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Now showing items 61-80 of 120
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(2001)The Kola-Kanin Monocline has been recently recognized as a potentially prospective region for hydrocarbon discoveries. There may be good generating potential within Riphean grabens. Sedimentary sequences of the Riphean ...
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(2005)The presence of pre-Paleozoic ophiolites in the Polar Ural region has been a matter of debate for a long time. In order to solve this problem rock samples were collected from the Enganepe Ridge and the Kharbei metamorphic ...
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(1999)A description and reconstruction of the new fossil are based on the rounded isometric imprints which are composed of two rows of transverse elements. The elements are arranged in the manner of glide reflection symmetry. ...
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(2003)The earliest type of tissue differentiation in carbonaceous thallus has been discovered in the uniquely preserved material from the Vendian of the White Sea area (Russia). A new genus, Archyfasma gen. nov., with its type ...
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(2004)Monitoring of the confined Cambrian-Vendian aquifer system utilised for industrial water supply at Kopli Peninsula in Tallinn over 24 years reveals remarkable changes in chemical composition of groundwater. A relatively ...
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(2003)Origin of the eukaryotic organisms (including the multicellular animals or Metazoa) is commonly considered to be related to growing oxygen content in the atmosphere up to a level that allows aerobic metabolism. Here it is ...
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(2006)Reported in this paper are the results of the analysis and generalization of the geological, radiometric, paleomagnetic and biogeographical data obtained in the Western, Central, and Eastern Tien Shan during the study of ...
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(2003)The Vendian–Cambrian boundary is one of the most important geological milestones in the Earth’s evolution. It is suggested that the short-living Pannotia supercontinent was breaking out at that time as a result of vigorous ...
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(2004)A large gap is documented in the Patom Upland, at the base of the Zherba Formation. The closely connected Tirbes Formation is now considered as its completing member. The Tinnaya Formation is separated from the Zherba and ...
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(1986)In Siberia Vendian is equated with a Yudoma Complex or Yudomian. Yudomian deposits of the Siberian Platform and adjacent geosynclines differ greatly in facies and thickness. According to the composition and structure of ...
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(2003)This paper is based on the results of the work done during a long period of time in the framework of the International Project "Atlas of Lithopaleographic, Structural and Geoecological Maps of Central Eurasia''. Having ...
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(2004)Representative C-isotope characteristics are first obtained for the Lower Yudomian carbonates (YuKanda Formation) from the Belaya and Sakhara sections in the Yudomian stratotype area. The least altered carbonate samples ...
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(1998)Two Proterozoic terranes with different metamorphic histories are distinguished from geological mapping in southwestern Wedel Jarlsberg Land: a northern greenschist facies terrane and a southern amphibolite facies terrane ...
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(2005)New paleomagnetic data have been obtained for the Late Vendian sedimentary rocks of the East Sayan and Southwest Baikal regions in the southwest of the Siberian platform. Two substantially different paleomagnetic components ...
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(2003)In the SW Urals a change of tectonic conditions occurred at around 620 Ma leading to a detrital input from contrasting provenance areas. Fifty-seven detrital zircons were separated from Proterozoic sandstones of this setting ...
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(2003)We substantiate theoretically the recognition of the Paleozoic-Early Mesozoic Ural-Paikhoi-Novaya Zemlya fold belt as Uralides not analogous to Hercynides (Variscides) and the preceding Late Vendian Timan folded structures ...
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(2001)A new family, a new genus, and two new species of Metazoan (class Vendiamorpha, phylum Proarticulata) are described from the Upper Vendian of the Arkhangelsk Region. The body of the animal was composed of alternating ...
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(2002)Vendian, chiefly clastic sedimentation on the southwest of the Siberian craton is discussed under the tenet of a foreland basin that came into being in the Vendian epoch at the margin of the Siberian continent (craton) due ...
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(1989)Microfossils in the cherts of Precambrian carbonate deposits in young folded regions are found considerably more rarely than in old craton regions, like the Siberian craton and its Precambrian folded rim. Such finds are ...
Now showing items 61-80 of 120