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Wyszukujesz frazę "Hieroglyphic beds" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    The Apectodinium spp. acme as an evidence for the Paleocene-Eocene thermal maximum from the Polish Outer Carpathians
    Autorzy:
    Cybulska, Danuta
    Rubinkiewicz, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/2059691.pdf
    Data publikacji:
    2020
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Apectodinium
    PETM
    dinoflagellate cysts
    Polish Outer Carpathians
    Hieroglyphic Beds
    Opis:
    Numerous Apectodinium taxa, with A. augustum, and the presence of Florentinia reichartii were found in the Bystre slice (Polish Outer Carpathians). Such abundance of Apectodinium is described for the first time in the Outer Carpathians. The occurrence of thermophilic Apectodinium taxa, with co-occurrence of Florentinia reichartii, are interpreted to be strongly related to the Paleocene-Eocene thermal maximum (PETM). The PETM is characterized by a notable global warming and changes in marine and terrestrial biota, such as a global dispersion of thermophilic dinoflagellates. We are also reporting a new, unrecorded section of the Hieroglyphic beds from the Jabłonka Stream.
    Źródło:
    Geological Quarterly; 2020, 64, 2; 241--251
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Eocene Hieroglyphic beds of Silesian Nappe in Western Polish Carpathians : development and foraminiferal record
    Autorzy:
    Waśkowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060290.pdf
    Data publikacji:
    2015
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Hieroglyphic beds
    Silesian Nappe
    Outer Carpathians
    Eocene
    foraminifera
    lithostratigraphy
    Opis:
    The sedimentation of Hieroglyphic beds of the Silesian Nappe took place between the Lower and Middle Eocene and Upper Eocene within the Carpathian Silesian Basin. These beds are represented by thin-bedded flysch containing – at various stratigraphic positions – sandstone-less complexes with variegated shales and bentonite laminae developed in conditions of calm sedimentation with a limited supply of material from the land. The profiles of Hieroglyphic beds of the Silesian Nappe are diversely developed. Their variability and borderline sequences, transitory into overlying and underlying divisions, are presented. In the Ypressian, during the sedimentation of Hieroglyphic beds, foraminiferal associations with numerous small sized Trochammina developed, which formed in the Silesian Basin after the PETM crisis. Since the Lutetian, in slightly more favourable conditions, more differentiated associations have occurred, with Reticulophragmium amplectens (Grzybowski), Ammodiscus (Dolgenia) latus (Grzybowski), and Reticulophragmium gerochi Neagu et al., which preferred cool waters, being index fossils for stratigraphy. Hieroglyphic beds developed during an interval of the gradually cooling climate. The gradual decrease in temperature stimulated the transfer of species: in the Eocene associations of Hieroglyphic beds a number of thermophilous forms, whose optimum of development came in the Upper Cretaceous-Paleocene, disappeared whereas new species appeared which prefer cold waters commonly occurring in boreal basins. The deep restructuring of foraminiferal assemblages took place in the Priabonian, when massive numbers of calcareous benthonic and planktonic forms occurred.
    Źródło:
    Geological Quarterly; 2015, 59, 2; 271--299
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stratigraphy of the Hieroglyphic Beds with “Black Eocene” facies in the Silesian Nappe (Outer Flysch Carpathians, Poland)
    Autorzy:
    Waśkowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/191339.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Eocene
    Outer Carpathians
    Hieroglyphic Beds
    foraminifera
    biostratigraphy
    dark shales
    Opis:
    The lithologic variation and biostratigraphy of the Hieroglyphic Beds were examined in the Szczyrzyc Depression, where four lithologic complexes were distinguished. The biostratigraphy is based on agglutinated foraminifera and supported by scarce planktonic foraminifera. The lower part of the Hieroglyphic Beds contains non-characteristic, Ypresian foraminifers, including assemblages of small-sized Trochammina and at successively higher levels representatives of the Bartonian Ammodiscus latus Zone and the Priabonian Reticulophragmium gerochi Zone. The upper part of the Hieroglyphic Beds, composed of dark shales enriched in TOC (1–2%), corresponds to the deposits of the so-called Black Eocene, known from the Fore-Magura group of nappes. Redeposited flysch rocks resulting from episodes of subaqueous mass flow occur in the lower Bartonian part of the section.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2015, 85, 2; 321-343
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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