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Browsing Геология России by Title
Now showing items 7060-7079 of 39195
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(1988)We analyzed asphaltenes of crude oils and bitumens in dispersed organic matter from various regions of the West Siberian block and the Siberian craton. The West Siberian crude oil samples were collected from Jurassic and ...
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(1989)Correlation of more than 1700 specific layered sections of the volcanic sequence in terms of their rhythmic stratigraphy has led to identification of lithological and stratigraphic intervals corresponding to formations, ...
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(IOP Publishing, 2016)Clay minerals including kaolinite, montmorillonite and bentonite in oil and gas reservoir rocks are identified by absorption spectra obtained via Fourier Transform Infrared (FTIR) spectroscopy. Bands around 3695, 3666, ...
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(Федеральное государственное бюджетное учреждение науки «Центр по проблемам экологии и продуктивности лесов Российской академии наук», 2019)The basin concept to nature management is used in various studies on ecological monitoring of terrestrial ecosystems. The objective of this study is to identify the borders of drainage basins on the territory of Pechora-Ilych ...
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(IOP Publishing, 2015)Well logging results are one of the ways to study the buried terrigenous rocks genesis. To ensure the most objective characterization of the rock and identification of electrofacies it is necessary to use a complex geological ...
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(2006)We have carried out a comprehensive survey of the isotopic compositions (H, B, C, N, O, and S) of a suite of interplanetary dust particles (IDPs), including both cluster and individual particles. Isotopic imaging with the ...
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(1988)A series of novel methylated phytanylbenzenes (phytanylbenzene, 1-methyl-3-phytanylbenzene, 1,4-dimethyl-2-phytanylbenzene, 1,2-dimethyl-4-phytanylbenzene and 1,2,4-trimethyl-5-phytanylbenzene) have been identified in ...
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(2003)New author's and literature data are employed in discussing the role of a diversity of factors controlling variations in the composition and isotopic-geochemical characteristics of plume-related volcanics. There are three ...
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(2001)Based on REE analyses of 105 world-wide distributed Cambrian fossil apatite samples and eight late Neoproterozoic phosphate concretions, a close relationship is established between the concentrations of MREE and Ce anomalies. ...
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(2001)Thermochemolysis with tetramethylammonium hydroxide (TMAH) was utilized to analyze peptide-like material in insoluble residues of geochemical samples. Product identification was performed by gas chromatography/mass ...
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(2004)The major contributions to the pyrite valence band have been identified experimentally by monitoring XPS valence band signal intensity as a function of photon (X-ray source) energy. The S-S σ and σ* orbitals are located ...
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(1995)We have analyzed sulfur K-edge X-ray absorption near-edge structures (XANES) and demonstrated, with a high degree of certainty, that sulfur is present in a variety of biogenic and diagenetic carbonates as sulfate. The ...
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(2001)A simple means of identifying poorly bleached samples is proposed for the dating of quartz using the single-aliquot additive-dose optically stimulated luminescence (OSL) protocol. For a well-bleached sample, it is shown ...
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(2002)The sources of and pathways for groundwater recharge in urban areas are more numerous and complex than in rural environments. Buildings, roads, and other surface infrastructure combine with man-made drainage networks to ...
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IDENTIFYING SPATIAL CHARACTERISTICS OF TRANSMISSIVITY USING SIMULATED ANNEALING AND KRIGING METHODS (2001)Groundwater flow and transport modeling require proper and accurate hydrogeological properties. These hydrogeological data, including information on transmissivity or hydraulic conductivity, may contain significant ...
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(2004)Since the frontal sides of the colonies of idmoneiform Tubuliporina follow a single plan, the developmental features of various heterozooecia acquire great taxonomic significance independently of the shape and position of ...
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(1989)Recent data indicate that even in the Urals, which constitute a reference femic type geosynclinal foldbelt, the geosynclinal structural and associational zones framing the ancient sialic blocks or microcontinents exhibit ...
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(1997)Igneous graphite, a rare constituent in terrestrial mafic and ultramafic rocks, occurs in three EH and one EL enstatite chondrite impact-melt breccias as 2-150 mu m long euhedral laths, some with pyramidal terminations. ...
Now showing items 7060-7079 of 39195