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Now showing items 1-20 of 71
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(2006)The Southern Urals of Russia contain what is arguably one of the best-preserved examples of an arc-continent collision in any Paleozoic orogen. The arc-continent collision history recorded in the rocks of the Southern Urals ...
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(1996)Modern geology now concentrating its attention not at individual sections, but on paleocontinents in gross, and initiated global generalizations, appeals for a unified approach to model zonal scales usable as standards in ...
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(1992)New multichannel seismic-reflection profiles shot across the north Ural thrust front indicate the presence of previously unknown wedge-shaped foreland-verging blind duplex. The structure of this zone shows westward thrusting ...
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(1997)The estimated path of seawater 87Sr/86Sr during the Silurian and Devonian is based on 86 analyses (84 whole rocks) presented here and in other published results. The seawater 87Sr/86Sr rose steadily throughout the Silurian ...
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(2006)The region includes southeastern Yunnan and North Vietnam, which locates among the Nanhua, Yangtze and Indio-China Blocks, is a key target to study the tectonic evolution of South China and Southeastern Asian. There is a ...
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(1998)Global sea-level fluctuated markedly during the early Silurian, probably as a result of the waxing and waning of ice-sheets in the South American portion of Gondwana. The highest sea-levels of the Silurian are recorded by ...
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(2001)Eurypterid (Eurypterida, Chelicerata) palaeoecology is reviewed, in light of a statistical analysis of 74 Silurian and Early Devonian eurypterid assemblages. Kjellesvig-Waering's three eurypterid 'biofacies' model is ...
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(2006)Erosional outliers are an important component of the Ludlow (Late Silurian) stratigraphy of Gotland, Sweden. However, due to the poor degree of exposure, outcrop studies have not revealed a detailed section from any of ...
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(2004)We have analysed 129 stratigraphic sections from the Timan-Pechora basin, from its adjacent continental shelf and from the South Barents Sea basin, in order to determine whether existing models of extensional sedimentary ...
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(1997)The exoskeleton of one of the earliest osteostracans, Aestiaspis viitaensis Janvier et Lelievre, 1994, from the Silurian of Saaremaa Island (Estonia) was studied using a scanning electron microscope. On the basis of the ...
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(2006)A study was undertaken to examine the content and spatial distribution of fluoride in drinking water. Water samples (735) from public water systems covering all Estonian territory were analysed using SPADNS method. In order ...
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(2003)A huge fluorite deposit at Voznesenka in the Khanka massif, Far East Russia is concluded to have formed at ca. 450 Ma in Late Ordovician time based on the K-Ar ages for Li-micas in the fluorite ore and greisenized leucogranite ...
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(2006)A model for the combined long-term cycles of carbon and sulfur has been constructed which combines all the factors modifying weathering and degassing of the GEOCARB III model [Berner R.A., Kothavala Z., 2001. GEOCARB III: ...
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GEODYNAMIC EVOLUTION OF THE EUROPEAN VARISCAN FOLD BELT: PALAEOMAGNETIC AND GEOLOGICAL CONSTRAINTS (1997)The Variscan fold belt of Europe resulted from the collision of Africa, Baltica, Laurentia and the intervening microplates in early Paleozoic times. Over the past few years, many geological, palaeobiogeographic and ...
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(1989)Analysis of the evolution of Phanerozoic stratigraphic complexes of the western margin of the East European craton (EEC) and the Central European Platform (CEP) shows that their formation depended on the corresponding ...
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(2003)Specific porphyraceous biotite-amphibole granites considered rapakivi-like according to texture and rock and mineral compositions have been distinguished among granitoids in the eastern Hovsgol region. The granites are ...
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HELIOLITOID CORALS WITH CORMIDIA: CHARACTERIZATION, TAXONOMIC COMPOSITION, AND STRATIGRAPHIC RANGE (2004)Four types of heliolitoid cormidia are established and characterized. Cormidia occur in 4 orders, 6 families, 27 genera, and 103 species. The heliolitoids with cormidia, as well as the entire subclass Heliolitoidea, reached ...
Now showing items 1-20 of 71