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Now showing items 41-60 of 353
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(2004)Felsic magmatism has occurred over a large region of East Asia since Jurassic times and has provided important mineral resources such as tin, tungsten, base metals and gold. The circum-Japan Sea region preserves various ...
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(1996)A study was made of cyclic sequences (cyclites) in light grey Upper Cretaceous limestones in the Crimean mountains. Cyclic sequences of various types and thicknesses were recognized. The nature of the sequences made it ...
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(1996)Several sample treatments and analytical methods for the measurement of black carbon in a wide variety of sediments were considered in which the removal of organic carbon is a critical step in the procedure. A comparison ...
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(2003)The mainly dipolar geomagnetic field generated by the geodynamo within the Earth's liquid core has reversed its polarity many times in the past. This succession of intervals of alternate polarity defines the geomagnetic ...
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(2004)This article discusses the isotopic dates for the Albian alkaline basic rocks (116-104 Ma) in the Pribrezhnaya structural zone of the Primor'e region and investigated their mineral compositions. The graphite-ilmenite ...
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(2001)Some Early Cretaceous ammonites nominally listed in the stratigraphic schemes and works on the Lower Cretaceous stratigraphy of the Sikhote-Alin are briefly described and pictured in this paper. Side by side with the ...
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(Федеральное государственное бюджетное учреждение науки Институт земной коры Сибирского отделения Российской академии наук, 2017)
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(2003)In Baikal region, Mesozoic depressions are widely noted. Their formation was accompanied by active volcanism. So far, nature of the volcanism is not totally clear. In connection with this, paleomagnetic investigations of ...
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(2004)This study is the first of a series of works on trigoniids (Class Bivalvia) from the Lower Cretaceous of the Crimea. It contains systematic descriptions of nine genera and 15 species and subspecies of trigoniids from the ...
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(2001)Early Cretaceous vertebrates at Shestakovo were known since 1953, when 2 partial Psittacosaurus skeletons were found. Intensive excavations and screen-washing at Shestakovo 1 and 3 localities, carried out since 1995 by a ...
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(1997)It has been established that every tenth bed of the Upper Cretaceous-Danian flysch deposits can be traced along the southern slope of the Greater Caucasus over a distance of 1035 km. This allowed 196 synchronous markers ...
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(2015)The Sikhote-Alin Range of the Russian Far East is an important accretionary orogen of the Western Pacific Orogenic Belt. In order to study the formation and tectonic evolution of the orogen, we performed zircon U–Pb dating, ...
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(2002)A comparative study of the amount of latitudinal shift of the Siberian Plate, the Lhasa Block, the Himalayan Block and the Indian Plate using palaeomagnetic data shows that the Himalayan Block belongs to the Indian Plate. ...
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(1996)The mantle plume model has been used to explain a variety of geological and geodynamic events. For instance, a large plume, or 'superplume', under the Pacific basin has been proposed to account for a number of Cretaceous ...
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(1998)A transgressive-regressive (T-R) curve for the Jurassic and Lower Neocomian of the West-Siberian sedimentary basin was constructed on a detailed chronostratigraphic basis. This curve is compared with the quantitative ...
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(2000)True polar wander (TPW), the shift of the Earth’s rotation axis with respect to the entire globe, is most probably due to mass redistribution in the Earth’s mantle as a result of convection. Using a new rigorously selected ...
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(1989)Systematic drilling recently done during prospecting surveys in various parts of the Chu-Sarysu and the Ili depressions disclosed iron-manganese mineralization in Upper Cretaceous and Paleogene continental deposits. Their ...
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(2003)Fossil bivalves bearing oblique ribs first appeared in the Mid Ordovician but their diversity remained low during the Palaeozoic. The diversity soon increased after the Early Triassic, peaking in the Early Cretaceous. The ...
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(2005)The anhydrous phase relations of an uncontaminated (primitive), ferropicrite lava from the base of the Early Cretaceous Paraná-Etendeka continental flood basalt province have been determined between 1 atm and 7 GPa. The ...
Now showing items 41-60 of 353