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Browsing ELibrary by Title
Now showing items 8370-8389 of 21936
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(2001)The revised diagnosis of the genus Coelacanthia is given for the first time. Special attention was paid to the aperture structure of C. quadrispinosa. The similarity of the Maeotian Coelacanthia and Karaganian Archaschenia ...
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(2004)A comprehensive study of the Lyubimovka section (western coast of the Crimea Peninsula, in the vicinity of Sevastopol) is carried out. The section is adopted as stratotype of six and as hypostratotype of three lower and ...
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(1993)Peculiarities of the tectonic structure and the distribution of geophysical fields in the Central Indian Basin are considered. On the basis of heat flow data, retrieved in the Central Indian Basin, the zone of intraplate ...
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(2003)An analytical electron microscope study of almandine garnet from a metamorphosed Al-Fe-rich rock revealed detailed composition profiles and defect microstructures of resorption zoning along fluid-infiltrated veins and even ...
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(1990)Bryan's (1989) model is used in this study to simulate the circulation in the Black Sea. Wind stress, heat exchange, precipitation and evaporation at sea surface are prescribed from climatic data. River inflow and the ...
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(1999)The body structure of Asthenohymen itralicum G. Zalcssky from the Lower Permian of the Urals, Russia is studied. The male genitalia are described for the first time; the morphology of the head, legs, and ovipositor is ...
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(2001)Revision of the type material of dispersed cordaitean fructifications of Krylovia Chachlov 1939 supports previously proposed morphological interpretation and its identity to the genus Samarospadix Neuburg, 1948 from the ...
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(2001)Comparisons with extant acipenserids suggest the presence of a cartilaginous plate evolving in ontogeny externally from the dermal ossifications. The plate in the paleoniscoid lower jaw is a projection of Meckel's cartilage ...
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(2004)We describe an unusual wave group that propagates in the Northern Tien Shan region along the border between mountain ranges and the Chu and Ili depressions to the north. This wave group, which we call SL, stands out against ...
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(1981)At present there is considerable speculation concerning the origin of greenstone belts. They are compared with Phanerozoic geosynclines, fold belts, modern island arcs or with the rift structures formed above subduction ...
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(2004)A seismic survey with a receiver spacing of 50 m provided one of the most densely sampled wide-angle seismic reflection images of the lithosphere. This unique data set, recorded by an 18-km-long spread, reveals that at ...
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ON THE NATURE OF THE TELESEISMIC PN PHASE OBSERVED ON THE ULTRALONG-RANGE PROFILE 'QUARTZ,' RUSSIA (1998)The most prominent secondary phase observed in the records from the ultralong profile "Quartz" crossing northern Eurasia is the high-frequency long-range (teleseismic) P(n). This phase, propagating with the group velocity ...
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(2004)We revisit the problem of non-uniqueness of harmonic magnetic field models in a region outside a sphere containing the field sources, when only intensity values on the sphere surface are known. Using the angular momentum ...
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(2004)A fragmentary proximal epiphysis of a humerus from the Campanian of the Polunino 2 locality (Volgograd Region) belongs to a giant pterosaur, Ornithocheiridae gen. et sp. indet. about 5 m in wingspread. Together with a ...
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(1986)A wide variety of structural, petrochemical, geochemical and mineralogical indicators have been suggested as indicators for the identification of ore-producing granitoids. This paper is concerned only with those indicators ...
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(2004)The systematic composition and diversity of Early Chokrakian gastropods, represented by 85 species, are discussed. Twenty species are presumed to be endemic to the Eastern Paratethys, since they are not known for the Middle ...
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(2001)The origin of anomalous birefringence of grossular-andradite (grandite) garnets from skarns in Mall and Russia was considered. The crystals had complex optical patterns which can be induced by superposition of two phenomena: ...
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(2004)The largest accumulations of rhyolitic melt in the upper crust occur in voluminous silicic crystal mushes, which sometimes erupt as unzoned, crystal-rich ignimbrites, but are most frequently preserved as granodioritic ...
Now showing items 8370-8389 of 21936