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Now showing items 1-20 of 288
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(2001)2-Methylretene has been synthesised, characterised and identified in sedimentary material from a range of locations, source types and ages. 2-Methylretene was observed only in samples of Permian to Tertiary age and can be ...
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(1997)Five of six samples representing the entire stratigraphic sequence (∼3700 m thick) of basaltic flows in the Noril'sk section in the northwestern part of Siberian flood basalt province, Russia yield 40Ar–39Ar plateau ages ...
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(2002)Based on an incomplete lower jaw, a new scaloposaurian, Malasaurus germanus gen. et sp. nov., is described. This is a multidentate scaloposaurid with five lower incisors and a long mandibular symphysis of extraordinary structure.
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(2001)The Biliutai pluton, as the host of a small gold deposit, containing dark-gray enclaves, intruded into the Lower Permian volcanic-sedimentary formations in east Inner Mongolia, China. The host rocks and enclaves formed ...
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(1996)Establishing an accurate and precise age for Siberian flood-basalt volcanism is of great importance in evaluating causes for the unequaled mass extinction of flora and fauna at the Permian-Triassic boundary. We report a ...
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(2004)The species composition of the genus Dielasma, which has until recently included the majority of Late Permian terebratulids, is revised. The internal structure of some terebratulid species is studied in a series of transverse ...
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(2003)In the Permian strata (Upper Tatarian Substage, Vyatkian Horizon, Scutosaurus karpinskii Tetrapod Zone, Chroniosuchus paradoxus Subzone) near the town of Gorokhovets (Vladimir Region), a locality of Late Permian vertebrates ...
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(2001)The insect Sylvaprisca gravis n.g.n.sp. (Grylloblattida, Lemmato-phoridae) is described from the Lower Permian of the locality Chekarda in the Middle Ural (Russia).
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(2004)Viatkogorgon ivachnenkoi Tatarinov is a small gorgonopian with well-developed gastralia and hypapophyses of the caudal vertebrae and broad and short feet with distal intertarsal contacts. This animal was apparently a ...
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(1995)age spectra of biotite from a mineralized vein in the ore-bearing, Noril'sk I intrusion and from picritic-like gabbrodolerite from the weakly mineralized, Lower Talnakh intrusion show that these bodies were emplaced at 249 ...
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(Федеральное государственное бюджетное учреждение науки Институт земной коры Сибирского отделения Российской академии наук, 2017)
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(2015)The Central Asian Orogenic Belt records the accretion and convergence of three collage systems that were finally rotated into two major oroclines. The Mongolia collage system was a long, N–S-oriented composite ribbon that ...
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(2005)Helium concentration and isotopic composition were measured in a suite of samples across the Permian–Triassic boundary at Opal Creek, Canada, to determine whether high extraterrestrial helium concentrations are associated ...
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(2003)The Solonker suture records the termination of the central Asian Orogenic Belt (CAOB). However, tectonic development of the Solonker suture is poorly understood. We report new field data for the Ondor Sum melange in the ...
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(2002)The Permian–Triassic (P–T) mass extinction, the greatest biological mortality event in the Earth’s history, was probably caused by dramatic and global forcing mechanisms such as the Siberian flood volcanism. Here we present ...
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(2004)Taxonomic diversity is only one possible biodiversity metric. Studies of taxonomic and morphologic diversity indicate that the two need not be closely linked. Mass extinctions, and their associated recovery periods, can ...
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(Федеральное государственное бюджетное учреждение науки Институт земной коры Сибирского отделения Российской академии наук, 2017)
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(1987)The meteorite crater is isometric, with some angularity. The highest evaluation of its rim is 755 m in the south and 712 m in the north. The maximum evaluation of the rim above the crater floor is 305 m. The width of the ...
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(2000)A database of 86 Permian brachiopod families, 411 genera and 1931 species of the Asian-western Pacific region was analysed using a range of statistical measures to unravel the changing patterns of diversity, origination ...
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(1988)The Siberian craton abounds with traps of different facies, and may be regarded in this respect as a standard. Permian-Triassic traps are most common here, so we primarily use them to characterize the volcanisms of the ...
Now showing items 1-20 of 288