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Now showing items 21-40 of 288
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(1992)In light of recent additions to the Palaeozoic palaeo-magnetic data-base, particularly for the Ordovician era, a revised apparent polar wander (APW) path for Baltica has been constructed following a rigorous synthesis of ...
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(2005)The Siberian Traps represent one of the most voluminous continental flood basalt provinces on Earth. The mass extinction at the end of the Permian was the most severe in the history of life. In the present paper, these two ...
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(2003)Mesozoic intraplate continental basaltic volcanism at the Franz Josef Land (FJL) archipelago is related to the activity of the Iceland plume [1, 2]. The volcanic activity was less significant but genetically close to the ...
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(2002)Stratotype sections of the Asselian, Sakmarian, Artinskian, and Kungurian stages of the Cisuralian Series of the Permian System, which were studied to meet requirements of the International GSSP project, are considered. ...
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(2000)Detailed stratigraphical and paleontological investigations of many sections in the Kolyma and Omolon river basins and the Okhotsk area resulted in the elaboration of biostratigraphic bivalve zonation of Permian deposits ...
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(2004)Lithologic-facies and ecologic-taphonomic methods are jointly used to study the Lower-Upper Permian boundary deposits of a complex structure, which are represented by laterally variable marine, coastal, deltaic, lagoonal, ...
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(2005)This paper presents the results of the paleomagnetic and magnetic mineralogical studies carried out along the sequence of the recently discovered oldest Nedubrovo (Early Triassic) rocks of the Moscow Syneclise, exposed in ...
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(2004)This article considers the Carboniferous and Permian stratigrapy of the Karajilga River basin on the northern slope of the Pshart Ridge within the South Pshart tectonic block. The most complete Carboniferous-Permian section ...
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(1996)The analysis of successive conodont assemblages from Carboniferous-Permian boundary sediments of the Aidarlash and Usolka sections revealed that the boundary approaching that in the ammonoid standard is in the transition ...
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(2004)Permian waning of the low-latitude Alleghenian/Variscan/Hercynian orogenesis led to a long collisional orogeny gap that cut down the availability of chemically weatherable fresh silicate rock resulting in a high-CO2 ...
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(2002)Stable-isotope, petrographic, microprobe, and fluid-inclusion analyses were carried out on calcite and dolomite cements from two cored wells covering the lower, high-porosity stratigraphic interval (Upper Carboniferous-Lower ...
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(2001)The name Charliella is proposed for a new biseriam-minid genus characterized by a four-layered wall that I thickens along the anterior side of the septa and partially occludes the chamber cavity. Charliella rossae was ...
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(2004)Using a database on the geochemical stratigraphy of the Permian-Triassic lava sequence of the Siberian platform, we analyzed the space-time distribution of various basalt types. Two adjacent stages of magmatic activity ...
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CLIMATE DURING PERMIAN-TRIASSIC BIOSPHERE REORGANIZATIONS, ARTICLE 1: CLIMATE OF THE EARLY PERMIAN (2002)The Permian was marked by transition from the glacioera to the thermoera, the last one in the geo- logical history. This global climatic reorganization followed the significant paleogeographic changes related to Pangea ...
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(2003)The Late Permian-initial Triassic was a period of the Earth climate change, as the glacial climate of the Late Paleozoic was replaced by the non-glacial one of the Mesozoic. The intricate trend of this process is reconstructed ...
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(2005)Life at the Permian-Triassic boundary (ca. 251 Ma) underwent the largest disruption in Earth's history. Paleoclimatic data indicate that Earth was significantly warmer than present and that much of the ocean was anoxic or ...
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(2006)After comparing study on Permian basalts from Stantanghu basin eastern of Xinjiang and Liuyuan area of Beishan western of Gansu, on the basis of geochemical characteristics, it is concluded that nearly synchronogenic basalts ...
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(2019)The paper presents new original data and a review of previous studies on the Late Carboniferous – Early Permian granitoids of the Kunush and Kalguty intrusive complexes from the Kalba fold belt (East Kazakhstan). These ...
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(1997)The correlation of marine and terrestrial deposits is one of the most difficult problems of stratigraphy. The Volga-Urals region compriseś stratotypes of the Upper Permian stages (Ufimian, Kazanian, Tatarian). A thorough ...
Now showing items 21-40 of 288