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Now showing items 81-100 of 134
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(2003)The Donbas Foldbelt is part of the Prypiat–Dnieper–Donets intracratonic rift basin (Belarus–Ukraine–southern Russia) that developed in Late Devonian times and was reactivated in Early Carboniferous. To the southeast, the ...
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(2004)This article is a short review concerning the knowledge of petrographic compositions and origins of the diverse age coals in the eastern Ukraine regions, i.e. the Carboniferous age coals of the Dnieper–Donets Basin and the ...
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(2004)The authors reviewed shortly the recent state of knowledge in the field of petrographic compositions and origins of the Carboniferous age coals in the Lvov-Volyn coal basin (LVB) as well as make the proper conclusions about ...
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(2003)In the Silurian-Carboniferous (440-330 Ma), the Urals was involved in suprasubduction magmatism. The following subduction-related intrusive magmatites are recognized here: 1. Volcanic, mainly high-level complexes including: ...
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(2003)The generally accepted theory of a U-mode sutural ontogeny of prolecanitid ammonoids and their descendants is refuted. The basic suture formula of the order Prolecanitida is E A L U I (not E L U2 U1 I), resembling that of ...
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(2001)The crystallographic fabric of siderite in siderite concretions has been determined for upper Carboniferous (Westphalian-A) non-marine concretions and lower Jurassic (Pliensbachian) marine concretions. Compositional zoning ...
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(2003)Forward and reverse modelling of structure and stratigraphy has been used to investigate the syn-rift (Late Devonian) and early post-rift (Carboniferous) evolution of the south-eastern part of the Dniepr–Donets Basin (DDB). ...
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(2006)Using the results of geological mapping, including the petrostructural and petrochemical data, available, as well as the results of the previous researchers, a composite characteristic is offered for the geologic structure ...
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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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(1992)The Caledonides of Ny Friesland comprise the type Hecla Hoek sequence of Svalbard, a succession of late Proterozoic to Ordovician strata greater than 18 km thick. Three supergroups constitute the sequence: the Stubendorffbreen ...
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(2001)The number of global Carboniferous series and stages should be consistent with those of the neighbouring Devonian and Permian systems. Therefore, two series and seven to nine stages are preferred instead of two subsystems, ...
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(2001)The origin of tetrapods from sarcopterygian fish in the Late Devonian is one of the best known major transitions in the history of vertebrates. Unfortunately, extensive gaps in the fossil record of the Lower Carboniferous ...
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(2003)Geological mapping and structural analysis of the Talas Ala Tau (Tien Shan, Kyrgyz Republic) have revealed a complex structure composed of folds with axial-plane cleavage and thrust faults verging towards the NE. The main ...
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(2001)The Carboniferous δ34S record, based on the analysis of structurally substituted sulphate (SSS) in brachiopod shells, is characterized by a significant decline from values around +21±1‰ in the Tournaisian to +12±1‰ in the ...
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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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(1997)New data on the vertical and lateral distribution of key fusulinid species revealed peculiar features of their communities in the North Uralian region. The Kasimovian Stage includes here all zonal species known in the Urals ...
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(2001)A low-blank, high sensitivity isotope dilution, ICP-MS analytical technique has been used to obtain REE abundance data from single conodont elements weighing as little as 5 μg. Sr isotopes can also be measured from the ...
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(2001)A new genus and two new species of the Late Visean to Serpukhovian spiriferids from the superfamily Paeckelmanelloidea - Triangularia tumida (type species) and T. paratriangularis - are described; the description is based ...
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(2001)In the pre-Upper Carboniferous Malá Fatra Mts. metamophic complex in the Western Carpathians, banded amphibolites and amphibole gneisses include Grt-Cpx-Hbl-Pl metabasites of two types. Type I comprises massive coarse-grained ...
Now showing items 81-100 of 134