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    Wyświetlanie 1-4 z 4
    Tytuł:
    Palaeolithic loess-site Yezupil on Dni ster (Ukraine)- stratigraphy, environment and cultures
    Autorzy:
    Bogutskiy, Andriy
    Cyrek, Krzysztof J.
    Konecka-Batley, Krystyna
    Łanczont, Maria
    Madeyska, Teresa
    Powiązania:
    https://bibliotekanauki.pl/articles/2026776.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    loess
    paleosols
    Palaeolithic
    Ukraine
    Opis:
    Yezupil is the first Middle Palaeolithic site discovered in upper part of the Dnister River valley. It is situated in a set of sediments composed of loess and fossil soils lying on alluvia. The results of geological and palaeopedological investigations are presented. They contain lithological and geochemical analyses (main components and trace elements), as well as micromorphological study. Palaeo- and petromagnetic record is presented too. Horohiv pedocomplex developed from the older, Wartanian loess. It is composed of luvisol originated during the Eemian Interglacial and chernozem soil - during the Early Vistulian interstadials. An subarctic brown Dubno soil dated to the Interplenivistulian (Middle Vistulian interstadials) separates two parts of the younger loess. Older assemblage of Middle Palaeolithic-Mousterian culture with Levalloisian technique was found in the E horizon of the luvisol and therefore it could be dated to the Eemian Interglacial. Younger Middle Palaeolithic-Micequian-type materials were situated in partially redeposited by solifluction, Early Vistulian chernozem. Scanty and uncharacteristic Upper Palaeolithic assemblage was found in interstadiał Dubno palaeosol.
    Źródło:
    Studia Quaternaria; 2001, 18; 25-46
    1641-5558
    2300-0384
    Pojawia się w:
    Studia Quaternaria
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Palaeoenvironmental interpretation of dinosaur- and mammal-bearing continental Maastrichtian deposits, Hateg basin, Romania
    Autorzy:
    Bojar, A. V.
    Grigorescu, D.
    Ottner, F.
    Csiki, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/2058894.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Hateg Basin
    Maastrichtian
    dinosaurs
    paleosols
    stable isotopes
    clay mineralogy
    Opis:
    The Hateg basin, South Carpathians, Romania, contains a thick sequence of Maastrichtian continental deposits from which a rich dinosaur and mammal fauna is known. Field data as well as mineralogical and stable isotope analyses from three representative profiles were integrated in order to reconstruct environmental conditions during Maastrichtian time. Tustea quarry is characterized by the presence of well drained calcisols, with smectite (montmorillonite) as the main clay component. Along the profile, the δ18 O and δ13 C isotopic compositions of calcretes show a small variation, of up to 0.9‰. The profile along the Barbat Valley shows preponderantly calcisols, the main clay mineral being smectite, with subordinate illite and chlorite. The oxygen isotopic compositions of calcretes are ~0.5‰ lighter than those from Tustea. The soils are interpreted as having formed under more humid conditions and they are similar to those situated at the bottom of the sequence developed along Sibisel Valley. The abundant smectite from the Tustea and Barbat Valley depos its, as well the presence of good developed soils, reflects palaeoenvironmental conditions predominantly controlled by climate. Preliminary magnetostratigraphic data along the Sibisel Valley section indicate that sedimentation started at the end of chron C32n. All other palaeomagnetic sites distributed up stream, as far as the upper limit of this formation, have only reversed polarity and the corresponding time interval is probably chron C31r. Along this valley, the sequence shows a general coarsening upward trend. The palaeosol type changes from calcisol- to vertisol-dominated sequences. The soils are moderate to weakly developed. The mineralogical composition of the clay fraction also changes, from smectite- to illite and chlorite-dominated. These features points to wards unstable tectonic conditions and higher uplift rates of the surrounding area within chron C31r. To wards the top of the sequence, the oxygen and carbon isotopic composition of calcretes be come 1 and ~2‰ lighter, respectively. These changes indicate a transition from generally semi-arid to wards more humid and possible cooler conditions and correlate with the world wide trend for chron 31r.
    Źródło:
    Geological Quarterly; 2005, 49, 2; 205--222
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Paleogleby w zapisie sedymentacyjnym formacji z Siodeł w Górach Świętokrzyskich (perm górny–trias dolny)
    Paleosols in the sedimentary record of the Siod³a Formation in the Holy Cross Mountains (Upper Permian–Lower Triassic)
    Autorzy:
    Trela, W.
    Fijałkowska-Mader, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075746.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    paleogleba
    rizolity
    kalkrety
    czerwone mułowce
    perm
    trias
    paleosols
    rhizoliths
    calcretes
    red mudstones
    Permian
    Triassic
    Opis:
    The uppermost Permian in the NWHoly Cross Mountains is represented by red mudstones with sandstone and conglomerate interbeds, forming the PZt cyclothem (dated by miospores of the Lueckisporites virkkiae Bc Zone), which grade upwards into the Siodta Formation. This succession is overlain by sandstones and mudstones of the Jaworzna Formation yielding the lowermost Triassic spore-pollen assemblage of the Lundbladispora obsoleta- Protohaploxypinus pantii Zone. Mudstones of the Siodta Formation reveal mottling structure with numerous root traces, rhizobreciation, as well as nodular and bedded calcretes. The root -Mader structures are represented by calcite tubules and root moulds, the latter filled with dark red calcareous mudstones. The presence of root traces in the Siodta Formation clearly indicates an increase of substrate moisture in contrast to the underlying PZt cyclothem. The mottled red mudstones were deposited in the playa-lacustrine depositional system and lost their primary structure due to rooting and other pedogenic processes. Carbonate nodules and thin indurated calcretes are related to periods of lower sediment accumulation rate or even non-deposition periods favouring development of continental carbonates. A relatively rapid switch to the alluvial depositional system represented by the Jaworzna Formation appears to be coeval to the increased sediment flux in terrestrial setting, postulated by Newell et al. (2010) at the Permo-Triassic boundary, driven by a devegetation event of upland catchments.
    Źródło:
    Przegląd Geologiczny; 2017, 65, 4; 227--233
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Współczesny opad pyłku lipy i klonu jako przyczynek do palinologicznej interpretacji gleb kopalnych
    Autorzy:
    Mędrek, Karolina
    Hołub, Beata
    Bałaga, Krystyna
    Powiązania:
    https://bibliotekanauki.pl/articles/763194.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    modern deposition of pollen
    lime
    maple
    paleosols
    współczesny opad pyłku
    lipa (Tilia)
    klon (Acer)
    gleba kopalna
    Opis:
    This paper aims to explore the modern deposition of lime and maple pollen in various plant communities as compared to the results obtained in palynological analyses of the Holocene paleosols in Kaczórki (the Middle Roztocze) and the Błędów Desert which are characterized by very high amounts of the pollen of these trees. The research shows that a high annual deposition of both lime and maple pollen on the soil surface is possible. This deposition far surpasses the average pollen values recorded in the Holocene but is not as high as those recorded in fossil soils. In relation to paleosols in Kaczórki such results show that lime and maple were important components of forests surrounding dune and simultaneously point to the fact that the deposition of pollen in these soils was a complex process.
    Artykuł nie zawiera abstraktu w języku polskim
    Źródło:
    Annales Universitatis Mariae Curie-Sklodowska, sectio B – Geographia, Geologia, Mineralogia et Petrographia; 2013, 68, 1
    0137-1983
    Pojawia się w:
    Annales Universitatis Mariae Curie-Sklodowska, sectio B – Geographia, Geologia, Mineralogia et Petrographia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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