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Browsing Геология России by Title
Now showing items 5980-5999 of 39126
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(1997)Research was carried out into the fractionation of carbazoles in oils in connection with the hypothesis that the composition of carbazoles in oils is very sensitive to the process of migration. The original composition of ...
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(1987)Iodine, bromine, and chlorine concentrations were determined in different Antarctic meteorite specimens (eucrites, high-iron and low-iron chondrites) with isotope dilution mass spectrometry. In all Antarctic meteorites ...
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(2002)This article reviews data on the geological structure and chemical compositions of the main rock varieties and typomorphic minerals (muscovites and wolframites) at the Spokoininsk greisen tungsten deposit. The fluid regime ...
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(2005)New data returned from the Mars Exploration Rover (MER) mission have revealed abundant evaporites in the sedimentary record at Meridiani Planum. A working hypothesis for Meridiani evaporite formation involves the evaporation ...
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(2005)The EQ3/6 software package, version 7.2 was successfully used to model scrubbing of magmatic gas by pure water at 0.1 MPa, in the liquid and liquid-plus-gas regions. Some post-calculations were necessary to account for gas ...
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(2001)In order to evaluate the mechanism of production of unusual high-Mg andesite (HMA) magmas, Pb–Nd–Sr isotopic compositions were determined for HMAs and basalts from the Miocene Setouchi volcanic belt in the SW Japan arc. ...
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(2004)In a series of water-rock reaction simulations, we assess the processes of serpentinization of harzburgite and related calcium metasomatism resulting in rodingite-type alteration, and seafloor carbonate chimney precipitation. ...
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(IOP Publishing, 2016)The chemical composition of nitric thermal waters in Jiangxi Province, SE-China, is considered. It is shown that the studied thermal waters are characterized by low TDS (293-412 mg/l), but they always have alkaline or ...
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GEOCHEMICAL PROCESSES AND SOLUTE TRANSPORT AT THE SEAWATER/FRESHWATER INTERFACE OF A SANDY AQUIFER (2005)Geochemical processes occurring at a seawater/freshwater interface were studied in a shallow coastal siliclastic aquifer containing minor amounts of calcite. Data were collected from 106 piezometers in a 120-m transect ...
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(PANGAEA, 2003-11-20)As a part of the Russian-German project "Siberian River-Runoff (SIRRO)" the major element composition of the dissolved load and the major and trace element composition of particulate load and bottom sediment of the Yenisei ...
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(2003)This study investigated possible geochemical reactions during titration of a contaminated groundwater with a low pH but high concentrations of aluminum, calcium, magnesium, manganese, and trace contaminant metals/radionuclides ...
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(2001)Recent theories have proposed that life arose from primitive hydrothermal environments employing chemical reactions analogous to the reductive citrate cycle (RCC) as the primary pathway for carbon fixation. This chemistry ...
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(2004)We conducted a geochemical study of eclogites (40 samples) from a boudin of the Lower Unit of the Maksyutov Complex in the South Urals in order to determine their protolith nature. The eclogites have major element compositions ...
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(1990)The ternary diagrams of the composition of the ores presented shows the relationships among the chief metals in the ores of all the ore districts studied in the ocean by 1988. In contrast to the usual practice, the ...
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(2001)Zeolites are used in numerous agricultural, commercial, and environmental applications (e.g. as soil conditioners and fertilizers, and as adsorbents for ammonia, heavy metals, nuclear and organic wastes). It is important ...
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(2004)The paper describes a principle and algorithm proposed for the cluster analysis of the chemical compositions of rocks from magmatic complexes with the aim of identifying parameters of the spaceless and spatial geochemical ...
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(2006)В статье с использованием описанного ранее принципа и алгоритма кластерного анализа химических составов пород магматических комплексов разработана внепространственная и пространственная геохимическая структура Йоко-Довыренского ...
Now showing items 5980-5999 of 39126