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Геология России: Recent submissions
Now showing items 1-20 of 41957
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(2006)There has been an increasing debate regarding the mechanism controlling the low-frequency polarization (megahertz to kilohertz) in sandstones. The polarization and related electrical relaxation are extremely important ...
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(2006)In order to provide an indirect method of estimating the hydraulic properties of sandstone aquifer rocks, electrical spectroscopy measurements were made on Permo-Triassic Sandstone over the frequency range 0.0001-1000 Hz. ...
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(2006)This taxonomic review of the scleractinian corals of the Maastrichtian and Paleocene period focuses on the scleractinian suborders Astrocoeniina, Faviina, Rhipidogyrina and Amphiastraeina. This, the first extensive compilation ...
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(2006)An appropriate form of induced polarization (IP) acts as a bridge between the structure of a water-saturated core plug and its transport properties. The induced-polarization decay curves of natural rocks can be modeled as ...
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(2006)Early Triassic and Late to Middle Permian magnetostratigraphic investigations are numerous and span the globe. More than 20 magnetostratigraphic sequences have documented all or part of the Early Triassic geomagnetic field ...
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(2006)We investigate the respective roles of crustal tectonic shortening and asthenospheric processes on the topography of the High Atlas and surrounding areas (Morocco). The lithospheric structure is modeled with a direct ...
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(2006)Ocean Drilling Program Leg 193 drilled two sites at the PACMANUS hydrothermal field, Snowcap and Roman Ruins. We investigated electrical properties of core samples recovered from these sites to study the effect of hydrothermal ...
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(2006)We study temporal correlations and multifractal properties of long river discharge records from 41 hydrological stations around the globe. To detect long-term correlations and multifractal behaviour in the presence of ...
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(2006)The Triassic time scale is poorly constrained due to a paucity of high-precision radiometric ages. We present a 206Pb/238U age of 230.91 ± 0.33 Ma (error includes all known sources) for zircon from an ash bed in the upper ...
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(2006)This study focuses on the sequence stratigraphy of the Pyeongan Supergroup (Carboniferous-Permian), central-eastern Korea. The supergroup consists of about 1700-m-thick siliciclastic deposits, disconformably overlying the ...
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(2006)More than one hundred and thirty coal seams and coaly layers occur in the Donets Basin (Donbas). Twenty-eight (52 samples) of them, ranging in age from Serpukhovian (Late Mississipian) to Gzhelian (Late Pennsylvanian), 33 ...
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(2006)Carbonatites of the Jacupiranga alkaline-carbonatite complex in São Paulo State, Brazil, were used to investigate mineral-fluid interaction in a carbonatite magma chamber because apatite showed a marked discontinuity between ...
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(2006)In order to confirm the similar behavior of Eu and Am in heterogeneous geological materials, we carried out the batch experiments for determining the sorption property of radionuclides, 152Eu and 241Am. We used four different ...
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(2006)The Cretaceous Rapu-Rapu Ophiolite Complex is a dismembered marginal basin ophiolite formed at an intermediate to fast spreading center. Limited subduction is manifested by the crystallization of pyroxene before plagioclase ...
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(2006)The quantification of wildefire regimes specially the relationship between the frequency which events occur and their size, is of particular interest to both ecologists and wildfire managers. Recent studies in cellular ...
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(2006)The Jinchuan ultramafic body on the southwestern margin of the North China craton hosts a giant Ni-Cu-(PGE) deposit. This dike-like intrusion consists mainly of lherzolite, dunite, and minor pyroxenite. Fortly-seven vol% ...
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(2006)A previously unknown pattern of multiple bottom-simulating reflections (BSRs) occurs on high-resolution reflection seismic data in the Danube deep-sea fan, associated with acoustic features indicating free gas. Our study ...
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(2006)Repeated short-time negative excursions from the general trend of organic carbon isotopes occur at, and shortly after, the Permo-Triassic and Cretaceous-Tertiary mass extinctions. The cause of these excursions is unexplained ...
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(2006)We have investigated an E-W compressional ridge in 0.9 Ma lithosphere of the Nazca Plate, just north of the Easter microplate on the East Pacific Rise, using a combination of visual observation and seabed gravity measurements ...
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(2006)Melting processes beneath the Mid-Atlantic Ridge were studied in residual mantle peridotites sampled from a lithospheric section exposed near the Vema Fracture Zone at 11°N along the Mid-Atlantic Ridge. Fractional and ...
Now showing items 1-20 of 41957