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Browsing ELibrary by Title
Now showing items 8830-8849 of 21934
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(2005)Monomeric palladium(II) chloro aqua complexes of the form PdClr(H2O)4-r2-r (r = [0,4]) were studied both experimentally and theoretically to gain insight on both the stabilities and the nature of palladium-chloride ...
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(2004)The formation of platinum-group-element (PGE) deposits in layered intrusions involves an interplay of sulfide saturation and modifications that might be caused by migrating silicate liquid and volatile fluid. The program ...
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(2001)The porphyry Cu–Mo deposits in the southern Siberian craton and Northern Mongolia including subduction-, collision-, and rift-related igneous series of early Paleozoic to Mesozoic age, are all characterized by varying ...
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(2004)Peculiar mineralization of noble metals, which includes several generations of gold-bearing minerals, is described. These minerals make up metasomatic ingrowths in magmatic galena-magnetite-pentlandite-cubanite-talnakhite ...
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(1997)The studied palynoassemblages were collected from the maar lacustrine sediments deposited in the upper parts of the completed pipe structures located in the south and southeast of the Tunguska paleovolcanic area. The ...
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(2001)Palynological characteristics of Eocene-Miocene deposits of the Tatar Strait coast between the Son'e and Dembi bays (eastern Sikhote Alin) are presented. The study spore-and-pollen assemblages and plant imprints show that ...
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(2001)The paper discusses the composition of organic-walled phytoplankton, spores, and pollen from the middle Eocene Kuma Horizon and its age analogues in adjacent parts of the East European platform, Scythian, and Turan plates. ...
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(2004)Four palynological assemblages characteristic of the Nedubrovo, basal Astashikha, middle-upper Astashikha-Ryabi, and Sarafanikha members of the Vokhma Formation are distinguished in Lower Triassic continental deposits of ...
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(2000)Cenozoic coal-bearing deposits of the Verkhnyaya Zeya basin are of economic interest in the basin marginal areas, where some beds are suitable for open mining of brown coal. The exploratory work at the Snezhnogorskii coal ...
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(2001)Assemblages of organic-walled phytoplankton from Paleocene deposits of the Volga lower reaches are analyzed. Five palynological assemblages distinguished in the borehole section are well correlative with those from coeval ...
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(2003)Information on Paleocene deposits of Western Siberia is scarce and fragmental. The palynological analysis of new materials is important therefore, and the data obtained can be used in stratigraphy and for interregional ...
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(1997)Palynological data are used for the first time to subdivide in detail the Paleogene-Miocene deposits filling intracontinental depressions in the Amgun-Gorin region. Twelve pollen assemblages are distinguished in the composite ...
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(1999)The detailed biostratigraphic subdivision of a complete and well-exposed Paleogene-Miocene section in the Ciscaucasia is substantiated on the basis of organic-walled phytoplankton, spores, and pollen. The distinguished ...
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(1989)With the composition of the Paleozoic crossopterygian fishes, the Rhipidistia, three orders are now distinguished: the Osteolepidida and Rhizodontida, On the basis of an analysis of these materials and a comparison of ...
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(2003)The form of parabolic lines and caustics in homogeneous generally anisotropic solids can be very complicated, but simplifies considerably in homogeneous weakly anisotropic solids. Assuming sufficiently weak anisotropy, no ...
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(2002)The climatic consequences of major increases in the concentration of atmospheric carbon dioxide were calculated over 100 years ago, but only during the last two decades have the effects of human-induced increases in various ...
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(2001)Mineral parageneses can be quantitatively analyzed now with computer programs and thermodynamic databases for minerals and aqueous solution species using D.S. Korzhinskii's theory. The procedure reduces such analysis to ...
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(2006)Parageorgbokiite, p-Cu502(Se03)2Cl2, was found in the 2nd cinder cone of the great fissure Tolbachik eruption (Kamchatka peninsula, Russia). The mineral occurs in association with ralstonitc, tolbachitc, melanothallite, ...
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(2004)We carried out reversed piston-cylinder experiments on the equilibrium paragonite = jadeite + kyanite + H2O at 700C, 1.5–2.5GPa, in the presence of H2O-NaCl fluids. Synthetic paragonite and jadeite and natural kyanite were ...
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(1998)Investigation results on ammonites, belemnites, and dinoflagellate cysts from Bathonian and Callovian deposits in the North Pechora region are used to elaborate the detailed stratigraphy and to correlate these deposits in ...
Now showing items 8830-8849 of 21934