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Wyszukujesz frazę "Anisian (Middle Triassic)" wg kryterium: Wszystkie pola

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Supplemental data on Triassic (Anisian) corals from Upper Silesia (Poland)
    Autorzy:
    Morycowa, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/191605.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Scleractinia
    taxonomy
    Peri-Tethyan basin
    Middle Triassic
    Upper Silesia
    southern Poland
    Opis:
    About twenty species of scleractinian corals are known from the shallow marine epicontinental deposits (Middle Triassic: Anisian, Muschelkalk) of Kraków-Upper Silesia region. Four of them require taxonomic revision. On the basis of partly preserved micromorphological features and the microstructure of the skeletons two of them are corrected, i.e. Coelocoenia? assmanni Weissermel, 1925 and C. exporrecta Weissermel, 1925, from Kamień Śląski, near Opole (Upper Silesia). Coelocoenia? assmanni was incorporated into Eckastraea prisca (Weissermel, 1925), family Eckastraeidae Morycowa, 2006, in Morycowa and Szulc (2006) and C. exporrecta is assigned to a new genus Opolestraea nov. gen., family Eckastraeidae.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2018, 88, 1; 37-45
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aszulcicrinus, a new genus of the Triassic crinoid family Dadocrinidae (Articulata; Encrinida) from Poland
    Autorzy:
    Hagdorn, Hans
    Powiązania:
    https://bibliotekanauki.pl/articles/1836258.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Crinoidea
    Middle Triassic
    early Anisian
    Upper Silesia
    functional morphology
    taphonomy
    Opis:
    The new genus and species Aszulcicrinus pentebrachiatus of the family Dadocrinidae from the ear-ly Middle Triassic Lower Gogolin Formation of Upper Silesia Upland is described. In contrast to Dadocrinus, the second primibrachial of Aszulcicrinus is not axillary for articulation with two arms but articulates with a third primibrachial and the first pinnule. This character results in five unbranched arms, which is unique in the order Encrinida. The significance of this character is discussed and paedomorphic or ecophenotypic explanations are excluded. The presence of only five unbranched arms predominates through the ontogeneny of Aszulcicrinus from early postlarval to adult stage. Within the family Dadocrinidae (Aszulcicrinus - Dadocrinus - Carnallicrinus), a phylogenetic trend towards size increase coincident with increasing arm number and denser pinnulation is inter-preted as an improvement in filter-feeding efficiency. The sedimentological and taphonomic setting of the obru-tional conservation lagerstätte of the type locality is described.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2020, 90, 4; 381-390
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reefal environments and sedimentary processes of the Anisian Karchowice Beds in Upper Silesia, southern Poland
    Autorzy:
    Matysik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/191930.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Middle Triassic
    palaeoenvironments
    sponge-coral reefs
    Upper Silesia
    Opis:
    The Anisian shallow-marine Karchowice Beds of the Upper Silesia represent reefal habitats and circum-reefal environments, where biological-mechanical interactions determine sedimentary processes and facies pattern. The purpose of this study was recognition of the interaction between biological and mechanical controls of carbonate deposition. Such interdependence resulted in considerable lateral variability of thickness and lithological features, observed at a distance of 25 km. The western part of the basin is dominated by proximal facies (reefal facies), whereas the eastern one represents distal facies (fore-reef). Sedimentary succession in the western area is twice as thick than the eastern one. It resulted from different rate of subsidence owing to block tectonics, controlled by reactivated ancestral Silesian-Moravian Fault. Small-scale synsedimentary faults confirm syndepositional tectonic activity in the region. Palaeogeographical position caused that the Upper Silesia was strongly affected by monsoon climate, generating storms. These storms contributed to episodic deposition, prevailing during the sedimentation of Karchowice Beds. However, most of time was represented by prolonged non-deposition periods, recorded as interstratal hiatuses, but also by forming of firmgrounds, micritization and coating of bioclasts or substrate recolonisation by organisms.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2010, 80, No 2; 123-145
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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