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    Wyświetlanie 1-7 z 7
    Tytuł:
    Burial and thermal history of the Lower Palaeozoic petroleum source rocks at the SW margin of the East European Craton (Poland)
    Autorzy:
    Botor, Dariusz
    Golonka, Jan
    Anczkiewicz, Anneta A.
    Dunkl, István
    Papiernik, Bartosz
    Zając, Justyna
    Guzy, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/191816.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    maturity modelling
    shale gas
    shale oil
    burial history
    thermal history
    Palaeozoic
    East European Craton
    Opis:
    Thermal maturity modelling was carried out in over sixty wells along the SW margin of the East European Craton (EEC). The burial and thermal history modelling of the EEC, using thermochronological data, allowed the construction of burial history maps showing its geological development in the Phanerozoic. These results have proved that the Ordovician and Silurian source rocks occurring at the SW margin of the EEC reached a maximum palaeotemperature in the Palaeozoic, mainly during Devonian-Carboniferous time and at the latest during the Silurian in the most westerly part of this margin, along the Teisseyre-Tornquist Zone. In Mesozoic and Cainozoic time, the Ordovician and Silurian strata generally were subjected to cooling or to very minor heating, certainly below the Variscan level. The maximum burial and maximum temperature of the Ediacaran-Lower Palaeozoic strata were reached during the Early Carboniferous in the Baltic Basin and during the Late Carboniferous in the Lublin area, and even in the Early Permian in the SE corner of the Lublin Basin. Thus, the main period of maturation of organic matter and hydrocarbon generation in the Ordovician and Silurian source rocks was in the Late Palaeozoic (mainly Devonian-Carboniferous) and in the westernmost zone along the Teisseyre-Tornquist line at the end of the Silurian.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2019, 89, 2; 121-152
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ordovician through earliest Devonian development of the Holy Cross Mts. (Poland): constraints from subsidence analysis and thermal maturity data
    Autorzy:
    Narkiewicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059907.pdf
    Data publikacji:
    2002
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Trans-European Suture Zone
    Holy Cross Mountains
    tectonic subsidence
    thermal history
    terranes
    Opis:
    The Łysogóry Block (ŁB) exposed in the northern Holy Cross Mts. (HCMts.) reveals subsidence and thermal development consistent with the pattern observed in adjoining East European Craton (EEC) areas. This evidence, in addition to previously reported similarities in sedimentation and deep crustal structure, contradicts the Pożaryski's hypothesis that the Łysogóry Block represents a terrane within the Caledonian orogen. This area is here interpreted as the part of a Late Silurian foredeep basin which developed on the Baltica margin in response to terminal phases of collision with Eastern Avalonia. The development of the continuous Late Silurian foredeep basin along the EEC margin from the Peri-Tornquist Basin in the north-west to the present northern HCMts. implies that the North German-Polish Caledonides orogen had its NE continuation near the present Holy Cross area. The southern HCMts. comprise the northern margin of the Małopolska Massif (MM). The Ordovician-Silurian subsidence development of this area, its thermal history and crustal structure point to a stable cratonic setting. Existing similarities in sedimentary succession (mostly Ordovician and Lower Silurian) as well as clearly Baltic palaeobiogeographic affinities indicate a close spatial connection between the MM and Baltica during the analysed time interval. The juxtaposition of the MM against the ŁB area can be explained assuming that the MM is a part of Baltica detached from its margin due to right-lateral strike-slip after late Ludlow and before Emsian time.
    Źródło:
    Geological Quarterly; 2002, 46, 3; 255-266
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal history of Lower Palaeozoic rocks from the East European Platform margin of Poland based on K-Ar age dating and illite-smectite palaeothermometry - 481 – 509
    Autorzy:
    Kowalska, Sylwia
    Wójtowicz, Artur
    Hałas, Stanisław
    Wemmer, Klaus
    Mikołajewski, Zbigniew
    Buniak, Arkadiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/191840.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    shale gas
    K-Ar dating
    thermal history
    Variscan orogeny
    Palaeozoic
    East European Platform
    interlaboratory comparison
    Opis:
    Large-scale shale gas prospecting in the Polish part of the East European Platform did not discover large reserves of this resources. The article presents new research indicating that one of the reasons for the lack of shale gas relates to the thermal history of the Lower Palaeozoic rocks. Illite-smectite palaeothermometry was used to reconstruct the history of the platform and determine the maximum temperatures to which these rocks were subjected. The age of illitisation was also constrained using the K-Ar method. This method allowed precise dating of the maximum age of thermal transformations due to the deposition of numerous pyroclastic horizons (K-bentonite) throughout the entire geological profile from the Cambrian to the Silurian. Isotopic dating was made on over 53 samples of Lower Palaeozoic bentonites and low-grade metamorphic clays. These results were supplemented by analysis of the degree of thermal (smectite to illite) transformation in the profiles of 37 deep boreholes. 11 zones could be distinguished with different tectonic histories within the Polish part of the East European Platform edge. Maximum heating occurred in this region at about 320–340 Ma, corresponding to the Early Carboniferous or the turn of the Early and Late Carboniferous, phase A of the Variscan orogeny, known as the Sudetian phase. In the southern part of study area, the maximum of thermodiagenesis is slightly younger – 270–290 Ma, which responds to the Early Permian, the Asturian phase, the last phase of the Variscan orogeny. This means that the generation of hydrocarbons occurred before significant Mesozoic exhumation of the Polish part of the East European Platform, which led to the escape of a considerable amount of the gas generated. The study also presents the results of an interlaboratory comparison of illite age dating using the K-Ar and Ar-Ar methods. The comparison was conducted to find out what realistic error should be considered when interpreting geological K-Ar dating results.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2019, 89, 4; 481-509
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hydrothermal fluids influence on the thermal evolution of the Stephanian sequence, the Sabero Coalfield (NW Spain)
    Autorzy:
    Botor, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/184440.pdf
    Data publikacji:
    2012
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Spain
    Cantabrian Mountains
    Sabero coalfield
    Carboniferous
    pull-apart basin
    coalification
    thermal history
    maturity modelling
    vitrinite reflectance
    eroded overburden
    Opis:
    In the present study, the thermal history of the Late Carboniferous (Stephanian) coal-bearing sediments of the Sabero Coalfield has been reconstructed in order to elucidate coal rank. The Sabero Coalfield is located in a small intramontane coal-bearing basin along the Sabero-Gordón fault zone, one of the major E-W trending strike-slip fault systems of the southern part of the Cantabrian Zone (NW Spain). The total thickness of the Stephanian succession is in excess of 2,000 m, and is composed of siliclastic rocks and intercalated coal seams with tonsteins. Mean vitrinite reflectance values in the Stephanian rocks in the Sabero Coalfield are in the range from 0.61 to 3.14% Rr, but most values are in the range from 0.8 to 1.5% Rr (based on 84 samples). Average vitrinite reflectance gradient is high (0.73% Rr/km), which suggests high value of average paleogeothermal gradient (52°C/km). The maximum paleotemperatures calculated from vitrinite reflectance values for the Stephanian rocks range between 89°C (top of the Stephanian) and 195°C (bottom of the Stephanian). Coalification of the organic matter in the Stephanian rocks was achieved in the Early Permian, and was most likely related to several almost simultaneous related to magmatic and hydrothermal activity during high subsidence period in the pull-apart basin. The primary, burial-related maturity pattern, was probably slightly overprinted by fluid migration event, which is supposed to have occurred in Early Permian time.
    Źródło:
    Geology, Geophysics and Environment; 2012, 38, 4; 369-393
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Burial and thermal history of the Polish part of the Baltic region
    Autorzy:
    Wróbel, M.
    Kosakowski, P.
    Poprawa, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059073.pdf
    Data publikacji:
    2010
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Baltic Region
    northern Poland
    subsidence
    burial history
    thermal evolution
    maturity modelling
    Opis:
    The burial history and thermal evolution of the western part of the Baltic region was reconstructed by means of 1-D modelling for eight boreholes penetrating the lower Paleozoic succession. The Neoproterozoic rifting presumably caused elevation of heat flow, while Cambrian to Mid Ordovician post-rift thermal sag of the Baltica passive margin led to systematic decrease of heat flow with time. Development of the Late Ordovician to Silurian flexural foredeep of the Caledonide collision zone was associated with intensive subsidence, a high rate of sediment deposition and rapid burial of the Upper Cambrian and/or Tremadocian, Upper Ordovician and lower Silurian source rocks, presumably sufficient for the early stage of oil generation. After post-Caledonian Early Devonian uplift, the western Baltic region was subject to Early Devonian to early Carboniferous subsidence and deposition, leading to further burial of the source rocks. Together with elevated heat flow, characteristic of the Variscan broad foreland, this caused further source rocks maturation and hydrocarbon generation. Late- to post-Variscan uplift and erosion (late Carboniferous to late Permian) resulted in complete removal of the Middle Devonian to lower Carboniferous strata and development of the major regional unconformity. During late Permian to Cretaceous time the western part of the Baltic region constituted an eastern flank of the Polish Trough, with the main phases of subsidence and burial during late Permian-Early Triassic time, related to rifting in the Polish Trough, and during Late Cretaceous time, related to the compressional regime. Maturity profiles in boreholes from the vicinity of the studied boreholes indicate the presence of a late Mesozoic (Late Cretaceous?) positive thermal event, causing further maturation of the source rock.
    Źródło:
    Geological Quarterly; 2010, 54, 2; 131-142
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hydrocarbon generation/expulsion modelling of the lower Paleozoic potential source rocks in the Gryfice and Kolobrzeg blocks (NW Poland)
    Autorzy:
    Wróbel, M.
    Kosakowski, P.
    Poprawa, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059060.pdf
    Data publikacji:
    2010
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Gryfice and Kolobrzeg blocks
    Lower Paleozoic
    source rock
    burial history
    thermal evolution
    petroleum processes
    Opis:
    The lower Paleozoic source rocks in the offshore part of the Gryfice and Kolobrzeg blocks (NW Poland) were studied through geochemical data and numerical modelling. The geochemical study revealed a presence of effective source rocks in Caradocian strata, but with low hydrocarbon potential. The remaining lower Paleozoic source rock horizons were not documented by core samples. The timing of hydrocarbon generation and expulsion was modelled for the K1-1/86 and L2-1/87 boreholes located in the Gryfice and Kolobrzeg blocks, respectively. 1-D and 2-D modelling indicated that in the Kolobrzeg Block the onset of petroleum generation occurred at the end of the Silurian and the beginning of the Devonian. Source rocks in the Gryfice Block reached the early stage of oil generation at the beginning of the Permian and generation processes were completed by the end of the Triassic. Migration of hydrocarbons from source rocks began in the Carboniferous in both the Gryfice and Kolobrzeg blocks and lasted to the end of the Mesozoic. During hydrocarbon migration, an intensive dispersion process was observed, caused by leaking along the fault planes. The modelling revealed that hydrocarbons may have accumulated in Devonian reservoirs. The lack of any discovered accumulations could be the result of hydrocarbon dispersion caused by tectonic deformation and intense vertical fault block movements.
    Źródło:
    Geological Quarterly; 2010, 54, 2; 183-196
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stratigraphic distribution of hydrocarbon accumulations and charging history of reservoirs based on thermal evolution of petroleum source rocks within the southern border area of the Dnieper-Donets Basin
    Stratygraficzna charakterystyka akumulacji weglowodorowych oraz historia napełniania pułapek złożowych na podstawie ewolucji termicznej skał macierzystych w obrębie południowej granicy basenu dnieprowsko-donieckiego
    Autorzy:
    Karpenko, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075665.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Dnieper-Donets Basin
    rift
    graben
    source rocks
    petroleum system
    thermal maturity
    burial history
    hydrocarbons generation and accumulation
    macerals
    basen dnieprowsko-doniecki
    ryft
    rów tektoniczny
    skały macierzyste
    system naftowy
    geneza i dojrzałość termiczna
    generacja i akumulacja węglowodorów
    macerały
    Opis:
    Kompleksowe badania systemu naftowego dostarczają prognoz i danych wejściowych do oceny ryzyka w celu ewaluacji nierozpoznanych wierceniami złóż w basenie dnieprowsko-donieckim (BDD), związanych ze strukturami solnymi lub występujących na znacznych głębokościach (5-7 km). Badania systemu naftowego dla zrozumienia mechanizmu i historii napełniania pułapek oraz geochronologii zdarzeń (czynnik czasu) wymagało zintegrowanych badań elementów systemu naftowego: występowania złóż ropy i gazu oraz ich wstępnych zasobów, rozprzestrzenienia skał macierzystych, ich właściwości oraz dojrzałości termicznej. Jednowymiarowe modelowanie historii pogrzebania dla otworów wiertniczych z BDD, skorelowane z danymi na temat refleksyjności witrynitu, dało informacje na temat rozkładu strumienia cieplnego w czasie jego ewolucji. Dwuwymiarowe modele systemu naftowego pozwoliły poznać wiek procesów generowania węglowodorów, typy migracji i historię napełniania znanych pułapek, jak również dostarczyły prognoz na temat złóż nierozpoznanych wierceniami. Generacja węglowodorów z każdego źródła następowała w krótkich okresach czasu z powodu szybkiego tempa pogrążania. Możliwość zachowania się złóż była zależna od wzrostu wysadów oraz migracji struktur solnych. Głębokie i bardzo głębokie pułapki w przyosiowej części basenu, które nie zostały naruszone wskutek wzrastających wysadów solnych w permie, są wypełnione złożami gazu po dzień dzisiejszy. Natomiast pułapki związane z wysadami solnymi w obrębie przyosiowych stref basenu były wypełniane węglowodorami tylko w osadach nie starszych niż śrokowokarbońskie, ponieważ starsze skały macierzyste wyczerpały już swój potencjał węglowodorowy do tego czasu.
    Źródło:
    Przegląd Geologiczny; 2017, 65, 8; 516--525
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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