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Browsing ELibrary by Title
Now showing items 8729-8748 of 21934
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(2002)The Grebenka flora, from the main exposure of the Albian–Cenomanian Krivorechenskaya Formation in northeastern Russia, represents a range of plant communities from pioneer to mature forest that grew close to the mid-Cretaceous ...
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(2003)Southward drifting of the western Gondwanan margin during the Cambrian has been demonstrated by means of both palaeomagnetic methods and lithological indicators of climate (such as carbonates and evaporites). Recent ...
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(2001)Yezupil is the first Middle Palaeolithic site discovered in upper part of the Dnister River valley. It is situated in a set of sediments composed of loess and fossil soils lying on alluvia. The results of geological and ...
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(1995)The conventional corrections for bedding dip in palaeomagnetic studies involve either untilting about strike or about some inclined axis--the choice is usually governed by the perceived fold hinge orientation. While it has ...
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(2002)Palaeomagnetic and rock-magnetic studies have been carried out for Cretaceous non-marine sedimentary rocks (Gongju Group) and volcanic rocks in the Gongju Basin, located along the northern boundary of the Ogcheon Belt, ...
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(2003)Palaeomagnetic data are used to study the configurations of continents during the Proterozoic. Applying stringent reliability criteria, the positions of the continents at 12 times in the 2.45- to 1.00-Ga period have been ...
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(2001)This paper presents a palaeomagnetic investigation in the Pamirs of Tadjikistan. Remanences are mainly carried by magnetite and are of secondary, synfolding origin. Application of a new method, the small-circle reconstruction, ...
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(2001)A palaeomagnetic study of Vendian and Early Cambrian sediments from the Angara block of the Siberian platform: Shaman (52.08°N, 108.83°E) and Minya (58.0°N, 110.0°E) Formations, and the Tuva-Mongolian block: Tsagan-Olom ...
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(2004)A detailed palaeomagnetic and magnetostratigraphic study of the Permian–Triassic Siberian Trap Basalts (STB) in the Noril'sk and Abagalakh regions in northwest Central Siberia is presented. Thermal (TH) and alternating ...
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(2001)A preliminary palaeomagnetic and rock magnetic study was carried out on 248 Plio-Quaternary lava flows and three interbedded lacustrine sedimentary layers from Georgia (Caucasus). Most samples are characterised by a single ...
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(2001)A palaeomagnetic study has been performed on Palaeo-Mesoproterozoic rocks from three crustal blocks of the Ukrainian Shield, southern Sarmatia. Primary remanent magnetizations have been isolated in 2.0Ga monzonite, 2.0–1.8Ga ...
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(1996)Oriented samples of the Lower Cambrian Bayan Gol Formation from Salaany Gol, Mongolia, were collected at roughly 5 m stratigraphic intervals for palaeomagnetic analysis. Progressive alternatingfield and thermal demagnetization ...
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(2005)Palaeomagnetic and petromagnetic studies were carried out in two sections of the Late Vendian-Early Cambrian rocks in the southeastern White Sea region. Ninety meters of the Zolotitsa River section (350 oriented lump samples ...
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(2003)The discreteness or otherwise of major Ordovician and Silurian terranes can be recognised by the shallow-water benthic faunas which lived upon them. Their borders are often indicated by the disposition of progressively ...
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(1990)The microfossils of the genus Palasopleurocapsa are characterized by a very distinctive structure. They are the fossilized remains of attached chamesiphonal blue-green algae, in which the thallus is formed of closely ...
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(2001)Magnesite forms a series of 1- to 15-m-thick beds within the ≈2·0 Ga (Palaeoproterozoic) Tulomozerskaya Formation, NW Fennoscandian Shield, Russia. Drillcore material together with natural exposures reveal that the 680-m-thick ...
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(2001)The ca. 2.2 Ga Kuetsjarvi Sedimentary Formation (KSF) of the Pechenga Greenstone Belt, the north-east Fennoscandian Shield, contains the oldest travertines so far reported in the literature. The travertine-hosting succession ...
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(2001)Project No. 369 ("Comparative Evolution of PeriTethyan Rift Basins") of the International Geological Correlation Program produced a new palaeotectonic-palaeogeographic atlas of the western PeriTethyan domain. The atlas ...
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(2004)The southern Altaids present a unidirectional section from Mongolia to China through an accretionary orogen that youngs progressively from Neoproterozoic in the north to Permian in the south. The orogen formed by forearc ...
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(2002)A new compilation of deep seismic reflection data, in combination with the results of recent geological and isotopic investigations, provides the basis for significantly refined structural and evolutionary models of the ...
Now showing items 8729-8748 of 21934