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ELibrary: Recent submissions
Now showing items 101-120 of 26285
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(2006)Lermontovskoe tungsten skarn deposit in central Sikhote-Alin is concluded to have formed at 132 Ma in the Early Cretaceous, based on K-Ar age data for muscovite concentrates from high-grade scheelite ore and greisenized ...
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(2006)The variations of phase and amplitude of LF signal propagating from the transmitter JJY (40 kHz, Fukushima prefecture, Japan) are analyzed. The receiver is situated in Petropavlovsk-Kamchatski (Russia). The time interval ...
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(2006)The structural, electronic properties and stability of thorium orthosilicate ThSiO4 polymorphs: thorite and huttonite are investigated by means of the full-potential linearized augmented-plane-wave method with the generalized ...
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(2006)To study natural polymorphism, pollen grains should be collected from ecologically clean sites. Taking the ecological conditions at the end of the 19th century and at the beginning of the 20th century as more favorable ...
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(2006)Stacking lithofacies in the Domodedovo Formation of Peski quarries show prominent changes in paleodepth and depositional environment. Distribution in the section of fusulinoids, algae, conodonts, and macrofossils are ...
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(2006)A new species of the genus Laccognathus, L. grossi sp. nov., from the upper strata of the Gauja Formation of the Main Devonian Field ( Lode locality, Latvia) is established. Morphological similarity and differences of the ...
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(2006)This paper presents the results of a comprehensive experimental study of the formation of granitoid melts at the expense of olivine-normative amphibolites. It was shown that trondhjemite-tonalite and granite-granodiorite ...
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(2006)The questions of ecology and taphonomy of radiolarians are reviewed and reexamined. In Recent oceans and seas, the major part of the “radiolarian rain” (dead individuals) comes from the layer of the water column which is ...
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(2006)The appearance of Bacteria sensu lato, Eukaryota, Metaphyta, Metazoa, etc., along with the oxygenization of the atmosphere, are shown to have occurred much earlier than was previously assumed. Paleontological data clearly ...
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(2006)The development of marine benthic communities in the Early Palaeozoic occurred mainly in the shallow water epicontinental seas. It included those stages of the Cambrian and Ordovician evolutionary radiations that were ...
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(2006)Data on the detailed stratigraphic range of eight species of gastropod mollusks from the Upper Hauterivian of Ulyanovsk (Volga Region) are presented. A new genus, Trilemma, is established within the family Aporrhaidae. Two ...
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(2006)A new classification is proposed in which Bactritoidea and Ammonoidea are considered as subclasses. The subclass Bactritoidea includes a single order, Bactritida. The subclass Ammonoidea includes ten orders: Anarcestida ...
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(2006)A new species, Mesocyparis rosanovii sp. nov. from the Lower Paleocene of the Amur Region, Russia, is characterized by a combination of advanced and primitive features: mixed opposite-alternate branching of vegetative ...
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(2006)Short-term earthquake prediction, months in advance, is an elusive goal of earth sciences, of great importance for fundamental science and for disaster preparedness. Here, we describe a methodology for short-term prediction ...
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(2006)The paper reports the results obtained by the detailed studying of carbonado (the first find in a gold placer in Primorie) and a collection of diamonds that was confiscated in 1937 from a poaching small digger and was kept ...
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(2006)Three new conodont species, Streptognathodus neverovensis, S. isakovae, and Idiognathodus mestsherensis, which are widespread in the Kasimovian Stage of central Russia, are described.
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(2006)Based on their adaptations to substrates, degree of mobility, and feeding modes, bivalve mollusks are subdivided into 30 ethological-trophic groups. This paper presents an account of their morphological characteristics, ...
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(2006)A specific type of ontogenetic change combining elements of dielasmoid and angustothyridid stages of brachidium development is established for the Late Permian genera Gruntelasma Smirnova, 2004, Grigorjevaelasma Smirnova, ...
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(2006)The acquisition of endosymbiotic alphaproteobacteria that gave rise to mitochondria was one of the key events in the origin of eukaryotic cell. To reconstruct this process, it is important to analyze relationships that ...
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(2006)Experiments reproducing the development of bimetasomatic zoning in the CaO-MgO-SiO2-H2O-CO2 system were conducted at elevated P-T parameters with the use of samples of naturally occurring quartzdolomite and calcite-serpentinite ...
Now showing items 101-120 of 26285