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Tytuł:
Episkeletobionts of large rugose corals from the Middle Devonian mesophotic palaeoenvironment recorded in the Pokrzywianka Beds (Holy Cross Mountains, Poland)
Autorzy:
Zatoń, Michał
Malec, Jan
Wrzołek, Tomasz
Kubiszyn, Beata
Zapalski, Mikołaj K.
Powiązania:
https://bibliotekanauki.pl/articles/2185913.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Epibionts
hard substrates
Palaeozoic
palaeoecology
Opis:
Organisms encrusting corals from a coral horizon encountered in a trench in the Middle Devonian (Givetian) Pokrzywianka Beds of the classic Grzegorzowice-Skały section in the Holy Cross Mountains, Poland, are described and analyzed in the context of their palaeoecological and palaeoenvironmental background. These episkeletobionts form rather a low-diversity community, dominated by microconchid tubeworms, crinoids, and tabulate corals. The last group, however, is especially diverse at the family level, represented by auloporids, alveolitids, coenitids and favositids. These episkeletobionts are considered to have developed in a low-light, lower mesophotic palaeoeonvironment, as evidenced by the presence of platy, alveolitid tabulate coral in the deposits studied. This microconchid-crinoid-tabulate-coral community differs from other Givetian communities from the Holy Cross Mountains (Laskowa and Miłoszów), which also are considered to have developed in low-light habitats. The differences in taxonomic composition of episkeletobionts between these three localities most probably resulted from specific local conditions, related to bathymetry (light levels, nutrient levels), the specific nature of the hosts/substrates occupied, and also differences in larval dispersal patterns. This, in turn, shows that various encrusting communities may have inhabited seemingly similar, marine habitats within a given time interval and neighbouring areas, which may have serious implications for large-scale comparisons of biodiversity within a given palaeoenvironment.
Źródło:
Annales Societatis Geologorum Poloniae; 2022, 92, 4; 465--484
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Petroleum processes in the Palaeozoic - Mesozoic strata of the Grobla-Limanowa area (basement of the Polish Carpathians)
Autorzy:
Wróbel, M.
Kosakowski, P.
Więcław, D.
Powiązania:
https://bibliotekanauki.pl/articles/184428.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
source rocks
oil-source rock correlation
Carpathian Foredeep
Mesozoic
Palaeozoic
petroleum modelling
Opis:
The geochemical characteristics of the Palaeozoic and Mesozoic strata of the basement of the Carpathian Foredeep depicted the Devonian and Carboniferous source rocks as the best source for hydrocarbon generation. Moreover, the Outer Carpathian sequence was geochemically characterized and proved capable of generating hydrocarbons. The oil-source rocks’ correlations indicated that the source of the condensate accumulated in the Łąkta field, while oil in the Grobla field. Maturity modelling identified Devonian source rocks as they reached a late phase of the “oil window” and, locally, even the “gas window”. The Carboniferous source rock was mature enough to start the generation processes. The generation started in the late Carboniferous, both in the Upper Silesian and Małopolska blocks. The main phase of the petroleum processes took place in late Neogene. The expulsion was observed only in the Devonian source rocks, and vertical migration by fault system in both blocks resulted in oil and gas accumulation in the Upper Jurassic carbonates and Upper Cretaceous sandstones. The petroleum modelling indicated the Devonian source for oil and gas fields in the study area. However oil-source rock correlation also suggests the presence of the Carpathian flysch source for hydrocarbons accumulated in the Łąkta field.
Źródło:
Geology, Geophysics and Environment; 2016, 42, 2; 185-206
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Petroleum processes in the Palaeozoic and Mesozoic strata between Tarnów and Rzeszów (SE Poland) : 2-D modelling approach
Autorzy:
Wróbel, M.
Kosakowski, P.
Krzywiec, P.
Powiązania:
https://bibliotekanauki.pl/articles/191776.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
petroleum processes
2D modelling
Mesozoic
Palaeozoic
Tarnów–Rzeszów area
SE Poland
Opis:
Two-dimensional modelling of hydrocarbon generation, expulsion, migration and accumulation pro- cesses in SE Poland between Tarnów and Rzeszów was carried out for five source rock horizons, i.e. the Ordo- vician, Silurian, Middle Devonian–Lower Carboniferous carbonates, Lower Carboniferous clastics, and Middle Jurassic. Five cross-sections in the study area allowed the reconstruction of timing and range of petroleum processes. The best source rocks related to the Ordovician and Silurian shales and mudstones reached “oil window” maturity within the entire study area and locally also reached the “gas window”. Generation of hydro- carbons was observed from all five source rocks, but the Ordovician and Silurian source rocks generated two and three times more hydrocarbons than the Lower Carboniferous and Jurassic source rocks, respectively. Expulsion took place only in case of the Lower Palaeozoic source rocks, but the volume of expelled hydrocarbons differed across the area. Hydrocarbons migrated from the Ordovician and Silurian source rocks to the Upper Jurassic (carbonates) and Upper Cretaceous (sandstones) reservoirs or to the Upper Palaeozoic carbonates in connection with the emplacement of the Carpathian thrust belt during the Miocene. Faults formed main migration pathways and hydrocarbons accumulated in structural and stratigraphic traps, located in the vicinity of faults. In places, traps are associated with a deep Miocene erosion surface. The onset of hydrocarbon generation took place during the Neogene, mainly the Miocene, but in the north, generation and expulsion started earlier – at the end of the Mesozoic.
Źródło:
Annales Societatis Geologorum Poloniae; 2012, 82, 1; 81--97
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Relative secular variations of the Earth’s magnetic field in the years1966–2016 along the profile across the main tectonic units of Poland (Zgorzelec-Wiżajny profile)
Autorzy:
Wojas, Anna
Grabowska, Teresa
Powiązania:
https://bibliotekanauki.pl/articles/184271.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
relative local secular variations
geomagnetic field
total magnetic intensity
Palaeozoic Platform
Trans-European Suture Zone
East European Craton
Polska
Opis:
The paper summarizes 50 years of research on relative local secular variations of the total magnetic intensity (TMI) along Zgorzelec-Wiżajny profile (Z-W profile) through the years 1966–2016. The Z-W profile (approximately 650 km length) cuts through Europe’s major tectonic units, including a zone of Variscan folds in the Paleozoic platform (PP), the Trans-European Suture Zone (TESZ) and the Polish part of the East European Craton (EEC). Measurements of TMI were made at 31 sites of the profile and reduced to the base recordings at the Central Geophysical Observatory in Belsk. Based on linear approximations of relative geomagnetic field values changes in time, relative annual changes in time (relative secular variations) expressed in nanoteslas [nT] per year were calculated. The study on relative geomagnetic field values revealed slower secular variations of the geomagnetic field in EEC as compared to those in PP and TESZ. However, they show lower amplitudes of these variations. An interesting phenomenon are rapid changes in the time of the relative values (trends) of TMI starting from the year 2000, also expressed as the relative secular variations per year, particularly visible in PP area. In the qualitative sense, relative secular variations show a correlation with the main geological units in the Polish territory and also important elements in the seismic and geothermal model of the lithosphere.
Źródło:
Geology, Geophysics and Environment; 2019, 45, 3; 183-194
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Habitat and hydrocarbon potential of the Palaeozoic source rocks in the Kraków–Rzeszów area (SE Poland)
Autorzy:
Więcław, D.
Kotarba, M. J.
Kowalski, A.
Kosakowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/191373.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
source rock
hydrocarbon potential
Rock-Eval pyrolysis
biomarkers
stable carbon isotopes
Palaeozoic basement
Małopolska Block
Polish Carpathian Foredeep
Opis:
The quantity, genetic type and maturity of organic matter dispersed in Ordovician, Silurian, Devonian and Lower Carboniferous strata in the basement of the Carpathian Foredeep between Kraków and Rzeszów were determined based on the results of organic geochemical analyses of 600 rock samples collected from 44 wells. The best source rocks were found in the Silurian strata where the total organic carbon (TOC) content is up to 6.6 wt% and the median value equals ca. 1.5 wt%. The median values of the initial organic carbon contents in individual wells vary from 1.2 to 3.5 wt%. The Ordovician, Lower Devonian and clastic facies of the Lower Carboniferous strata can be considered as an additional source of hydrocarbons with the median TOC values of 0.27, 0.56 and 0.53 wt%, respectively. The Middle and Upper Devonian strata as well as the carbonate facies of the Lower Carboniferous strata have much lower quantities of organic carbon, although in these strata levels with elevated TOC contents were observed. In the Lower Palaeozoic and Lower Devonian strata, the oil-prone, low-sulphur Type II kerogen is present, whereas in the younger divisions presence of the gas-prone Type III kerogen is visible. In the Lower Carboniferous clastics gas-prone kerogen dominates. The Silurian and clastic facies of the Lower Carboniferous strata have been deposited in the normal marine conditions, whereas the Ordovician, Devonian and carbonate facies of the Lower Carboniferous strata usually experienced reducing conditions. The source rocks are mostly at the initial and middle phase of the low-temperature thermogenic processes. Locally, immature (in the Lower Carboniferous carbonates in the vicinity of Łąkta gas-condensate field) or late-mature (in the Middle and Upper Devonian strata in the area of Grobla–Pławowice oil field) source rocks were observed.
Źródło:
Annales Societatis Geologorum Poloniae; 2011, 81, No 3; 375-394
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Origin of liquid hydrocarbons accumulated in the Miocene strata of the Polish Carpathian Foredeep and its Palaeozoic–Mesozoic basement
Autorzy:
Więcław, D.
Powiązania:
https://bibliotekanauki.pl/articles/191540.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
oil origin
biomarkers
stable carbon isotopes
oil-oil correlation
Palaeozoic–Mesozoic basement
Polish Carpathian Foredeep
Opis:
Petroleum geochemical data of 34 oils and condensates accumulated in the Carpathian Foredeep and its Mesozoic and Palaeozoic basement were used to assess their origin and genetic type. The analysed liquid hydrocarbons are characterized by variable densities and sulphur contents. No relationship between these parameters and the reservoir rock age has been found. Secondary processes of evaporative fractionation and biodegradation are evidenced for some oils. These processes proceeded most intensively on the oil from Góra Ropczycka-1K well. The oils from Opaka-1, Lubaczów-157 and Góra Ropczycka-1K wells were generated from organic matter deposited in the Upper Jurassic carbonates. The oil from the inflow in Załazie-2 well originated from the Cambrian strata, but also contains biomarkers characteristic of Miocene strata. The next family, genetically connected with the Silurian and Ordovician source rocks, consists of oils accumulated in the Lower Carboniferous carbonates in Nosówka deposit and in the Upper Jurassic in the inflow into Łękawica-1 well. The condensates collected from the Miocene (Łękawica-1, Pilzno-37, Tarnów-39 and -45 wells) and Upper Jurassic strata (Łąkta-27 and Tarnów-5 wells) were generated by organic matter dispersed in the Middle Jurassic or Lower Carboniferous clastic facies. The remaining oils, from Grobla-Pławowice, Wierzchosławice, Jastrząbka Stara, Partynia-Podborze, Dąbrowa Tarnowska, Brzezówka and Zagorzyce deposits, and the inflows into Tarnów-47 and Pilzno-12 wells were generated from kerogen enriched in organic sulphur usually dispersed in carbonate rocks. Such a type of sediments occurs in the Devonian and Lower Carboniferous strata. Also, these strata as well as the underlying Silurian rocks have sufficient maturity for generation of the discussed oils. The oleanane in the discussed oils most probably originates from kerogen of the Upper Cretaceous or Miocene strata, through which these oils migrated and eluted this biomarker.
Źródło:
Annales Societatis Geologorum Poloniae; 2011, 81, No 3; 443-458
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paleogene-Neogene tectonic evolution of the lignite-rich Szamotuły Graben
Autorzy:
Widera, Marek
Stawikowski, Wojciech
Uścinowicz, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/138663.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Palaeozoic Platform
Polish Basin
salt diapirism
synsedimentary tectonics
lignite compaction
platforma paleozoiczna
basen polski
diapiryzm solny
wysad solny
tektonika synsedymentacyjna
zagęszczanie węgla brunatnego
Opis:
The Szamotuły Graben covers the southernmost part of the Permo-Mesozoic Poznań–Szamotuły Fault Zone. Along this regional discontinuity there are several salt structures, including the Szamotuły diapir, over which an extensional graben formed in the Paleogene and Neogene. The graben is located north of Poznań in central-western Poland, and is NW–SE-trending, ~20 km long, 3–5.5 km wide, and up to 160 m deep. It is filled with Lower Oligocene and Neogene sediments, including relatively thick lignite seams. Data from boreholes allow the assignment of the graben-fill sediments to appropriate lithostratigraphic units. Furthermore, analysis of changes in the thickness of these units provides evidence for periods of accelerated graben subsidence or uplift relative to its flanks. As a result, two distinct stages of tectonic subsidence and one inversion in the Paleogene–Neogene evolution of the Szamotuły Graben have been distinguished. Thus, relatively significant subsidence occurred in the Early Oligocene and the middle Early–earliest Mid-Miocene, while slight inversion took place in the middle part of the Mid-Miocene.
Źródło:
Acta Geologica Polonica; 2019, 69, 3; 387-401
0001-5709
Pojawia się w:
Acta Geologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wyniki interpretacji strukturalnej utworów triasu i paleozoiku przedgórza Karpat opartej na nowych danych sejsmicznych
Results of the structural interpretation of Triassic and Palaeozoic formations of the Carpathian Foreland based on new seismic data
Autorzy:
Urbaniec, Andrzej
Bartoń, Robert
Bajewski, Łukasz
Wilk, Aleksander
Powiązania:
https://bibliotekanauki.pl/articles/1834109.pdf
Data publikacji:
2020
Wydawca:
Instytut Nafty i Gazu - Państwowy Instytut Badawczy
Tematy:
przedgórze Karpat
trias
paleozoik
interpretacja sejsmiczna
atrybut sejsmiczny
Carpathian Foreland
Triassic
Palaeozoic
seismic interpretation
seismic attributes
Opis:
The main purpose of the article was to reconstruct the structural details of the Triassic and Palaeozoic formations of the central part of the Carpathian Foreland based on interpretation of new 3D seismic data. The interpretation included the analysis of seismic attributes, among them Time Gain, Relative acoustic impedance, First derivative, Dominant frequency and Instantaneous bandwidth were the most useful. Previous knowledge on the geological structure of the Palaeozoic complex in this area was derived mainly from the interpretation of 2D seismic sections, regional concepts and data from the only deep well drilled in the late 1950s and early 1960s. The results of the seismic image analysis show that the Jurassic sub-surface is composed of a number of tectonic blocks of various sizes, separated by dislocation zones. Most of them are tilted blocks which are the remnants of the Caledonian-Variscan tectonic system. Palaeozoic sediments with clearly arranged continuous seismic reflectors strongly contrast in the seismic image with the complex of anchimetamorphic rocks of the uppermost Ediacaran characterized by disarranged, homogeneous record. Clastic formations of the Lower Triassic fill primarily the deeper parts of the tectonic half-grabens. Based on the seismic image analysis, the complex is divided into two series: the lower one, with significantly lower amplitude values and noticeably lower continuity of seismic reflectors and the upper one with diversified dynamics and greater continuity of reflectors. The highest analyzed complex is the carbonate formation of Roetian and Muschelkalk, characterized by high amplitude values and high continuity of reflectors so that it can be easily identified on seismic sections. The analysis carried out with the use of seismic attributes allowed to determine the seismic characteristics of individual lithostratigraphic complexes of the Triassic and Palaeozoic formations and provided more detailed information on the geological structure of the research area.
Źródło:
Nafta-Gaz; 2020, 76, 9; 559-568
0867-8871
Pojawia się w:
Nafta-Gaz
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Facies architecture of the Cambrian deposits of the Baltica shelf in the Lublin Basin, SE Poland
Autorzy:
Stadnik, Renata
Bębenek, Sławomir
Waśkowska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/191224.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Lower Palaeozoic
Baltica
shelf
sedimentary environments
lithofacies
Opis:
In the Cambrian, the Lublin Basin was a shallow-water area, located on the western edge of the Baltica palaeocontinent. The Cambrian sedimentary sequence, forming the lower part of the sedimentary cover of the North European Platform, is lithologically diversified and reflects dynamic variation in depositional environment. This paper presents the distribution of palaeofacies and sedimentary environments in the early Lublin Basin, including changes in their lateral extent during its evolution in the Cambrian. In order to evaluate the facies architecture of the Lublin Basin, a sedimentological analysis was carried out. On the basis of the detailed logging of drill cores, lithofacies made up of conglomerates, sandstones, mudstones and heterolithic deposits were distinguished; 16 lower-rank sublithofacies were identified. Their specific assemblages are indicative of shelf-type lithofacies associations, i.e. (1) tidal flat with muddy, mixed and sandy tidal plain sublithofacies including subtidal channels; (2) barrier-lagoon; (3) shoreface with lower, middle and upper shoreface subassociations; and (4) offshore with upper and lower offshore subassociations, including sandy tidal ridges. During the early Cambrian, the lateral variability and environmental succession indicate a transgressive, long-term trend and the migration of a lagoonal environment across wide tidal plains and the shoreface up to an offshore environment. The Lublin Basin reached its greatest lateral extent and maximum depth in the upper lower Cambrian. Next, an opposite trend began and during the middle Cambrian a regression cycle is recorded in successive changes in sedimentary environments that reflect a progressive shallowing. Multiple changes in adjacent environments indicate repeated and cyclical, lower-rank ingressions.
Źródło:
Annales Societatis Geologorum Poloniae; 2019, 89, 2; 105-120
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Petrografia i mineralogia łupków niższego paleozoiku kratonu wschodnioeuropejskiego oraz piaskowców karbonu podłoża monokliny przedsudeckiej
Petrography and mineralogy of the lower Palaeozoic shales from the East European Craton and Carboniferous sandstones from the basement of the Fore-Sudetic Homocline
Autorzy:
Sikorska-Jaworowska, M.
Kuberska, M.
Kozłowska, A.
Powiązania:
https://bibliotekanauki.pl/articles/2075495.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
petrologia
dolny paleozoik
Karbon
kraton wschodnioeuropejski
SW Polska
niekonwencjonalne węglowodory
petrology
lower Palaeozoic
Carboniferous
East European Craton
SW Poland
unconventional hydrocarbons
Opis:
The study deals with clay-silt shales occurring in the lower Palaeozoic basin at the western slope of the East European Craton, and sandstones known from the Carboniferous Basin of SW Poland (basement of theFore-SudeticHomocline).The clay groundmass of the shales consistslargely of illite, and the silt fraction is made up of quartz with a variable admixture of feldspars. Quartz and carbonate cements are common, while pyrite, kaolinite and phosphate cements are rare. The clay groundmass reveals microporosity in the form of microchannels paralleling illite plates, and visible with in mica packets. Carboniferous sandstones are represented mostly by sublithic or subarkosic wackes and rarely by lithic, sublithic or subarkosic arenites. The pore space between sand grains is completely filled by clayey matrix. Both porosity and permeability are very low in the sandstones.
Źródło:
Przegląd Geologiczny; 2016, 64, 12; 963--967
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geological setting and Ediacaran–Palaeozoic evolution of the western slope of the East European Craton and adjacent regions
Autorzy:
Poprawa, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/191938.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Lower Palaeozoic
Ediacaran
Baltic Basin
Lublin-Podlasie Basin
geological map
geological cross-section
tectonic evolution
Opis:
A set of geological maps and geological cross-sections was prepared to document the geological setting of sedimentary basins developed on the western slope of the EEC and adjacent areas to the west. On the basis of these data and literature on the subject, the evolution of the sedimentary basins in the study area was reviewed, with special emphasis on the Ediacaran–Lower Palaeozoic basin. The basin originated during late Ediacaran rifting, related to the latest stages of breakup of the Precambrian super-continent Rodinia/Pannotia, associated with large-scale igneous activity. The rifting ultimately led to the formation of the Tornquist Ocean and subsequently, during the latest Ediacaran to Middle Ordovician, the SW margin of the newly formed Baltica became a passive continental margin. The upper Cambrian depocentre in the Biłgoraj-Narol Zone and the Łysogóry Block tentatively is interpreted as a small, narrow foredeep, related to the docking of the Małopolska Block to the western margin of Baltica. From the Late Ordovician through the Silurian, a gradual change to a collisional tectonic setting is observed across the entire SW margin of Baltica, as well as in the zones adjacent to it from the west, which together became the site of development of the extensive Caledonian foredeep basin, related to the convergence and collision of Avalonia and Baltica. The oblique character of the collision resulted in a prominent diachronism in the development of the foredeep basin. This refers to the initiation of basin subsidence, the starved basin phase, the main phase of rapid subsidence and supply of detritus from the west, and the termination of basin development. The Early Mississippian (Bretonian) phase of uplift and erosion and, to a lesser degree, also the Late Pennsylvanian one significantly affected the structure of the western EEC. During the Mississippian, extensive magmatic activity took place at the SW margin of East European Craton, in the region referred to here as the Baltic-Lublin Igneous Province.
Źródło:
Annales Societatis Geologorum Poloniae; 2019, 89, 4; 347-380
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozpoznanie stref perspektywicznych występowania niekonwencjonalnych złóż węglowodorów w Polsce : nowe wyniki oraz dalsze kierunki badań
Investigation of the prospective areas and stratigraphic horizons of the unconventional hydrocarbon resources in Poland : new results and future research directions
Autorzy:
Podhalańska, T.
Waksmundzka, M. I.
Becker, A.
Roszkowska-Remin, J.
Powiązania:
https://bibliotekanauki.pl/articles/2075503.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
system węglowodorowy
niekonwencjonalne systemy węglowodorowe
przeszłość geologiczna
dolny paleozoik
Karbon
kraton wschodnioeuropejski
Południowo-Zachodnia Polska
hydrocarbon system
unconventional hydrocarbon systems
geological background
lower Palaeozoic
Carboniferous
East European Craton
South-Western Poland
Opis:
Studies that have recently been carried out by the Polish Geological Survey aim at, among others, deepening and supplementing the knowledge of unconventional hydrocarbon systems in Poland, including petroleum systems of the lower Palaeozoic in the Polish part of the East European Craton and of the Carboniferous in the South-Western Poland. The article presents the main principles and objectives of the research and the results of the project titled “Identification of prospective zones for unconventional hydrocarbon accumulations in Poland, stageI”,which is the only project that uses a wide range of recently conducted regional geology research and laboratory analyses, integrated with geological information derived from newly drilled boreholes. Geological constraints for the occurrence of unconventional hydrocarbon deposits in the Cambrian, Ordovician Silurian and Carboniferous rocks are presented. What is emphasized is the need to continue the work and to extend it to new research directions aimed at petroleum system modelling (e.g.burial history and analysis of hydrocarbon generation), and the need to refine and clarify some of the results obtained, supplementing them with an analysis of the latest data from newly drilled boreholes.
Źródło:
Przegląd Geologiczny; 2016, 64, 12; 953--962
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strefy perspektywiczne występowania niekonwencjonalnych złóż węglowodorów w kambryjskich, ordowickich, sylurskich i karbońskich kompleksach skalnych Polski : integracja wyników badań
Prospective zones for unconventional hydrocarbon resources in Cambrian, Ordovician, Silurian and Carboniferous rocks of Poland : integration of the research results
Autorzy:
Podhalańska, T.
Waksmundzka, M. I.
Becker, A.
Roszkowska-Remin, J.
Dyrka, I.
Feldman-Olszewska, A.
Głuszyński, A.
Grotek, I.
Janas, M.
Karcz, P.
Nowak, G.
Pacześna, J.
Roman, M.
Sikorska-Jaworowska, M.
Kuberska, M.
Kozłowska, A.
Sobień, K.
Powiązania:
https://bibliotekanauki.pl/articles/2075500.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
niekonwencjonalne złoża węglowodorów
strefa perspektywiczna
dolny paleozoik
karbon
basen bałtycko-podlasko-lubelski
zagłębie SW Poland
unconventional hydrocarbon resources
prospective zones
lower Palaeozoic
Carboniferous
Baltic-Podlasie-Lublin basin
Carboniferous basin of SW Poland
Opis:
The paper presents the characteristics of prospective zones identified for the first time within the lower Palaeozoic shale formations occurring in the Baltic-Podlasie-Lublin Basin and within the Carboniferous shale, sandstone, and mixed shale-sandstone complexes (the so-called hybrid complexes) in the basin of south-western Poland. The lateral and vertical ranges of these zones are determined based on specific criteria using the results of various research methods and analyses, i.e.: stratigraphic, sedimentological, mineralogical, petrological and geochemical of organic matter, petrographic and petrophysical, including interpretation of well logs. Archived geological materials and those coming from the boreholes drilled recently in the concession areas were also used. Four prospective zones have been distinguished in the lower Palaeozoic of the so-called shale belt: SP1, SP2, SP3 and SP4. The most prospective area for the occurrence of unconventional hydrocarbon deposits in shale formations is the Baltic region – the Łeba Elevation, where there are all four perspective zones, only partially covering the range of potentially prospective formations. In each of these zones, both liquid and gas hydrocarbons can be expected in this area. Due to the low percentage of organic matter, the lowest hydrocarbon generation potential is attributed to the Lublin region. However, the low values of this parameter are compensated by other parameters, i.e. the considerable thickness and lateral extent of zone SP4 corresponding partly to the Pelplin Formation. In the Carboniferous rocks of south-western Poland, seven prospective zones have been distinguished in four borehole sections. Four of them are “tight” zones in compact sandstones, while the other three zones represent a hybrid type in complexes with mixed lithology. No prospective zones have been defined in complexes with homogeneous shale lithologies. Determination of lateral extents of the identified zones has not been possible due to the scarcity of data on the geological structure and stratigraphy of the Carboniferous succession in the study area
Źródło:
Przegląd Geologiczny; 2016, 64, 12; 1008--1021
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Palaeozoic porphyry molybdenum-ungsten deposit in the Myszków area, Southern Poland
Autorzy:
Podemski, M.
Powiązania:
https://bibliotekanauki.pl/articles/1187401.pdf
Data publikacji:
2001
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
porfirowe złoże molibdenowo-wolframowe
paleozoiczne złoże typu miedziowo-porfirowego
fluidy magmowe i pomagmowe
strefowość mineralna
strefowość geochemiczna
analiza czynnikowa
model mineralizacji
geneza mineralizacji
porphyry molybdenum-tungsten deposit
Palaeozoic porphyry copper-type deposit
magmatic and postmagmatic fluids
minerał zoning
geochemical zoning
factor analyses
mineralisation model
genesis of mineralisation
Opis:
Porfirowe złoże molibdenowo-wolframowe w Myszkowie jest jednym z szeregu złóż miedziowo-porfirowych odkrytych w południowej Polsce, w słabo rozpoznanej strefie skał prekambryjsko-paleozoicznych obszaru Kraków-Lubliniec. Złoże myszkowskie występuje w kompleksie słabo zmetamorfizowanych skał proterozoiczno (wend)-dolnopaleozoicznych (dolny kambr), intrudowanych przez skały magmowe, głównie granodiorytowe. Wiek skał magmowych oraz mineralizacji kruszcowej określony został na górny karbon. Warto podkreślić, iż w Europie nie są znane inne złoża miedziowo-porfirowe tego wieku. Zarówno skład chemiczny i mineralogiczny mineralizacji kruszcowej złoża w Myszkowie, jak i występujące w nim rodzaje użylenia, są charakterystyczne dla złóż miedziowo-porfirowych, związanych z wapniowo-alkalicznymi masywami magmowymi. Złoże myszkowskie zbudowane jest głównie z żył o charakterze sztokwerku. Rzadsze są minerały skarnowe. Wyróżniono w nim kilka stadiów mineralizacji kruszcowej. Pięć z nich związanych jest ściśle z powstaniem złoża porfirowego. Hipoteza wielostadialnej genezy mineralizacji myszkowskiej wsparta została wynikami analizy czynnikowej danych pochodzących z badań geochemicznych wybranych rdzeni wiertniczych. Złoże w Myszkowie jest wzbogacone w Cu i Mo, natomiast jest bardzo ubogie w Au. W porównaniu z innymi złożami miedziowo-porfirowymi, związanymi z masywami wapniowo-alkalicznymi, złoże w Myszkowie jest niezwykle wzbogacone w wolfram. Dlatego uznano, że reprezentuje ono unikatowy typ złoża porfirowego: molibdenowo-wolframowy. Ogólnie biorąc, skład mineralny oraz mineralizacja kruszcowa złoża myszkowskiego są charakterystyczne dla głębszych partii złóż miedziowo-porfirowych. Nie można więc wykluczyć, że górna część złoża myszkowskiego, być może najbogatsza w mineralizację kruszcową, została między górnym karbonem a triasem usunięta przez erozję. W obniżonych częściach obszaru Kraków-Lubliniec mogły jednak zachować się inne, pełniejsze złoża typu myszkowskiego, być może posiadające nawet wzbogaconą strefę wietrzeniową.
Źródło:
Polish Geological Institute Special Papers; 2001, 6; 1-88
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methodology and results of digital mapping and 3D modelling of the Lower Palaeozoic strata on the East European Craton, Poland
Autorzy:
Papiernik, Bartosz
Michna, Michał
Powiązania:
https://bibliotekanauki.pl/articles/191670.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
3D structural models
parametric models
digital mapping
data integration
shale gas
Lower Palaeozoic
East European Platform
Opis:
The paper presents a multi-phase and multi-stage methodology of 3D structural-parametric modelling and mapping that has been applied during implementation of the GAZGEOLMOD project. The core of the applied processing workflows is a 3D geological model constructed in Petrel, which functions as a spatial database for all kinds of geological models. The first phase of the workflow comprised an extended process of database project building that was very intensive at the beginning of the project and continued to its end. The second phase of processing consisted of a complex process of mapping and structural modelling that is performed in 8 stages, allowing for iterative improvements of model resolution. During the realization of stages 1 to 7, processing was run independently for the Baltic (BB), Podlasie (PB) and Lublin Basins (LB). The workflow included the following stages: (1) unification and digitization of published and on file analogue and digital, structural maps; (2) preliminary reinterpretation, including adjustment to stratigraphy data acquired from archives; (3) adjusting the maps to the primary results of seismic interpretation, mainly from archival data; (4) digitization and gridding of pre-existing palaeothickness maps and updates of them with data from boreholes completed after 2009; the reinterpretation of the palaeothickness maps into contemporary thickness maps; (5) elaboration of the primary structural 3D models for the three basins; (6) increasing of the stratigraphic resolution of models up to the rank of the geological epoch for Ordovician–Silurian strata; (7) conversion of basin-scale structural models into a 2D grid, and their merging into platform-scale surfaces, resulting in 45 structural and thickness maps; finally, they were adjusted to the results of seismic interpretation and sedimentological studies, obtained in the project; and (8) completion of the resulting structural models for each of the basins and for the entire Polish part of the East European Craton in several different versions. In the third phase of processing, parametric models of vitrinite reflectance (Ro) and Total Organic Carbon (TOC) were estimated.
Źródło:
Annales Societatis Geologorum Poloniae; 2019, 89, 4; 405-427
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 41

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