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    Wyświetlanie 1-7 z 7
    Tytuł:
    Lower Cambrian trace fossils from the Holy Cross Mountains, Poland
    Autorzy:
    Orłowski, S.
    Żylińska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059927.pdf
    Data publikacji:
    2002
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Holy Cross Mountains
    Lower Cambrian
    trace fossils
    Opis:
    Additional data on the Lower Cambrian ichnotaxa from the Holy Cross Mountains are presented. Nine ichnotaxa are described for the first time from the area, additional descriptions of three known ichnotaxa are supplied, and two ichnotaxa are shown to have extended stratigraphic ranges. Most Lower Cambrian trace fossils belong to the Cruziana ichnofacies. The high taxonomic diversity of the Early Cambrian trace fossil assemblages from the Holy Cross Mountains in comparison to the trace fossil assemblages of the Mid- and Late Cambrian of the area is confirmed.
    Źródło:
    Geological Quarterly; 2002, 46, 2; 135-146
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New finds of Rusophycus from the lower Cambrian Ociesęki Sandstone Formation (Holy Cross Mountains, Poland)
    Autorzy:
    Stachacz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2058996.pdf
    Data publikacji:
    2012
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Holy Cross Mountains
    Lower Cambrian
    trace fossils
    Rusophycus
    Opis:
    The Ociesęki Sandstone Formation represents the Holmia-Schmidtiellus and the Protolenus-Issafeniella zones. Seven ichnospecies of Rusophycus, including Rusophycus exsilius isp. nov, are recognized in this formation. Moreover, Rusophycus ispp. A, B, C are recognized. The diagnoses for R. dispar, R. crebrus and R. magnus have been emended and the stratigraphic range of R. versans has been extended. The presence of Rusophycus dispar may suggest a palaeozoogeographical connection between the Małopolska Block, the Baltica palaeocontinent and the Laurentia palaeocontinent.
    Źródło:
    Geological Quarterly; 2012, 56, 2; 237-248
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wstępne dane o tropach stawonogów z furongu (górnego kambru) Wiśniówki Wielkiej (Góry Świętokrzyskie) i ich tafonomii
    Arthropod tracks from the Furongian (Upper Cambrian) of the Wiśniówka Wielka (Holy Cross Mountains) and their taphonomy: a preliminary report
    Autorzy:
    Sadlok, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074827.pdf
    Data publikacji:
    2011
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Upper Cambrian
    Furongian
    Holy Cross Mountains
    trace fossils
    trilobites
    taphonomy
    Opis:
    Previous works on arthropod trace fossils from the Furongian (Upper Cambrian) section exposed at theWioeniówkaWielka quarry (Holy Cross Mountains, Poland) focused on trilobite-made structures referred to as Rusophycus polonicus and Cruziana semiplicata. Arthropod trackways did not receive much attention. The present paper contains preliminary data on new records of arthropod trackways from the Furongian of the Wioeniówka Wielka section and on their taphonomy. The material studied comprises undetermined arthropod tracks and specimens belonging to three ichnogenera: ?Asaphoidichnus, Diplichnites and Petalichnus.
    Źródło:
    Przegląd Geologiczny; 2011, 59, 1; 82-90
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ichnology of the Cambrian Ociesęki Sandstone Formation (Holy Cross Mountains, Poland)
    Autorzy:
    Stachacz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/191282.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Cambrian
    trace fossils
    shallow-water marine deposition
    Holy Cross Mountains
    Opis:
    Quartz arenites and wackes with intercalations of silty shales of the Ociesęki Formation were analysed in small outcrops and one core. The succession contains about forty-three ichnogenera and seventy-four ichnospe- cies, among which thirty-three ichnogenera and fifty-three ichnospecies are described by present author. The formation belongs to the Schmidtiellus-Holmia Superzone and to the Protolenus-Issafeniella Zone. Most strata are totally bioturbated. The diverse and numerous trace fossils represent the Cruziana ichnofacies in the lower part of the formation and the Skolithos ichnofacies in the upper part. A few possibly new ichnospecies of different ichnogenera have been described in open nomenclature. Sedimentary structures and trace fossil assemblages indicate that the older part of this formation was deposited on the upper offshore to lower shoreface, while its younger part was deposited on the lower to middle shoreface, where storm episodes were the main factor controlling sedimentation and the activity of benthos. The trace fossil associations studied are similar to those from the lower Cambrian in many places around the world. The ichnoassociations from the Polish part of the East European Platform and from Sweden, which represent the Baltica palaeocontinent, display the closest similarity.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2016, 86, 3; 291-328
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geochemical and ecological aspects of lower Frasnian pyrite-ammonoid level at Kostomłoty (Holy Cross Mountains, Poland)
    Autorzy:
    Racki, G.
    Piechota, A.
    Bond, D.
    Wignall, P. B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060630.pdf
    Data publikacji:
    2004
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Holy Cross Mountains
    Frasnian
    pyritic fossils
    geochemical proxies
    anoxia
    Timan Event
    Opis:
    The lower Frasnian (transitans Zone with Ancyrodella priamosica = MN 4 Zone) rhythmic basin succession of marly limestones and shales (upper Szydłówek Beds) at Kostomłoty, western Holy CrossMts., Central Poland, contains a record of the transgressive-hypoxic Timan Event in this drowned part of southern Laurussian shelf. The unique facies consists of organic-rich marly shales and a distinctive pyritic, goniatite level, 1.6mthick. The faunal assemblage is dominated by pyritized shells of diminutivemollusks with cephalopods (including goniatites Epitornoceras and Acanthoclymenia), buchioline bivalves (Glyptohallicardia) and styliolinids. This interval is marked by moderately low Th/U ratios and pyrite framboid size distributions suggestive of dysoxic rather than permanent euxinic conditions. The scarcity of infauna and bioturbation resulted in finely laminated sedimentary fabrics, as well as the low diversity of the presumed pioneer benthos (mostly brachiopods). In the topmost part of the Szydłówek Beds, distinguished by the Styliolina coquina interbedded between limestone-biodetrital layers, the above geochemical proxies and C-isotope positive shift indicate a tendency to somewhat increased bottom oxygen deficiency and higher carbon burial rate linked with a bloom of pelagic biota during high-productivity pulse. The geochemical and community changes are a complex regional record of the initial phase of a major perturbation in the earth-ocean system during a phase of intermittently rising sea level in the early to middle Frasnian, and associated with the highest positive C-isotope ratios of the Devonian.
    Źródło:
    Geological Quarterly; 2004, 48, 3; 267--282
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ichnology of Czarna Shale Formation (Cambrian, Holy Cross Mountains, Poland)
    Autorzy:
    Stachacz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/191787.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Cambrian
    Terreneuvian
    Cambrian Series 2
    trace fossils
    Holy Cross Mountains
    Czarna Shale Formation
    Opis:
    Ten ichnogenera and seven ichnospecies are described from the Czarna Shale Formation, possibly representing the Terreneuvian and Cambrian Series 2 of the Holy Cross Mountains. Moreover, five other ichnotaxa are described in open nomenclature. Phycodes circinatus,Taenidium isp., Trichichnus linearis and ?Dictyodora isp. are described from the Cambrian of the Holy Cross Mountains for the first time. The stratigraphic ranges of Trichichnus linearis and Phycodes circinatus are extended. The trace fossil assemblage and associated, sedimentological features point to deposition in the upper and lower offshore. Periodic, anoxic events may have occurred on the sea bed.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2012, 82, 2; 105--120
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Invertebrate trace fossil assemblages from the Lower Hettangian of Sołtyków, Holy Cross Mountains, Poland
    Autorzy:
    Pieńkowski, G.
    Niedźwiedzki, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061345.pdf
    Data publikacji:
    2008
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Hettangian, Lower Jurassic
    invertebrate trace fossils
    bivalves
    crayfishes
    insects
    continental ichnofacies
    Holy Cross Mountains
    Polska
    Opis:
    Invertebrate trace fossil assemblages from the Hettangian (Early Jurassic) alluvial plain deposits of Sołtyków (Holy Cross Mts, Poland) represent three terrestrial ichnofacies: the Mermia ichnofacies (entirely aquatic), Scoyenia ichnofacies, and Coprinisphaera ichnofacies. They span environments from shallow lacustrine to different subaerial fluvial environments. Bivalve burrows and traces, oligochaetae, insect and crayfishes burrows, plant roots, vertebrate tracks and other types of trace fossils record information on biodiversity and palaeoecological conditions. The Sołtykow ichnoassemblages confirm that terrestrial ichnocoenoses were quite diversified, chiefly a result of a changing water table and food availability. Diversity of trace fossils was supported by the strongly mosaic character of local environments. Bivalve burrows are very diversified, and several ichnogenera have been distinguished. Trace fossil producers as well as functional, taphonomic and preservational aspects of ichnofossils are discussed. The following ichnotaxa have been recognized: Lockeia siliquaria James, 1879; L. amygdaloides (Seilacher, 1953); L. czarnockii (Karaszewski, 1974); Scalichnus isp.; Scoyenia isp.; Spongeliomorpha isp.; Spongeliomorpha carlsbergi (Bromley and Asgaard, 1979); Cruziana problematica (Schindewolf, 1921); cf. Cruziana isp.; Rusophycus isp.; Diplichnites isp.; cf. Kouphichnium sp.; Planolites isp.; Palaeophycus isp.; Cochlichnus isp.; cf. Helminthoidichnites isp.; cf. Xylonichnus isp., and Linckichnus terebrans Schlirf, 2006. Various structures attributed to arthropod burrows (vertical to subvertical tunnels), chambered insect nests of Pallichnidae affinity or other nests with septa, earthworm burrows as well as enigmatic radial chambers, likely made by crayfishes, are illustrated. The new bivalve dwelling ichnotaxon Calceoformites uchmani igen. et isp. n. is described.
    Źródło:
    Volumina Jurassica; 2008, 6, 1; 109--132
    1896-7876
    1731-3708
    Pojawia się w:
    Volumina Jurassica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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