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Browsing Геология России by Title
Now showing items 4085-4104 of 39126
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(2001)The Cretaceous/Tertiary (K/T) boundary, with an age of 65 million years before present, is associated with the mass extinctions of dinosaurs and other terrestrial and marine organisms. Evidence for the K/T boundary is ...
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(2002)It has recently been shown that membrane lipids of marine crenarchaeota, a ubiquitous and abundant component of plankton, occur in relatively high concentrations in recent and ancient sediments. In this study we investigated ...
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(1999)Although recent research has indicated that bacteria may contribute an important fraction of biochemical residues in terrestrial and marine environments, it is difficult for geochemists to identify contributions from these ...
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(1988)The increased sensitivity and frequency resolution of the laser-interferometric strain seismometer makes it possible to undertake new types of investigation of the correlation between high-frequency microseism-induced ...
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DISULFIDE DISPROPORTIONATION AND CDS FORMATION UPON CADMIUM SORPTION ON FES2 - THEORY AND EXPERIMENT (2000)Adsorption reactions are important for understanding the distribution of ions between aqueous and solid phases; they govern solution concentrations, bioavailability, and mobility of ions in the environment. Iron disulfide ...
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(1988)The paper reports on a study which shows that there is a diurnal variability in the distribution of suspended forms of heavy metals; the temporal variation in the concentration of suspended matter and in the suspended forms ...
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(2004)Compounds that contain the autunite-type sheet and divalent cations (Mg, Mn, Fe, Co, Ni) in their interlayers have been synthesized by diffusion in gels or by hydrothermal methods, and their crystal structure determined. ...
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(2002)Polypteriformes (or Cladistia) and Lepisosteiformes (or Ginglymodi) are two groups of freshwater fishes with ganoid scales. The earliest fossil records of these taxa are Albian (Lepisosteiformes) and Cenomanian (Polypteriformes) ...
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(2003)Curves depicting the diversity dynamics of fusulinid genera in general and in some individual biogeographic provinces are provinces are plotted. Some of them illustrate dynamics of appearance and extinction of fusulinid ...
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(2003)Djerfisherite K6Na(Fe,Ni,Cu)24S26Cl, first discovered in meteorites [1], was subsequently found in Cu–Ni ores, kimberlites, alkaline ultrabasic rocks and car-bonatites, peralkaline rocks, and in skarns around alka-line ...
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(2006)Rare earth elements (REE) concentrations of Archean and Proterozoic chemical sediments are commonly used as proxies to study secular trends in the geochemistry of Precambrian seawater. In addition, similarities in the REE ...
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(2000)The Messoyakha gas field has long been considered a world unique field where gas is extracted from natural gas hydrates. At the same time, this idea has been based solely on implicit evidence. The present study addresses ...
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(2003)The mainly dipolar geomagnetic field generated by the geodynamo within the Earth's liquid core has reversed its polarity many times in the past. This succession of intervals of alternate polarity defines the geomagnetic ...
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(2003)The Donbas Foldbelt (DF) is the uplifted and deformed part of the up to 20-km-thick Dniepr-Donets Basin (DDB) that formed as the result of rifting of the East European Craton (EEC) in the Late Devonian. Uplift, especially ...
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(PANGAEA, 2014-05-29)
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(PANGAEA, 2015-06-16)
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(PANGAEA, 2015-06-16)
Now showing items 4085-4104 of 39126