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    Wyświetlanie 1-8 z 8
    Tytuł:
    Wykorzystanie interferometrii satelitarnej do monitoringu deformacji powierzchni terenu na przykładzie LGOM
    Satellite interferometry for ground deformation monitoring, LGOM example
    Autorzy:
    Graniczny, M.
    Kowalski, Z.
    Kowalski, P.
    Przyłucka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061776.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    InSAR
    LGOM
    zjawiska sejsmiczne
    prążki interferometryczne
    Sentinel-1
    seismic event
    fringes
    Opis:
    W artykule przedstawiono zmiany powierzchni terenu zaistniałe w obszarze górniczym Rudna między 28 listopada a 10 grudnia 2016 r. Zmiany zarejestrowano na interferogramie różnicowym pozyskanym ze scen najnowszego satelity radarowego Sentinel-1. Interferogram jest obrazem rastrowym, będącym złożeniem dwóch scen radarowych, na którym jest przedstawiona różnica faz odbitego sygnału. Różnica ta odzwierciedla zmiany zaistniałe na powierzchni terenu w postaci prążków interferometrycznych, które można interpretować jako kolejne warstwice zmian morfologii terenu. W badanym okresie zidentyfikowano zmiany rzędu 3 cm. Wszystko wskazuje na to, że były one związane ze wstrząsem sejsmicznym z dnia 29 listopada, co zostało potwierdzone przez porównanie lokalizacji epicentrum zjawiska i wystąpienia deformacji terenu.
    The article presents surface deformations and changes in the Rudna mining areas, which occured between 28 November and 10 December 2016. These changes were recorded on the radar differential interferogram derived from the scenes of the ESA radar satellite Sentinel-1. The interferogram is a raster image that is a combination of two radar scenes, showing the phase difference of the reflected microwave signal. This difference reflects changes occurring on the earth surface in the form of interferometric stripes called “fringes”. They are interpreted as contours of changes in earth morphology. During the analyzed period, 3-cm variations were identified. All indications show that they were related to the November 29 seismic shock, which was confirmed by comparing the location of the earthquake epicentre with the recorded fringes.
    Źródło:
    Biuletyn Państwowego Instytutu Geologicznego; 2017, 469; 59--66
    0867-6143
    Pojawia się w:
    Biuletyn Państwowego Instytutu Geologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Habitat and hydrocarbon potential of the Mesozoic strata in the Kraków–Rzeszów area (SE Poland)
    Autorzy:
    Kosakowski, P.
    Więcław, D.
    Kotarba, M. J.
    Kowalski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2058966.pdf
    Data publikacji:
    2012
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Carpathian Foredeep substratum
    Mesozoic strata
    Middle Jurassic source rock
    petroleum geochemistry
    quality of source rocks
    Opis:
    The Mesozoic strata in the southeastern Poland were geochemically characterized to determine their hydrocarbon potential on the basis of 483 core samples from 36 boreholes. The Lower and Middle Triassic, Middle and Upper Jurassic, and Lower and Upper Cretaceous turned out to be highly variable. Middle Jurassic rocks represent the highest geochemical quality. Their total organic carbon (TOC) contents range between 0.0 and 17.0 wt.%, with a median of 0.89 wt.%. The highest TOC was observed in the rocks of the Tarnawa 1 borehole. In the remaining boreholes analysed the organic carbon contents were much lower and usually did not exceed 1 wt.%. Gas-prone Type-III kerogen with an admixture of Type-II kerogen is present in the study area. The lowest TOC values were observed in the Cretaceous rocks, where median values were 0.05 wt.% and 0.04 wt.% for Upper Cretaceous and Lower Cretaceous strata respectively. Low TOC contents were also observed in the Lower Triassic and Upper Jurassic strata. Accordingly, those horizons could not be regarded as effective source rocks. The petroleum potential of these stratigraphic horizons is additionally significantly reduced by low maturity, below the threshold for the generation of hydrocarbons. The Mesozoic organic matter was found to be generally immature, i.e. below 0.5% of vitrinite reflectance.
    Źródło:
    Geological Quarterly; 2012, 56, 1; 139-152
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potencjał węglowodorowy skał macierzystych i geneza gazu ziemnego akumulowanego w utworach miocenu zapadliska przedkarpackiego w strefie Rzeszowa
    Hydrocarbon potential of source rocks and origin of natural gases accumulated in Miocene strata of the Carpathian Foredeep in Rzeszów area
    Autorzy:
    Kotarba, M. J.
    Więcław, D.
    Kosakowski, P.
    Kowalski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074398.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    zapadlisko przedkarpackie
    miocen autochtoniczny
    kopalna substancja organiczna
    geochemia
    potencjał węglowodorowy
    gaz ziemny
    izotopy trwałe
    Carpathian Foredeep
    autochthonous Miocene
    organic matter
    hydrocarbon potential
    methane
    gas origin
    microbial processes
    organic geochemistry
    stable isotopes
    Opis:
    In the autochthonous Upper Badenian and Lower Sarmatian strata of the Carpathian Foredeep in the Rzeszów area the total organic carbon (TOC) contents vary from 0.02 to 1.26 wt. %(average 0.64 wt. %). Geochemical studies on the dispersed organic matter demonstrated the presence of gas-prone type III (humic) kerogen with small admixtures of algal type II kerogen. At depths less than 2,500 metres the organic matter is immature, thus microbial processes predominated. Methane concentration in natural gases accumulated within Miocene strata usually exceeded 94 vol. %and was generated by microbial reduction of carbon dioxide. Microbial methane was generated mainly during deposition of autochthonous Miocene sediments, but it is possible that this process continues today on a small scale. Higher gaseous hydrocarbons (mainly ethane and propane), which are usually minor constituents (concentrations less than 0.4 vol. %), were generated during diagenetic processes and at the initial stage of the low-temperature thermogenic processes. The slight changes in the geochemical indices of dispersed organic matter and isotope ratios of natural gases with depth are evidence of the homogeneity of deposition of humic organic matter in shallow marine basin during the Late Badenian and the Early Sarmatian and the fact that similar gas generation conditions can be found in the Miocene sequence. Generation and accumulation of microbial methane and the formation and charging multiple stacked reservoirs within the autochthonous Miocene strata, e.g., Palikówka, Jasionka, Stobierna and Terliczka deposits, was facilitated by rhythmic and cyclic deposition of clays and sands and their very high sedimentation rate.
    Źródło:
    Przegląd Geologiczny; 2005, 53, 1; 67--76
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic correlation of source rocks and natural gas in the Polish Outer Carpathians and Paleozoic–Mesozoic basement east of Kraków (southern Poland)
    Autorzy:
    Kotarba, M. J.
    Więcław, D.
    Bilkiewicz, E.
    Dziadzio, P.
    Kowalski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060588.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Polish Outer Carpathians
    Paleozoic–Mesozoic basement
    source rock potential
    natural gas
    biomarkers
    stable carbon
    hydrogen isotopes
    nitrogen isotopes
    Opis:
    Natural gas-source rock correlations in the Polish Outer Carpathians and Paleozoic–Mesozoic basement in the Kraków–Brzesko–Nowy Sącz area (southern Poland) have been established. In the Dukla and Sub-Silesian units, mixed kerogen Type-II/III or III/II occurs. The organic matter is immature or low-mature. The Oligocene Menilite beds of the Silesian Unit are rich in TOC and contain gas-prone Type III kerogen of low maturity. In the Paleozoic–Mesozoic basement, the TOC content and residual hydrocarbon potential vary in the Middle and Upper Devonian strata, Mississippian carbonate and clastic facies and Middle Jurassic strata. The Paleozoic strata are capable of thermogenic hydrocarbon generation, while organic matter in the Middle Jurassic rocks is generally immature. Gaseous hydrocarbons accumulated both in the Silesian and Dukla units of the Polish Outer Carpathians and in the Mesozoic basement are genetically related to thermogenic and microbial processes. The Outer Carpathian natural gas was generated mainly from the Type-II/III kerogen of the Oligocene Menilite beds. The thermogenic gases from the Mesozoic basement were generated from Devonian and Mississippian (carbonate) Type-II and mixed II/III kerogens and probably from Silurian/Ordovician Type-II kerogen and Middle Jurassic Type-III/II kerogen occurring at more than 7 km depth. Microbial methane migrated into the Outer Carpathian flysch succession from the Miocene strata of the Carpathian Foredeep.
    Źródło:
    Geological Quarterly; 2017, 61, 4; 795--824
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Habitat and hydrocarbon potential of the lower Paleozoic source rocks in the Polish part of the Baltic region
    Autorzy:
    Kowalski, A.
    Więcław, D.
    Grotek, I.
    Kotarba, M. J.
    Kosakowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059076.pdf
    Data publikacji:
    2010
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Baltic Region
    northern Poland
    source rock
    hydrocarbon potential
    Lower Paleozoic
    Opis:
    The quantity, genetic type and maturity of organic matter dispersed in the Lower Cambrian to the uppermost part of the Silurian (Pridoli) sequence of the Polish part of the Baltic region was determined based on the results of geochemical analyses of a total of 1377 rock samples collected from 38 onshore and offshore boreholes. The best source rocks were found in the Upper Cambrian-Tremadocian succession where present and initial total organic carbon (TOC) contents are up to ca. 18 and 20 wt.%, respectively. Caradocian (Ordovician) strata can be considered as an additional source of hydrocarbons. In the individual boreholes median present and initial TOC contents vary from 0.5 to 3.3 wt.% and from 1 to 6 wt.%, respectively. The Llandovery (Silurian) strata reveal moderate and locally high hydrocarbon potential of the source rocks. The present TOC content reaches locally 10 wt.% (usually 1-2 wt.%). Another source of hydrocarbons can be clayey intercalations within the Middle Cambrian strata. Their organic matter content rarely exceeds 1 wt.%, being often a result of advanced organic matter transformation. In all lower Paleozoic strata investigated from the Polish part of the Baltic region oil-prone, low-sulphur Type-II kerogen occurs, deposited in anoxic or sub-oxic conditions. The maturity of all source rocks changes from the initial phase of the low-temperature thermogenic processes in the northeastern part to the overmature stage in the southwestern part of the study area.
    Źródło:
    Geological Quarterly; 2010, 54, 2; 159-182
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Origin and migration of oil from the Ukrainian Outer Carpathians to their Mesozoic basement: a case of Lopushna traps
    Autorzy:
    Radkovets, N. Y.
    Kotarba, M.
    Koltun, Y.
    Kowalski, A.
    Kosakowski, P.
    Więclaw, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060167.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Ukrainian Carpathians
    Lopushna oil field
    oil origin
    biomarkers
    stable carbon isotopes
    migration pathways
    Opis:
    Lopushna oil field has been discovered in Mesozoic-Paleogene strata of the platform basement under the Ukrainian Outer (Flysch) Carpathians. Oils from two main accumulations, occurring in the Upper Cretaceous sandstone and Upper Jurassic limestone reservoirs, have been analysed in order to identify their origin and relation to the known petroleum systems in the region of the Outer Carpathians and the basement of the Carpathian Foredeep. Results of geochemical investigations of oils, including biomarker and isotopic data, show a good correlation with oils, accumulated in the Carpathian flysch strata. Oils are low-sulphur and did not undergo significant degradation. They were generated from Type II or II/III kerogen, deposited in anoxic environments in clastic sediments. Generation occurred at the peak of “oil window”, probably in the temperature range of 122 to 126oC. The presence of oleanane indicates the Cretaceous or younger source rocks. Good correlation on biomarker and isotopic data with the organic matter dispersed in Oligocene Menilite Beds, occurring at the top of the Carpathian flysch succession, allowed authors to identify them as source rocks for oils of the Lopushna field, which thus can be regarded as an oil family of the Outer Carpathians. The migration distance for both Lopushna oils and oils accumulated in the Carpathian flysch strata was similar. A number of sub-vertical dislocations, on which the subsided flysch strata occur at the same depth level with the Jurassic and Cretaceous rocks of the platform, can be assumed as possible migration pathways from the mature source rocks of the Oligocene Menilite Beds of Boryslav-Pokuttya, Skyba or Krosno units to the Lopushna type traps, which suggests the possibility of existence of other hydrocarbon accumulations of this type. The Lopushna field so far is unique containing this type of oil found in the basement of the Ukrainian Carpathian Foredeep.
    Źródło:
    Geological Quarterly; 2016, 60, 1; 133--148
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rozwój i określenie przyczyn osuwiska na skarpie zbiornika wodnego po odkrywkowej kopalni siarki „Piaseczno”
    Development and causes of the landslide in a water reservoir escarpment, the former "Piaseczno" sulphur open-cast mine
    Autorzy:
    Flisiak, J.
    Frankowski, Z.
    Haładus, A.
    Majer, E.
    Kowalski, M.
    Pietrzykowski, P.
    Rybicki, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075136.pdf
    Data publikacji:
    2014
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    internal dump landslide
    escarpment stability
    open-cast sulphur mine
    Opis:
    The landslide in the southern part of the western escarpment of the "Piaseczno" water reservoir was activated on 11th May 2011. The reservoir is a former open-cast sulphur mine and the landslide occurred in its internal dump. The volume of moved soil was estimated at 1 mln m3. The paper presents the development of the landslide that firstly occurred in the lower part of the escarpment and next moved to the upper parts far from the reservoir's boundaries. The landslide movement can be described as a regressive flow of saturated soil mass. The paper also discusses the research on the subject of the landslides and the stability analyses, as well as the influence of various factors.
    Źródło:
    Przegląd Geologiczny; 2014, 62, 4; 190--197
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Młoda geologia w Polsce : historia i działalność studenckich kół naukowych geologów
    Young geology in Poland : history and recent activity of student research group of geologists
    Autorzy:
    Kowalski, A.
    August, C.
    Jakus, N.
    Ozimkowski, W.
    Paca, P.
    Raczko, J.
    Sauermann, J.
    Senderak, K.
    Urbanek, P.
    Zając, M.
    Zboińska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075529.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    organizacje studenckie
    studenckie koło naukowe
    młoda geologia
    Polska
    student organizations
    student research groups
    young geology
    Polska
    Opis:
    Student scientific organizations and research groups create numerous opportunities for the development of interests and passions related to many fields of science. In case of geological sciences, student research groups are organizations which are conducive to exchanging first scientific ideas between young geologists and experienced researchers. These associations constitute also a generational bridge between students and their teachers. The beginnings of the firstformal organizations of geology students date back to the second halfof the 1940s and 1950s. Due to the nature of geological studies, membership in scientific circles, is associatedfrom the beginning of their activities with many research trips and participation in conferences. This paper aims at presenting the history and contemporary activity of geological student research groups in Poland. We describedfive organizations, whose activities constitute an integral part of geological studies in our country. Authors wish to remind distinguished teachers and members of student research groups, who contributed to their development in a special way.
    Źródło:
    Przegląd Geologiczny; 2016, 64, 9; 766--770
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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