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Browsing ELibrary by Title
Now showing items 6495-6514 of 21879
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(2001)Within the framework of the Baikal Drilling Project (BDP), a 192 m long sediment core (BDP-96-1) was recovered from the Academician Ridge, a submerged topographic high between the North and Central Basins of Lake Baikal. ...
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(2002)Palynomorphs from a palaeomagnetically dated Late Pliocene sediment core (3.6–2.35 Ma) reflect highly variable climatic conditions and repeated expansion of steppe and boreo-alpine vegetation. Mixed coniferous forests ...
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(1983)The available data on radiometric dating of Riphean and Vendian deposits in the European part of the U.S.S.R. enabled us to establish the age of geochronological boundaries. The Riphean lower boundary was adopted as 1650 ...
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(2002)This paper provides an overview of the geography and palaeogeography of the Chuja (Chuya)–Katun river system in the Altai Mountains of south Siberia. In addition, an introduction to the sedimentology of catastrophic flood ...
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(2002)Lithologic and multi-proxy paleoenvironmental data from 21 dated cores have been used to define three allostratigraphic units (allounits) within the late Quaternary successions of the Marmara Sea and Black Sea. Allounits ...
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(2002)Ice-rich permafrost sequences with large polygonal ice wedges represent excellent archives for paleoenvironmental reconstruction. Such deposits contain numerous well-preserved records (ground ice, paleosols, peat beds, ...
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(2004)The broad and flat valley of the upper Dnister in western Ukraine is characterized by a complex setting of ecotopes and a relatively natural state of floodplain dynamics. Excellent geo-archives–extended peat bogs and ...
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(2001)New lacustrine records from central and southern Wrangel Island are analyzed for their pollen content in an attempt to clarify possible linkages between paleoenvironmental shifts and the dwarfing and/or extinction of the ...
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(2001)The paper presents the results of quantitative and qualitative analyses of planktonic foraminifer distribution in the Upper Pleistocene-Holocene sediments of the northeastern part of the Kuril Basin in the Sea of Okhotsk. ...
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(2003)Inherited saprolite stores and continued weathering in Quaternary time juxtapose abundant clay and fresh rock in tropical landscapes. This influences sediment fluxes and affects the interpretation of sediment sequences ...
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(2004)The Ulleung Interplain Gap (UIG) is a deep (2300–2700 m) passage which has served as a conduit for deep-water circulation between the Ulleung and Japan basins. A detailed analysis of Chirp (2–7 kHz) subbottom profiles (ca. ...
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(2002)Slip rates across active faults and folds show that late Quaternary faulting is distributed across the central Tien Shan, not concentrated at its margins. Nearly every intermontane basin contains Neogene and Quaternary ...
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(1999)Ice-sheet reconstructions for the last glacial maximum in northern Eurasia range from nearly complete coverage by a contiguous marine-based ice sheet to large unglaciated areas. Stratigraphic records from Yamal Peninsula, ...
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(1999)New sites of mineralized microfossils, seven in cherts and one in phosphorite of the Upper Riphean Valyukhta Formation-of the Baikal-Patom Highland, are discovered at the Alekan River (the Malaya Chuya River basin). The ...
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(2001)The age of ophiolite plagiogranites from the Khan-Taishiri ophiolite complex, western Mongolia, was determined by the U-Pb zircon method as 568.1 ± 4.0 Ma. This complex is a rare fragment of the ancient Central Asian blocks ...
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LATE VENDIAN POTASSIC VOLCANIC ROCKS OF THE OLENEK HIGHLANDS ON THE NORTHEAST OF THE SIBERIAN CRATON (1989)The authors investigated a rock complex in the northern part of the Olenek Highlands on the Siberian craton, where it lies in the Khorbusuonka, Erkeket, and Kersyuke river basins. These potassic volcanics are found over ...
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(2003)Six species of Calamopityales (Lyginopteridophyta) are reported for the first time from the Upper Viscan sandy-silty deposits of Central Russia (vicinity of the town of Borovichi). Among these species, Sphenopteridium ...
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(2004)Five lyginopteridalean species of the genera Rhodeopteridium (Zimmermann) Purkynová and Sphenopteris Brongniart and one species of Rhynchogonium Heer (Medullosales=Trigonocarpales) are reported from the vicinity of the ...
Now showing items 6495-6514 of 21879