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Browsing Геология России by Title
Now showing items 2695-2714 of 39195
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(2000)Substantial volumes of methane gas are trapped below the seafloor and in permafrost by an ice-like solid called clathrate hydrate. Global estimates of the methane in clathrate hydrate may exceed 1016 kg, which represents ...
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(2003)A lead selenide mineral, tentatively identified as clausthalite (PbSe) based on optical microscopy, scanning electron microscopy with energy-dispersive X-ray (EDAX), electron microprobe, and scanning proton microprobe ...
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(2000)Several highly branched isoprenoid alkenes isolated from the diatom Haslea ostrearia have been subjected to laboratory simulations of early diagenetic reactions under mild acid conditions including addition of K-10 ...
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(2004)Investigation of the Triassic–Lower Cretaceous rocks of the Dal'negorsk key section (southern Sikhote Alin) revealed the following successive associations of authigenic clay minerals: (1) sericite–chlorite (Lower Triassic); ...
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(2001)The Pleistocene deposits on the plains regions of Ukraine are subaerial and subaqueous formations of diverse types. Loesses and fossil soils represent 16 climatic stages (8 warm and 8 cold) of the Pleistocene and environmental ...
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(2005)Caustic high level radioactive waste induces mineral weathering reactions that can influence the fate of radionuclides released in the vicinity of leaking storage tanks. The uptake and release of CsI and SrII were studied ...
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(2004)The deep-water sediments of Lake Baikal retain an uninterrupted record of the climatic and environmental variations of continental Asia in the Late Cenozoic (Baikal drilling project). The paleoclimatic record is based on ...
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(PANGAEA, 2008-09-02)
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(2000)The mineral assemblage of Pliocene - Pleistocene bottom sediments of Lake Baikal, exposed by the deep-sea BDP-96-2 (Baikal Drilling Project) has been studied by the methods of XRD and IR spectroscopy. Complex XRD patterns ...
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(PANGAEA, 2001-06-20)Distribution of clay minerals in recent sediments on the Arctic shelf off the Eurasian and North American continents is considered. Prominence is given to the East Siberian and Laptev seas. An illite belt established on ...
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(PANGAEA, 2000-11-02)
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(IOP Publishing, 2016)Revealing soil swelling and estimation of swelling rate are of great importance at the initial survey stages as well as the bases for further determination of more accurate factors used for selection of recovery methods ...
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(PANGAEA, 2010-03-30)In this study, the grain-size and clay-mineral compositions of 73 surface sediment samples collected in a variety of environmental settings in the White Sea are presented to characterize recent sedimentation processes, ...
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(PANGAEA, 1999-09-18)Clay-mineral distributions in the Arctic Ocean and the adjacent Eurasian shelf areas are discussed to identify source areas and transport pathways of terrigenous material in the Arctic Ocean. The main clay minerals in ...
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(2004)A new deposit of high-quality bentonites and carbonate–palygorskite clays was discovered in the Paleogene section of the southwestern foothill of Southern Nuratau Range. The bentonites have a substantially montmorillonitic ...
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(2004)Experiments show a considerable silica decrease in the water of Baikal through 1995-2001 in the conditions of anomalous local warming in the lake region and growing phytoplankton production. Annual silica loss in those ...
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(1998)Variations of the atmospheric CO2 level and the global mean surface temperature during the last 150 Ma are reconstructed by using a carbon cycle model with high-resolution input data. In this model, the organic carbon ...
Now showing items 2695-2714 of 39195