarge (giant) deposits are commonly accompanied by a halo of veined satellite deposits (hereafter, satellites) showing a strong mineralogical-geochemical link with ores of the deposits. Mineralogical–geochemical ...
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(2006)The genesis and composition of lazurite was considered in the metasomatic rocks and deposits of the Baikal area, Pamirs, Hindu Kush, and other regions. It was shown that formation of lazurite is related to the prograde ...
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(2006)The first Sm-Nd and Rb-Sr dates were obtained for the dynamometamorphic processes associated with the origin and evolution of the Moncha Tundra fault, Kola Peninsula, which separates two large Early Paleoproterozoic layered ...
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(2006)Silica and alumina transfer during the dissolution and growth of quartz, corundum, and topaz in supercritical aqueous fluids have been experimentally studied under a direct temperature gradient, and the possibility for ...
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(2006)A comparative geochemical study of rare-metal granitoids with various fluorine-bearing minerals (fluorite, topaz, and cryolite) was carried out. It was shown that these rocks correspond to both plumasitic and agpaitic ...
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(2006)In the last decade, the development of borehole magnetometry has been determined by the increasing demand for magnetometric equipment and by the broadening scope of its application. At present, two types of three-component ...
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(2006)Rare-earth elements (REE) are widely used as indicators of the conditions under which rocks and minerals were produced. This paper reports the results of our study of REE in granites and minerals from quartz zones with ore ...
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(2006)This paper presents materials on one of the units with PGE ore mineralization in the Pana Massif: the results of a detailed petrographic study and microprobe analyses of silicate and sulfide minerals and of the examination ...
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(2006)The problem of runup of long nonbreaking waves on a plane slope is well developed from the mathematical point of view within the framework of nonlinear theory of shallow water, which allows for an analytical solution using ...
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(2006)The paper presents a review of publications devoted to the mathematical simulations of natural systems whose large spatiotemporal scales make impossible their adequate experimental modeling in nature. The studies include ...
Now showing items 141-160 of 41010