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Browsing Геология России by Title
Now showing items 4029-4048 of 39126
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(PANGAEA, 2003-06-24)
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(PANGAEA, 2016-02-19)Biogeochemical measurements in sediment cores collected with the submersible JAGO (pusch cores) and a TV-MUC in the Black Sea during MSM15/1, Northwest Crimea (HYPOX Project), at water depths between 152-156 m. A series ...
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(1993)In this paper we discuss the distribution, geochemical cycle, and evolution of CO2 and N2 in Earth's degassed mantle, atmosphere, and continental crust. We estimate the present distribution of CO2 and N2 in Earth's degassed ...
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(1989)Igneous rocks are currently classified into specific types associated by a common mode of evolution and similar composition. An important aspect of this approach is the identification of groups of igneous rocks with similar ...
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(PANGAEA, 1999-05-17)
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(1999)Biotite and albite grains having a size range from 20 to 124 μm were suspended in Be-bearing solutions at pH 2 to 9 for periods of 30 min to 20 days. The amount of Be sorbed onto biotite is up to 40 times higher than onto ...
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(1998)The Fe, Mg, and vacancy distributions in oxidized olivine of intermediate composition and the crystal structures of associated planar defects were examined by a combination of atomic-resolution transmission electron ...
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(PANGAEA, 1995-01-26)Surface samples from the eastern Barents and south-western Kara seas have been analysed for clay mineralogy. Transport paths, the role of regional sources and local bedrock outcrops and the influence of hydrodynamic and ...
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(2001)A variety of geological, petrological, and geochemical techniques were used in examining the internal structure of the Kivakka layered intrusion, whose thickness attains 2000 m. The following zones were distinguished in ...
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(PANGAEA, 2000-03-15)
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(2004)The distribution of Fe-Ni-Cu sulfide mineral in the section of the layered complex and their characteristics were discussed. The intercalation of low- and high-sulfur sulfide assemblages in the rocks of the Aganozerskiǐ ...
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(2002)The Mossbauer spectra of one chromite at 298 K and one chromite at 298, 200, 170, 140 and 90 K have been analyzed in this study. A Voigt-based quadrupole splitting distribution (QSD) method was used to analyze the spectra. ...
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(1996)The distribution of ferric iron among the phases of upper-mantle rocks, as a function of pressure (P), temperature (T) and bulk composition, has been studied using 57Fe Mössbauer spectroscopy to determine the Fe3+/ΣFe ...
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(1990)We have attempted to study the greenschist rocks of the ZGSFZ in the Tagobikul-Uch Kado-Kumarkh, Sardai Miena-Yagnob-Unzud, Barzangi-Zakhob, Barzangi-Kanyaz, and Dashtikhirson river basins. Au and Ag were determined using ...
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(PANGAEA, 1989-02-25)Distributions of halogens (Cl, Br and I) in interstitial waters from sediments containing methane hydrate and in water of the hydrate itself are presented. High concentrations of halogens do not occur in interstitial waters ...
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(PANGAEA, 1980-03-19)
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(PANGAEA, 2011-10-11)Heavy contaminant load released into the Northern Dvina River during flooding increased the concentrations of aliphatic (AHC) and polcyclic aromatic (PAH) hydrocarbons in water and bottom sediments. The composition of ...
Now showing items 4029-4048 of 39126