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Browsing ELibrary by Title
Now showing items 8986-9005 of 21936
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(2002)Permian bivalves of the Transbaikal Region were monographically treated for the first time. Seven biostratigraphic units ranked as «beds with fauna» were correlated with the Permian bivalve zonation for northeastern Asia. ...
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(1999)The most recent global icehouse-hothouse climate transition in Earth history occurred in the Permian. Warmer polar conditions relative to today existed from the middle Permian through the Mesozoic and into the Cenozoic. ...
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(2002)Because of a depositional hiatus, Late Carboniferous corals are unknown from the eastern Cimmerian Continent. Early Permian (Asselian to Artinskian) corals are characterized by non-dissepimented solitary forms, and the ...
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(1996)The Permian deposits of the whole Novaya Zemlya Archipelago are described for the first time. Five facies zones are distinguished and described. The age of brachiopod assemblages studied earlier was revised. Depositional ...
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(2000)Significant progress has been attained in the studies of the Upper Permian in the stratotype of the Permian System. The results of the studies conducted by many geologists and paleontologists on the Permian deposits in ...
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(2003)Most of Kazakhstan belongs to the Ural-Mongol belt, the tectonic evolution of which is poorly understood as demonstrated by disparate tectonic models suggested thus far. We undertook a palaeomagnetic study of Upper Permian ...
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(1999)This study has yielded surface water paleotemperatures from primary fluid inclusions in mid Permian Nippewalla Group halite from western Kansas. A `cooling nucleation' method is used to generate vapor bubbles in originally ...
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(1998)The Rugosa zonation and assemblages from formations and stages of the Bolorian (Lower Permian) to the Dorashamian (Upper Permian) are first defined in the Permian deposits of the southeastern Pamirs. Two new genera ...
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(2003)The 1,500- to 2,000-m-thick Permian volcano-sedimentary Maluzina Formation of the uppermost nappe of the Central Western Carpathians (a segment of the Alpine-Carpathian orogenic belt) occurs in several fault blocks distributed ...
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(2001)Lower Permian volcanism was the first magmatic activity to occur after the collision events in the Mongolian orogenic zone, east China. The Permian volcanic rocks are therefore a key to understanding the dynamics of the ...
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(2001)Two phases can be distinguished in development of foraminifers during the Late Permian crisis. The first phase was marked by extinction of 40% of total foraminiferal genera. The crisis affected particularly fusulinids, ...
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(1997)The first description of the stratotype of the Ust'-Kel'ter Horizon with its specific characteristics is given. A new stratigraphic unit, the Marininskii Horizon, is distinguished and substantiated, and its stratotype is ...
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(2003)Ecological traits of reefs across the Permian-Triassic boundary interval coincide with a modeled decline of atmospheric oxygen throughout the Permian Period. Selective extinction and recovery patterns within the reef system ...
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(1999)Eight conchostracan faunas described in the paper successively replace one another in the Upper Permian-Middle Triassic sedimentary sequence of the Siberian platform, Taimyr, and Verkhoyansk Range. Data on microsculpture ...
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(2004)Permo-Carboniferous rifting in Europe was accompanied by the widespread emplacement of mantle-derived magmas forming regional dyke swarms and sills in northern England, Scotland, Norway and southern Sweden during the late ...
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(2002)At the transition from the Permian to the Triassic, Eurasia was the site of voluminous flood-basalt extrusion and rifting. Major flood-basalt provinces occur in the Tunguska, Taymyr, Kuznetsk, Verkhoyansk–Vilyuy and Pechora ...
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(1996)After stepwise thermal demagnetization of Upper Permian tuffaceous red beds (localities 1 and 2) and Triassic volcanics (locality 3) of North Pamir (Central Asia), the following mean directions of characteristic magnetization ...
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PERMO-TRIASSIC TRAP MAGMATISM ON THE SIBERIAN PLATFORM: SOME PROBLEMS OF AGE AND MAXIMUM INTENSITY (1997)Using the available literature data and his own K-Ar datings, the author estimates the general duration of the platform magmatism of basic rocks on the Siberian Platform, including the trap magmatism. Its repeated occurrence ...
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(2004)The regular structures of noble opal form as a result of permolecular crystallization of concentrated suspensions of structural units (SU) represented by charged monodisperse spherical silica particles (MSSP) surrounded ...
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(1988)We investigated the total charge of rock blocks that have required long-term polarization by failure or friction, and thus the exchange of charge between such blocks and the surroundings. With a view to the geophysical ...
Now showing items 8986-9005 of 21936