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Browsing ELibrary by Title
Now showing items 11774-11793 of 21936
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(1995)Literature data on the thermodynamics of complexation of Zr with inorganic species, at 25°C, have been critically reviewed. The preponderance of published complexation constants deal with F− and OH− ions. Stability constants ...
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(2003)The Arctic rift system includes the Mid-Arctic Gakkel Ridge, the Laptev Sea continental margin and the Moma rift. The Gakkel Ridge is the world''s slowest spreading mid-ocean ridge with spreading rates ranging from 1.2 ...
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(2002)For a fractal curve, the measured perimeter length increases as the ruler length decreases. When the perimeter of a fractal curve is traced with a given ruler size, there are areas between the straight-line segments and ...
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(2003)The problem of an 'Armorica microplate', detached from Gondwana and having had during part of the Palaeozoic an independent latitudinal evolution, is reconsidered in terms of a critical review of the palaeomagnetic data ...
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(1997)Thermodynamic data for phases in the Fe-Si-O system have been assessed using experimental information on phase equilibria, electrochemical measurements of oxygen activity, calorimetry, and elastic property measurements. ...
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(2001)It is accepted that during the Late Heavy Bombardment (LHB-4.2-3.8 Ga) in the Solar system, as preserved on the Moon, the terrestrial upper mantle-crust system was dominated by interactions between internal mantle processes ...
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(2004)The paper describes the Au-PGE mineralization found in the coal-bearing depressions at the Pavlovsk brown coal deposit and at the depression borders. Precious metal mineralization occurs there at various levels of the ...
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(2003)Data on lithology, trilobites, and ostracodes from the Azeri, Lasnamagi, and Uhaku horizons of the Ladoga structural-facies zone are discussed. Biostratigraphic subdivision based on asaphids (trilobites) has been conducted, ...
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(2004)Compact analytical formulae are derived for particle motions of surface waves in a weakly anisotropic, flat-layered medium. Theory only incorporates coupling between fundamental mode Rayleigh and Love waves but comparison ...
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(2004)The investigations involved geophysical, sedimentological, palynological, chemical and mineralogical studies, supported by field-based infrared spectrometry. The Baganuur Basin, Central Mongolia, is among the rift or ...
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(2003)The main chain of SW–NE-striking Cenozoic half-grabens of the Baikal rift zone (BRZ) follows the frontal parts of Early Paleozoic thrusts, which have northwestern and northern vergency. Most of the large rift half-grabens ...
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(1981)The development of the Baikal rift zone is an initial stage in the break-up of the Eurasian plate. In this zone the anomalous mantle is found under the crust. It is characterized by decreased seismic velocity, decreased ...
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(2002)The Baikalide-Altaid, Transbaikal-Mongolian and North Pacific orogenic collages consist of several oroclinally bent magmatic arcs separated by accretionary complexes and ophiolitic sutures located between the major cratons. ...
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(2001)The recently discovered Bamsk gold deposit is of a large scale. It is situated in the Amur oblast in Russia. The deposit is confined to a central type volcanoplutonic uplift of that formed during the early Cretaceous ...
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(2002)Classification of barrier lakes of the Sayan-Baikal mountain region has been fulfilled on the base of such attributes as location and size, genesis (the origin of dam), age. According to the morphology barrier lakes may ...
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(2001)The agreed boundary for the Lower Devonian basal Emsian stage Global Stratotype Section and Point (GSSP) is in a section at the Zinzil'ban Gorge of the Kitab State Geological Reserve, south-southeast of Samarkand, Uzbekistan, ...
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(2004)Current phylogenetic hypotheses for the dicynodonts conflict, probably because the characters used, especially those of the jaws and facial region, show considerable convergence. Characters of the braincase and basipterygoid ...
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(1996)We investigate here the ridge jump that led to abandonment of the Galapagos Rise and formation of the Bauer scarp during the initiation of the present day configuration of the East Pacific Rise since the lower Miocene. We ...
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(1999)The bed-by-bed standard of the Silurian for East Siberia is used to correlate stratigraphic sequences all over the Siberian platform and Taimyr. Fossil faunas and floras of the standard are very representative, because the ...
Now showing items 11774-11793 of 21936