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Browsing ELibrary by Title
Now showing items 12406-12425 of 21936
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(2004)The high-grade metamorphism (no lower than the high-temperature amphibolite facies) and involvement of the massif in the intricate folding suggest its emplacement at the orogenic stage of Svecofennide evolution. To date, ...
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(2001)Records of the tectonic and climatic evolution of continental interiors are important for understanding the dynamics of the Earth's climate system, evolutionary processes within the terrestrial biosphere, and human origins. ...
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THE LARGEST ASIATIC AMPHECHINUS (ERINACEIDAE, INSECTIVORA, MAMMALIA) FROM THE OLIGOCENE OF MONGOLIA (2002)A lower jaw fragment of a new hedgehog species, Amphechinus gigas sp. nov., from the Oligocene Shand-Gol Formation of Mongolia is described. This species is substantially larger than A. rectus, A. akespensis and other known ...
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(2003)The morphological characters of the embryonic shell of Cambrian phosphatic brachiopods of the class Lingulata described in this paper include its size, relation to juvenile and adult shells, external microornamentation and ...
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(2002)The penultimate (Snaigupele, oxygen isotope stage (OIS) 7) interglacial has proved controversial in Lithuania because of palynological similarities between Holsteinian, Snaigupele and Eemian interglacial deposits in the ...
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(2003)The global Archean record preserves ca. 35 large cratonic fragments and a less well defined number of smaller slivers. Most Archean cratons display rifted margins of Proterozoic age and therefore are mere fragments of ...
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(2002)The geologic evidence for worldwide uplift of mountain ranges in the Neogene is ambiguous. Estimates of paleoelevation vary, according to whether they are based on the characteristics of fossil floras, on the masses and ...
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(1996)The geochemistry of late stage diagenetic replacement of pyrite by magnetite was investigated by laboratory experiments of pyrite dissolution and magnetite precipitation involving organically complexed ferric iron. The ...
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(1998)Lithology and facial characteristics of the upper part of the Golovnino Formation in the Kunashir Island (Kuril Islands) are investigated. The distinguished interlayers of volcanic ash may be used as the age and correlation ...
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(2000)The U-Pb zircon age is determined for stratigraphically important Upper Karelian structures of the northern Ladoga region. The age of the Sortavala Group volcanics is assumed to be 1.97-1.95 Ga that coincides with age of ...
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(1998)The upper Oligocene continental deposits are widespread in the southern Belarus. They are represented by the liman-deltaic sand and clay beds of the Starodubka Formation associated with monomineral lacustrine quartz sands, ...
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(2001)In the Upper Paleocene sedimentary sequence of the Eastern Peritethys, there is a bed highly enriched in organic matter (sapropel). Investigation of microbiota, mainly of foraminifers, showed that the bed accumulated in ...
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(1987)On the basis of the paleomagnetic study of 300 dykes of various composition and with ages ranging from 2300 to 600 Ma, it is established that the peri-equatorial position of the Ukrainian Shield for this time span was ...
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(2004)Geyserites are compact opal-type rocks composed of chalcedony (probably, with opal) with variable tints of brown and less common whitish color. The presence of geyserites unambiguously indicates hydrothermal activity in ...
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(1999)Benthic foraminifers from sediments, which have been obtained at the slope of the Kuril island are in the southeastern part of the Sea of Okhotsk (Core V34-98, depth of 1175 m) and dated by using the AMS radiocarbon ...
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(1999)Changes in the abundance and taxonomic composition of organic-walled microfossil assemblages of the Late Riphean Miroedikha microbiota, one of most diverse and thriving in the Proterozoic, were analyzed at ten discrete ...
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(1998)The paper presents new data on taxonomic composition and formation environments of the Late Riphean Miroedikha microbiota from the Turukhansk Uplift, where it consists of organic-walled fossils and is most abundant and ...
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(1997)As a result of field studies conducted in the Enmyvaam River basin in 1991 and 1993, it has been found that stratigraphic units of volcanic rocks of the late stage of the Okhotsk-Chukchi volcanogenic belt (OCVB) evolution ...
Now showing items 12406-12425 of 21936