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Browsing ELibrary by Title
Now showing items 5169-5188 of 26297
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(2006)The North Atlantic region, which is located between the Charlie Gibbs Fracture Zone in the south and the Nansen Ridge in the north, has long been known as the Tule volcanic province coined after the ancient name of Iceland ...
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EVOLUTION OF THE SOUTHERN MARGIN OF THE DONBAS (UKRAINE) FROM DEVONIAN TO EARLY CARBONIFEROUS TIMES (2003)A Devonian-Early Carboniferous succession comprising thick clastic and carbonate sediments with interbedded volcanics was examined along the southern margin of the Donbas fold belt. Ukraine. Following initial rifting and ...
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(2006)Using a new Russian–American digital grid of anomalous magnetic field of the Arctic Ocean, oceanic magnetic anomalies were identified for the whole southern part of the Canada Basin (hereafter, southern CB), extending from ...
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(1989)An important factor both in geodynamic modeling of the development of sedimentary basins and in investigating their oil and gas potentials is the analysis of their thermal environment as a function of time. There have been ...
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(2004)We have analysed 129 stratigraphic sections from the Timan-Pechora basin, from its adjacent continental shelf and from the South Barents Sea basin, in order to determine whether existing models of extensional sedimentary ...
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(1992)Anhydrous and amphibole-bearing peridotite xenoliths occur in roughly equal quantitites in the Bartoy volcanic field about 100 km south of the southern tip of Lake Baikal in Siberia (Russia). Whole-rock samples and pure ...
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(2006)The West Siberian Basin is one of the largest intra-cratonic basins of the world and an important hydrocarbon province of Russia. Perhaps the most important geologic event in Siberia was the emplacement of basalts around ...
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(2006)Thermal plumes in the Earth’s mantle are formed at the core/mantle or upper/lower mantle boundary as a result of gravity instability in the thermal boundary layer (TBL), which can exist at these boundaries. At the same ...
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(1988)We conducted a special study of tholeiite volcanism of the eastern Pacific, using multivariate statistical methods. It was based on our own and published analyses of samples obtained in deep-sea dredging and drilling in ...
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(1999)The Uzon caldera is a genetically complex structure, which was formed during several episodes of tectono-magmatic activity. It is made up of basalts, basaltic andesites, and dacites, the products of the normal evolution ...
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EVOLUTIONARY GEOMORPHOLOGY: THRESHOLDS AND NONLINEARITY IN LANDFORM RESPONSE TO ENVIRONMENTAL CHANGE (2006)Geomorphic systems are typically nonlinear, owing largely to their threshold-dominated nature (but due to other factors as well). Nonlinear geomorphic systems may exhibit complex behaviors not possible in linear systems, ...
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(2002)The evolutionary history and phylogenetic relationships of eight Early Triassic ammonoid genera, Xenoceltites, Bajarunia, Nordophiceras, Pseudosvalbardiceras, Boreoceras, Praesibirites, Parasibirites, and Sibirites, are ...
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(2004)Processes lasting for milliseconds to some ten thousand years are described by a viscoelastic model of the Earth that has been basically developed in the first half of the 20th century. To describe longer processes, lasting ...
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(2003)Fossil bivalves bearing oblique ribs first appeared in the Mid Ordovician but their diversity remained low during the Palaeozoic. The diversity soon increased after the Early Triassic, peaking in the Early Cretaceous. The ...
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(1996)The Eocene evolution of the diatom flora of oceanic and epicontinental sea basins is discussed within the context of some abiotic factors. It was found that from the beginning of the Eocene to the end of the Lutetian, the ...
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(2006)Antarctic lunar meteorites Meteorite Hills 01210 and Pecora Escarpment 02007 are breccias that come from different regolith lithologies on the Moon. MET 01210 is composed predominantly of fractionated low-Ti basaltic ...
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(1995)A procedure for quantifying thermal histories from apatite fission-track data is presented. Given an appropriate annealing algorithm, or forward model, the problem is to determine a best-fit thermal history and quantify ...
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(2001)Using higher-order ray theory, we derived exact elastodynamic Green functions for three simple types of homogeneous anisotropy. The first type displays an orthorhombic symmetry, the other two types display transverse ...
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(2001)Process of hydraulic breakage of rock with the use of viscous fluid has been considered. Mathematical model of the process has been developed with the use of differential equations. Various factors influencing the conditions ...
Now showing items 5169-5188 of 26297