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    Wyświetlanie 1-5 z 5
    Tytuł:
    Korelacja podziałów amonitowych i dinocystowych przy granicy oksfordu i kimerydu na podstawie profilów wierceń Bartoszyce IG 1 i Kcynia IG IV
    The ammonite-dinocyst subdivisions correlation at the Oxfordian/Kimmeridgian boundary in the Bartoszyce IG 1 and Kcynia IG IV cores from northern Poland
    Autorzy:
    Barski, M.
    Matyja, B. A.
    Wierzbowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2077306.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Upper Jurassic
    ammonite biostratigraphy
    dinocyst
    biostratigraphy
    correlations
    jura górna
    biostratygrafia amonitowa
    biostratygrafia
    korelacje
    Opis:
    Detailed study of ammonite and Dinoflagellata assemblages from the Bartoszyce IG 1 and Kcynia IG N cores in northern Poland comprises the stratigraphical interval at the Oxfordian/Kimmeridgian boundary. Correlations along well defined biostratigraphical horizons between the particular ammonite subdivisions typical of different biogeographical provinces and subdivisions based on Dinoflagellate cysts are discussed.
    Źródło:
    Volumina Jurassica; 2005, 3, 1; 87--96
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ammonite biostratigraphy in the Polish Jura sections (central Poland) as a clue for recognition of the uniform base of the Kimmeridgian Stage
    Autorzy:
    Wierzbowski, A.
    Matyja, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061050.pdf
    Data publikacji:
    2014
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ammonites
    stratigraphy
    correlations
    zonal schemes
    Upper Jurassic
    Oxfordian/Kimmeridgian boundary
    amonity
    stratygrafia
    korelacje
    systemy strefowe
    Opis:
    The ammonite succession in the stratigraphical interval from the Bifurcatus Zone, through the Hypselum Zone, up to the lower part of the Bimammatum Zone corresponding to a large part of the Submediterranean Upper Oxfordian is studied in several sections of the Polish Jura in central Poland. The sections have yielded numerous ammonites of Submediterranean–Mediterranean affinity, but also, some of Boreal and Subboreal character. The co-occurrence of ammonites of different bioprovinces makes possible the correlation between the different zonal schemes – especially between the Subboreal/Boreal zonations and the Submediterranean/Mediterranean zonation. The correlation shows that the boundary of the Pseudocordata and Baylei zones (Subboreal) and its equivalent – the boundary of the Rosenkrantzi and Bauhini zones (Boreal), currently proposed as the primary standard of the Oxfordian-Kimmeridgian boundary within its GSSP at Staffin Bay (Isle of Skye, Scotland), runs in the Submediterranean/Mediterranean Upper Oxfordian near the base of the Bimammatum Zone. This discovery removes the main obstacle against the formal recognition of the Staffin Bay section as representing the uniform base of the Kimmeridgian Stage in the World and its GSSP. The ammonite taxa recognized are commented on and/or described, and suggestions on their taxonomical and phylogenetical relations are given in the palaeontological part of the study. A new taxon is established: Microbiplices anglicus vieluniensis subsp. nov.
    Źródło:
    Volumina Jurassica; 2014, 12, 1; 45--98
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Taxonomical revision of the perisphinctid ammonites of the Upper Jurassic (Plicatilis to Planula zones) described by Józef Siemiradzki (1891) from the Kraków Upland
    Autorzy:
    Głowniak, E.
    Wierzbowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061324.pdf
    Data publikacji:
    2007
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    górna jura
    Wyżyna Krakowska
    Siemiradzki Józef
    Polska Akademia Umiejętności
    Komisja Fizjograficzna
    perisphinctid ammonites
    Upper Jurassic
    Kraków Upland
    Polish Academy of Arts and Sciences
    Physiographic Commission
    Opis:
    This systematic account contains descriptions of ammonite species of the superfamily Perisphinctoidea from the collection of the Physiographic Commission of the 19th century Academy of Arts and Sciences in Kraków. The emphasis is on the description of 11 species introduced by Siemiradzki (1891), e.g. Subdiscosphinctes kreutzi, S. mindowe, S. jelskii, S. dunikowskii, S. ? cracoviensis, S. ? dybowskii, Perisphinctes (Perisphinctes) vajdelota, Perisphinctes (Dichotomosphinctes) crotalinus, P. (Dichotomoceras) alpinus, and Perisphinctes damesi recognised to be nomen dubium, as well as a single species from the Bimammatum Zone – Ringsteadia teisseyrei. Most of the species mentioned are re-described and illustrated for the first time in this paper. In addition, the descriptions of 18 nominal species as well as another 32 species left in open nomenclature, are provided. The species are assigned to 8 genera (Subdiscosphinctes, Perisphinctes, Neumannia, Passendorferia, Idoceras, Orthosphinctes and Ringsteadia) in 3 families (Perisphinctidae, Ataxioceratidae and Aulacostephanidae). In the family Perisphinctidae two new informal species groups have been distinguished: Perisphinctes (Dichotomosphinctes) elisabethae group and the Subdiscosphinctes ? dybowskii group. The Subdiscosphinctes ? cracoviensis group as distinguished by Brochwicz-Lewi�ski, has been re-described and some new forms included in it. The species indicate the Plicatilis and Transversarium zones of the Middle Oxfordian, and the Bifurcatus, Bimammatum and Planula zones hitherto as a whole assigned to the Submediterranean Upper Oxfordian, but in fact correlating with the Upper Oxfordian (Bifurcatus Zone and the lower part of the Bimammatum Zone) and the lowermost Kimmeridgian (upper part of the Bimammatum Zone and Planula Zone) of the Subboreal primary standard for the Oxfordian/Kimmeridgian boundary. The erroneous opinion presented by Siemiradzki (1891) concerning the alleged discordant occurrence of Kimmeridgian deposits of the so called Oppelia tenuilobata Zone in the area studied has been corrected and explained. The paper is provided with some useful species inexes.
    Źródło:
    Volumina Jurassica; 2007, 5, 1; 27-147
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Towards a consistent Oxfordian/Kimmeridgian global boundary: current state of knowledge
    Autorzy:
    Wierzbowski, A.
    Atrops, F.
    Grabowski, J.
    Hounslow, M.
    Matyja, B. A.
    Olóriz, F.
    Page, K.
    Parent, H.
    Rogov, M. A.
    Schweigert, G.
    Villaseñor, A. B.
    Wierzbowski, H.
    Wright, J. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060996.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Upper Jurassic
    stratigraphical correlation
    ammonites
    palaeomagnetism
    biogeographical provinces
    climatic changes
    environmental changes
    Oxfordian/Kimmeridgian boundary
    jura dolna
    korelacja stratygraficzna
    amonity
    paleomagnetyzm
    prowincje biogeograficzne
    zmiany klimatyczne
    zmiany środowiskowe
    Opis:
    New data are presented in relation to the worldwide definition of the Oxfordian/Kimmeridgian boundary, i.e. the base of the Kimmeridgian Stage. This data, mostly acquired in the past decade, supports the 2006 proposal to make the uniform boundary of the stages in the Flodigarry section at Staffin Bay on the Isle of Skye, northern Scotland. This boundary is based on the Subboreal-Boreal ammonite successions, and it is distinguished by the Pictonia flodigarriensis horizon at the base of the Subboreal Baylei Zone, and which corresponds precisely to the base of the Boreal Bauhini Zone. The boundary lies in the 0.16 m interval (1.24–1.08 m) below bed 36 in sections F6 at Flodigarry and it is thus proposed as the GSSP for the Oxfordian/ Kimmeridgian boundary. This boundary is recognized also by other stratigraphical data – palaeontological, geochemical and palaeomagnetic (including its well documented position close to the boundary between magnetozones F3n, and F3r which is placed in the 0.20 m interval – 1.28 m to 1.48 m below bed 36 – the latter corresponding to marine magnetic anomaly M26r). The boundary is clearly recognizable also in other sections of the Subboreal and Boreal areas discussed in the study, including southern England, Pomerania and the Peri-Baltic Syneclise, Russian Platform, Northern Central Siberia, Franz-Josef Land, Barents Sea and Norwegian Sea. It can be recognized also in the Submediterranean-Mediterranean areas of Europe and Asia where it correlates with the boundary between the Hypselum and the Bimmamatum ammonite zones. The changes in ammonite faunas at the boundary of these ammonite zones – mostly of ammonites of the families Aspidoceratidae and Oppeliidae – also enables the recognition of the boundary in the Tethyan and Indo-Pacific areas – such as the central part of the Americas (Cuba, Mexico), southern America, and southern parts of Asia. The climatic and environmental changes near to the Oxfordian/Kimmeridgian boundary discussed in the study relate mostly to the European areas. They show that very unstable environments at the end of the Oxfordian were subsequently replaced by more stable conditions representing a generally warming trend during the earliest Kimmeridgian. The definition of the boundary between the Oxfordian and Kimmeridgian as given in this study results in its wide correlation potential and means that it can be recognized in the different marine successions of the World.
    Źródło:
    Volumina Jurassica; 2016, 14, 1; 15--49
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Jurajskie utwory sukcesji czertezickiej profilu Góry Zamkowej masywu Trzech Koron w Pieninach
    Jurassic deposits of the Czertezik Succession of the Zamkowa Mt (Trzy Korony massif) in the Pieniny Mts
    Autorzy:
    Wierzbowski, A.
    Krobicki, M.
    Muszyński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/183985.pdf
    Data publikacji:
    2009
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Pieniński Pas Skałkowy
    jura środkowa i górna
    sukcesja czertezicka
    synsedymentacyjna tektonika i osady
    pieniński basen skałkowy
    Middle-Upper Jurassic
    Pieniny Klippen Belt
    Czertezik Succession
    synsedimentary faulting and deposits
    Pieniny Klippen Baisin
    Opis:
    Middle to Upper Jurassic of the Zamkowa Mt (Trzy Korony massif) in the Pieniny Klippen Belt show special development of the Czertezik Succession. The section reveals very thick units of crinoidal limestones: the Smolegowa Limestone Formation grainstones abruptly laterally replaced by crinoidal-spiculitic grainstones of the Flaki Limestone Formation; these are overlain by strongly condensed pelagic limestones - in their uppermost part rich in planktonic foraminifers and radiolarians - with abundant detrital grains of quartz and dolomite, fragments of crinoidal limestones, and the glauconitic nodules (glaucony). Both the development of attaining large thicknesses of strongly facies contrasted crinoidal units supplied from overhanging "crinoid gardens", as well as the appearance of abundant grains in younger pelagic limestones, prove the synsedimentary faulting which produced an active tectonic scarp during the Bajocian and at the turn of Callovian and Oxfordian.
    Źródło:
    Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2009, 35, 3/1; 107-113
    0138-0974
    Pojawia się w:
    Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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