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    Tytuł:
    Neogene terrestrial sedimentary environments of the Orava-Nowy Targ basin : case study of the Oravica section near Čimhová, Slovakia
    Autorzy:
    Łoziński, M.
    Wysocka, A.
    Ludwiniak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060622.pdf
    Data publikacji:
    2015
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    sedimentology
    lithofacies
    Neogene
    Orava-Nowy Targ basin
    Carpathians
    Opis:
    The Orava-Nowy Targ Basin is an intramontane depression located at the border of the Inner and Outer Carpathians. It is filled mostly with fine-grained terrestrial and fresh-water deposits of Neogene and Quaternary age, which record the structural evolution and denudation processes of the surrounding regions: Orava, Podhale, and the Tatra Mts. The Orava-Nowy Targ Basin fill was studied in the Oravica River section, which reveals 90 m thick Neogene deposits and allows observation of their lateral diversity. Fifteen lithofacies and seven facies associations distinguished here document the depositional evolution of the basin fill, starting from hill-slope debris flow through silt turbidite-bearing lake, to flood-dominated fluvial plain, swamp and alluvial fan deposits, as well as a pyroclastic event. The palaeorelief was low during deposition and the Orava-Nowy Targ Basin could have spread significantly more to the south.
    Źródło:
    Geological Quarterly; 2015, 59, 1; 21--34
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lithofacies and terrestrial sedimentary environments in AMS measurements: case study from Neogene of Oravica River section, Čimhová, Slovakia.
    Autorzy:
    Łoziński, M.
    Ziółkowski, P.
    Wysocka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059848.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    anisotropy
    magnetic susceptibility
    facies analysis
    terrestrial environments
    Neogene
    Orava-Nowy Targ Basin
    Opis:
    The anisotropy of magnetic susceptibility (AMS) of sedimentary rocks has been used for interpreting wide range of processes: early rock deformations, palaeotransport directions, as well as the evolution of mineral content. Various sedimentary factors which may determine magnetic susceptibility within lacustrine, river, floodplain and swamp deposits have been examined in the Oravica section of the Orava-Nowy Targ Basin. Multiple components of mineral content: illite, chlorite, smectite, kaolinite, quartz and unidentified high susceptibility phase make an AMS interpretation of this content ambiguous. However, this method may be useful for tracing early diagenetic geochemical/microbial processes where iron element is involved. Some sedimentary processes may be recognized from AMS when an assemblage of parameters is studied together: bulk susceptibility, the degree and the shape of anisotropy, principal directions, and the distribution of all these parameters within a set of specimens. Debris-flow processes, as well as lacustrine and floodplain sedimentation are especially well-defined in AMS results. Palaeotransport directions are ambiguous because studied rocks have undergone weak deformation what overprints this sedimentary feature. Most specimens represent an oblate shape of anisotropy and show a good correlation of minimum susceptibility axis and normal to bedding plane.
    Źródło:
    Geological Quarterly; 2016, 60, 2; 259--272
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New data on the age of the sedimentary infill of the Orava-Nowy Targ Basin : a case study of the Bystry Stream succession (Middle/Upper Miocene, Western Carpathians)
    Autorzy:
    Wysocka, A.
    Łoziński, M.
    Śmigielski, M.
    Czarniecka, U.
    Bojanowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059754.pdf
    Data publikacji:
    2018
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    tuffite
    terrestrial facies
    U-Pb geochronology
    strike-slip faulting
    Miocene
    Orava-Nowy Targ Basin
    Opis:
    The Neogene sedimentary succession of the Orava-Nowy Targ Basin directly overlies the Central Carpathian Paleogene Basin deposits, the Magura Unit, and the Pieniny Klippen Belt. It provides an excellent geological record that postdates the main Mesoalpine structural and geomorphological processes in the Western Carpathians. Sedimentological, petrographical and geochronological investigations have allowed forthe re-examination of pyroclastic material, zircon dating, and a discussion on the relation of the Orava-Nowy Targ Basin to the exhumation of the Tatra Massif. The Bystry Stream succession is composed of NNW-inclined freshwater siltstones, sandstones and conglomerates. A few small, sometimes discontinuous, light grey intercalations of pyroclastic deposits and a single 1-2 m thick tuffite layer occur in the upper part of the succession. The tuffite contains an admixture of organic matter and siliciclastic grains (e.g., mica), suggesting that the volcanic ash fall was accompanied by normal deposition from weak currents. Sedimentation of deposits of the Bystry Stream succession took place in terrestrial settings, predominantly on floodplains and in rivers, in the vicinity of a hilly area supplying the basin with eroded material. The age of the tuffite layer from the Bystry Stream succession was determined at 11.87 +0.12/-0.24 Ma. The source of volcanogenic material in the tuffite was probably volcanic activity in the Inner Carpathians-Pannonian region, where effusive and volcanoclastic sillca-rich rocks were being produced by extrusive and explosive activity ~12 Ma. Obtained result connects the development of the Orava-Nowy Targ Basin at ~12 Ma with the late stage of the main episode of the Tatra Massif exhumation between ~22-10 Ma.
    Źródło:
    Geological Quarterly; 2018, 62, 2; 327--343
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Warunki rozwoju i rozmieszczenie torfowisk w Kotlinie Orawsko-Nowotarskiej
    Development conditions and distribution of peat bogs in the Orava-Nowy Targ Basin
    Autorzy:
    Łajczak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074702.pdf
    Data publikacji:
    2009
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Kotlina Orawsko-Nowotarska
    Karpaty Zachodnie
    torfowiska niskie
    torfowiska wysokie
    wypływy wód gruntowych
    Orava-Nowy Targ Basin
    Western Carpathians
    low peat bogs
    raised peat bogs
    shallow groundwater circulation
    Opis:
    The Orava-Nowy Targ Basin is the only intramontane basin in the Carpathian Mountains, where numerous low and raised peat bogs developed in the Holocene. The peat bogs were originally comprising about 40% of the basin area. to became confined to 12%, in result of several centuries of exploitation of peat. On the basis of investigations on geomorphological location of the preserved relics of peat bogs, and reconstructions of their original extent, an attempt was made to identify natural environment factors which had the biggest influence on development of peat-forming process within the Orava-Nowy Targ Basin. The most important of these factors were found to be landforms of fluvioglacial and fluvial accumulation and their composition, as well climatic conditions. However, it should be stated that distribution of raised peat bogs appears to be mainly controlled by the mode of circulation of shallow groundwaters and location of their stable outflows. This is an aspect of development of peat bogs that has not been studied up to now.
    Źródło:
    Przegląd Geologiczny; 2009, 57, 8; 694-694
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reduction of the extent of peat deposits and their water retention capacity in the Orava-Nowy Targ Basin and Bieszczady Mts. due to human activity
    Autorzy:
    Łajczak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075088.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    anthropopression
    raised bog
    peat dome
    post-peat area
    peat extraction
    reclamation works
    shallow groundwater
    Orava-Nowy Targ Basin
    Bieszczady Mts.
    antropopresja
    wysokie torfowisko
    kopuła torfowa
    młodsze potorfie
    wydobycie torfu
    prace rekultywacyjne
    płytkie wody podziemne
    Kotlina Orawsko-Nowotarska
    Bieszczady
    Opis:
    The paper deals with the problem of anthropogenic changes in the extent of peat deposits, their volume and water retention capacity of raised and valley peat bogs in the Polish part of the Orava-Nowy Targ Basin and the Bieszczady Mts. This problem has not received a great deal of attention in the research literature. Special attention was paid to the remnants of peat domes and post-peat areas. The decrease in the area of peat bogs, the volume of peat deposit and the quantity of water retained within them were estimated for the last ca. 400 years. This paper is based on an analysis of maps produced over the last 230 years as well as aerial photographs. Field data and laboratory data were also analyzed as part of this research.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 9; 532--540
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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