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    Wyświetlanie 1-7 z 7
    Tytuł:
    Charakterystyka palinofacjalna najwyższego bajosu i batonu okolic Włocławka
    Autorzy:
    Barski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061390.pdf
    Data publikacji:
    2003
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    paleośrodowisko
    analiza palinofacjalna
    bajos
    baton
    paleoenvironment
    Bajocian
    Bathonian
    Źródło:
    Volumina Jurassica; 2003, 1, 1; 7-12
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rekonstrukcja paleośrodowiska sedymentacji środkowojurajskich iłów rudonośnych Gnaszyna (Częstochowa) - wyniki wstępne
    Autorzy:
    Gedl, P.
    Kaim, A.
    Boczarowski, A.
    Kędzierski, M.
    Smoleń, J.
    Szczepanik, P.
    Witkowska, M.
    Ziaja, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061399.pdf
    Data publikacji:
    2003
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    paleośrodowisko
    sedymentacja
    iły rudonośne
    szkarłupnie
    paleoenvironment
    sedimentation
    ore bearing
    echinoderms
    Źródło:
    Volumina Jurassica; 2003, 1, 1; 19-28
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Małe otwornice "eocenu numulitowego" Tatr-stratygrafia i paleośrodowisko
    Small foraminifera of "Nummulitic Eocene" of the Tatra Mts.—stratigraphical aspect and paleoenvironment
    Autorzy:
    Olszewska, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074701.pdf
    Data publikacji:
    2009
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    eocen numulitowy
    małe otwornice
    stratygrafia
    paleośrodowisko
    paleobigeografia
    "Nummulitic Eocene"
    small foraminifera
    stratigraphy
    paleoenvironment
    paleobiogeography
    Opis:
    Shallow-water carbonate sediments of the so called "Nummulitic Eocene" of the Tatra Mts. yield numerous large foraminifera as well as abundant and diversified assemblages of small foraminifera. Both benthic and planktic species indicate the late Bartonian-Priabonian age of the "Nummulitic Eocene". Paleoenvironmental analysis of the identified assemblages demonstrated their correlation with the Arni’s sedimentological model of the shallow-water carbonate sediments. The affiliations of foraminiferal faunas with the bioprovince of the Mediterranean Tethys have also been indicated.
    Źródło:
    Przegląd Geologiczny; 2009, 57, 8; 703-703
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Facje i geochemia dolnosarmackich raf z północnych obrzeży Paratetydy na Roztoczu (Polska) i Miodoborach (Ukraina): implikacje paleoorodowiskowe
    Facies and geochemistry of Lower Sarmatian reefs along the northern margins of the Paratethys in Roztocze (Poland) and Medobory (Ukraine) regions: paleoenvironmental implications
    Autorzy:
    Jasionowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074462.pdf
    Data publikacji:
    2006
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    rafy sarmackie
    facje
    geochemia
    paleośrodowisko
    zapadlisko przedkarpackie
    Paratethys
    Carpathian Foredeep
    Sarmatian
    reefs
    microbialite
    serpulid
    paleoenvironment
    Opis:
    The Middle Miocene (Lower Sarmatian = Middle Serravallian) carbonate buildups called “serpulid-microbialite reefs” that occur in the Medobory and Roztocze regions (Paratethys Basin, western Ukraine and southeastern Poland) are composed mainly of calcite precipitates. Skeletal organisms represented by serpulid tubes and bryozoans (in places) are of minor importance and comprise merely a few percent of the rock volume. They are overgrown with micritic peloidal microbialites that are the major reef component. The microbialites and serpulids/bryozoans make together a porous reef framework that is usually filled up with abundant synsedimentary fibrous cements and micritic internal sediments. Other biota is taxonomically impoverished but often rich in individuals and comprises few species of bivalves, gastropods, benthic foraminifers. In places, the serpulid-microbialite limestone masses are incrusted with coralline algae, bryozoans and nubeculariid foraminifers. Bivalve coquinas, bioclastic limestones, breccias and conglomerates are associated with the reefs. The synsedimentary precipitates represented by microbialites and fibrous cements have quite unusual geochemical characteristics. They are composed of Mg-calcite with 5–6 mole % MgCO3 in average with a very high content of strontium (1000–1650 ppm Sr). The precipitates are enriched in heavy oxygen and carbon isotopes. Fibrous cements exhibit the highest values (18O ca. +1.5 [PDB] and 13C 2.8 [PDB]. It is generally believed that in the Early Sarmatian the Paratethys was a brackish basin due to restricted connections to theWorld Ocean. This is indicated by taxonomically poor biotic assemblages that inhabited the basin. On the other hand, however, the predominance of calcitic precipitates (such as microbialites and synsedimentary cements) is indicative of water highly supersaturated in respect to calcite due to high carbonate alkalinity content. Oxygen isotopic composition of the precipitates indicates that the brackish water, in which the reefs originated, had to be enriched in the heavy oxygen isotope due to strong evaporation. The low Mg content in calcite (if compared to modern tropical settings) could be the result of a relatively low precipitation temperature coupled with lower Mg/Ca ratio in Miocene than today, and the elevated Sr content may be indicative of a high precipitation rate resulting from high supersaturation. It seems therefore that the origin of the serpulid-microbialite buildups is related to a peculiar interplay of regional and local controls in the Sarmatian Paratethys. First, the relative isolation of the entire Paratethys basin resulted in the brackish water environment that could be inhabited by taxonomically poor opportunistic biota only and simultaneously enabled blooming of microbial communities. Second, a strong evaporation of the brackish water with high alkalinity content caused a supersaturation in respect to calcium carbonate and consequently a widespread precipitation of calcite (including calcification of microbial mats).
    Źródło:
    Przegląd Geologiczny; 2006, 54, 5; 445-454
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Boquillas Formation of the Big Bend National Park, Texas, USA, a reference Cenomanian through Santonian (Upper Cretaceous) carbonate succession at the southern end of the Western Interior Seaway
    Autorzy:
    Cooper, D. A.
    Cooper, R.W.
    Stevens, J. B.
    Stevens, M. S.
    Cobban, W. A.
    Walaszczyk, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/139039.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Boquillas Formation
    Upper Cretaceous
    US Western Interior Seaway
    lithostratigraphy
    biostratigraphy
    paleoenvironment
    formacja Boquillas
    górna kreda
    litostratygrafia
    biostratygrafia
    paleośrodowisko
    Opis:
    The upper lower Cenomanian through middle Santonian (Upper Cretaceous) of the Boquillas Formation in the Big Bend Region of Trans-Pecos Texas consists of a marine carbonate succession deposited at the southern end of the Western Interior Seaway. The Boquillas Formation, subdivided into the lower, c. 78 m thick limestone-shale Ernst Member, and the upper, c. 132 m thick limestone/chalk/marl San Vicente Member, was deposited in a shallow shelf open marine environment at the junction between the Western Interior Seaway and the western margins of the Tethys Basin. Biogeographically, the area was closely tied with the southern Western Interior Seaway. The richly fossiliferous upper Turonian, Coniacian and lower Santonian parts of the Boquillas Formation are particularly promising for multistratigraphic studies.
    Źródło:
    Acta Geologica Polonica; 2017, 67, 4; 547-565
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Badenian (middle Miocene) decapod crustaceans from western Ukraine, with remarks on eco-taphonomy, palaeoecology and biogeography
    Autorzy:
    Górka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/138814.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    crustaceans
    decapods
    taxonomy
    paleoenvironment
    eco-taphonomy
    Badenian
    middle Miocene
    Ukraine
    skorupiaki
    dziesięcionogi
    taksonomia
    paleośrodowisko
    ekotafonomia
    baden
    środkowy miocen
    Ukraina
    Opis:
    The decapod fauna from the Badenian (middle Miocene) deposits of western Ukraine comprises in total 31 taxa: 20 species, 9 taxa left in open nomenclature, and 2 determined at family level. Thirteen of these taxa are reported for the first time from the territory of Ukraine. Among them are the first records of Trapezia glaessneri Müller, 1976 in the Fore-Carpathian Basin and Pachycheles sp. in Paratethys. One taxon (Petrolisthes sp. A) probably represents a new species. The occurrence of this significant decapod fauna is restricted almost exclusively to the Upper Badenian (i.e., early Serravallian) coralgal reefs of the Ternopil Beds. The taxonomic composition of the decapods indicates that the Late Badenian depositional environment was a shallow marine basin dominated by reefs that developed in warm-to-tropical waters of oceanic salinity. The decapod assemblage from the Ternopil Beds is similar in its taxonomic composition to numerous decapod faunules from fossil reefs of Eocene to Miocene age from the Mediterranean realm and of Miocene age from Paratethys. In contrast, decapod remains are very scarce in Badenian siliciclastic deposits (Mikolaiv Beds) and are represented by the most resistant skeletal elements, i.e., dactyli and fixed fingers. This scarcity was caused by the high-energy environment, with frequent episodes of redeposition, which disintegrated and abraded the decapod remains. The decapod fauna from the Badenian (middle Miocene) deposits of western Ukraine comprises in total 31 taxa: 20 species, 9 taxa left in open nomenclature, and 2 determined at family level. Thirteen of these taxa are reported for the first time from the territory of Ukraine. Among them are the first records of Trapezia glaessneri Müller, 1976 in the Fore-Carpathian Basin and Pachycheles sp. in Paratethys. One taxon (Petrolisthes sp. A) probably represents a new species. The occurrence of this significant decapod fauna is restricted almost exclusively to the Upper Badenian (i.e., early Serravallian) coralgal reefs of the Ternopil Beds. The taxonomic composition of the decapods indicates that the Late Badenian depositional environment was a shallow marine basin dominated by reefs that developed in warm-to-tropical waters of oceanic salinity. The decapod assemblage from the Ternopil Beds is similar in its taxonomic composition to numerous decapod faunules from fossil reefs of Eocene to Miocene age from the Mediterranean realm and of Miocene age from Paratethys. In contrast, decapod remains are very scarce in Badenian siliciclastic deposits (Mikolaiv Beds) and are represented by the most resistant skeletal elements, i.e., dactyli and fixed fingers. This scarcity was caused by the high-energy environment, with frequent episodes of redeposition, which disintegrated and abraded the decapod remains.
    Źródło:
    Acta Geologica Polonica; 2018, 68, 4; 511--535
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pedicellarie ze środkowojurajskich iłów rudonośnych i ich znaczenie w strategii życiowej jeżowców
    Pedicellariae from Middle Jurassic Ore Bearing Częstochowa Clay Formation and their significance in echinoids life strategy
    Autorzy:
    Boczarowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2077294.pdf
    Data publikacji:
    2004
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    taksonomia
    anatomia
    paleośrodowisko
    jura
    bajos
    baton
    centralna Polska
    iły rudonośne
    taxonomy
    anatomy
    paleoenvironment
    Jurassic
    Bajocian
    Bathonian
    Central Poland
    pedicellariae
    ore bearing
    Opis:
    Numerous, well-preserved globiferous and ophiocephalous pedicellariae of echinoids have been found in samples from several brickyards of Central Poland: Gnaszyn and Kawodrza (Częstochowa), Blanowice (Zawiercie), Wrzosowa. This is the first study of the uppermost Bajocian and Bathonian pedicellariae from the Ore Bearing Częstochowa Clay Formation. Four new morphotypes are described. Effectiveness of the defensive echinoid strategy is discussed; the structures observed indicate the presence of poison in some but not all spines and pedicellariae of both living and fossil species. All main morphological types of pedicellariae are compared. Morphotype I of globiferous pedicellariae and morphotype III of ophiocephalous pedicellariae are similar to those from the recent family Parechinidae. Jurassic echinoid Pelanechinus has ophiocephalous pedicellariae reminding morphotype II, as described from the Polish Bathonian.
    Źródło:
    Volumina Jurassica; 2004, 2, 1; 141-150
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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