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    Wyświetlanie 1-33 z 33
    Tytuł:
    Ordovician–Silurian lithostratigraphy of the East European Craton in Poland
    Autorzy:
    Porębski, Szczepan
    Podhalańska, Teresa
    Powiązania:
    https://bibliotekanauki.pl/articles/191874.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    lithostratigraphy
    Ordovician
    Silurianast European Craton
    Opis:
    This paper deals with the lithostratigraphic correlation of the Ordovician-Silurian succession between the Baltic, Podlasie and Lublin basins, located on the SW slope of the East European Craton. The correlation is based on previous lithostratigraphic classifications, which are modified here to include the results of recent biostratigraphic and sedimentological work performed on several new wells. The authors propose to extend the Sasino Formation for the entire upper Darriwilian-lower Katian mudstone sheet that is traceable in all basins. It is recommended that the Jantar Bituminous Claystone Member (late Hirnantian-Aeronian) of the Pasłęk Formation be elevated to the rank of formation and the name Pasłęk Mudstone Formation be retained for the late Aeronian-Telychian, rhythmic alternations of black, laminated mudstones and greenish, bioturbated mudstones. Moreover, the authors suggest that the top of the Kociewie Formation (Sheinwoodian-Ludfordian) be placed at the upper boundary of the Reda Member (latest Ludfordian), which shows much wider lateral persistence than previously was thought.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2019, 89, 2; 95-104
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preface : Unconventional hydrocarbon accumulations in the East European Craton in Poland
    Autorzy:
    Golonka, Jan
    Porębski, Szczepan J.
    Bębenek, Sławomir
    Powiązania:
    https://bibliotekanauki.pl/articles/191579.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    East European Craton
    EEC
    hydrocarbon accumulations
    Opis:
    This collection of eight papers is a follow-up to the series of articles that appeared in Issue 2 of ASGP Volume 89 (see also Golonka and Bębenek, 2017). [...]
    Źródło:
    Annales Societatis Geologorum Poloniae; 2019, 89, 4; 343- 346
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Graptolite biostratigraphy and dating of the Ordovician–Silurian shale succession of the SW slope of the East European Cratond
    Autorzy:
    Podhalańska, Teresa
    Powiązania:
    https://bibliotekanauki.pl/articles/191870.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    biostratigraphy
    Ordovician
    Silurian
    graptolite
    East European Craton
    Opis:
    This paper deals with the graptolite biostratigraphy and age determination of the Ordovician and Silurian lithological successions of the Baltic, Podlasie and Lublin basins that existed during the early Palaeozoic on the SW slope of the East European Craton. The biostratigraphic research described was conducted on core material coming from old boreholes and cores from several new wells. Graptolite zones were identified and the chronostratigraphic succession was constrained, with the depths to the stratigraphic units, especially those considered prospective for petroleum, being determined in the individual borehole sections. Old local stratigraphic schemes of the Silurian used for many years in the Polish geological literature are correlated with the standard schemes. The most complete succession of graptolite zones, both in the Ordovician and the Silurian, is observed in the Baltic region. The number of stratigraphic gaps increases towards the east and southeast of the regions. The stratigraphic range of the Sasino Shale Formation decreases in this direction; in the Podlasie and Lublin regions, it comprises only the Katian Stage. The stratigraphic range of the Jantar Formation in the western part of the area spans not only the Rhuddanian but also part or the whole of the Aeronian. In the Podlasie and especially the Lublin regions, sedimentation of the Jantar Formation began in the latest Rhuddanian–Aeronian. A large stratigraphic gap, spanning part or the whole of the Llandovery and increasing eastwards, was documented in the Podlasie-Lublin region. The biostratigraphic research allowed a more precise constraint on the temporal and spatial extent of erosion of Pridoli deposits and the beginning of coarse-grained, siliciclastic sedimentation (Kociewie Formation) in the Baltic Basin.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2019, 89, 4; 429-452
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geological framework of the Volhyn copper fields with a review of the Volhyn Flood Basalt Province (western margin of the East-European Craton)
    Autorzy:
    Emetz, A.
    Piestrzyński, A.
    Zagnitko, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/191595.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    East-European Craton
    Volhyn
    Vendian
    Tornquist rifting
    flood basalts
    Opis:
    Geological structure of the Volhyn Flood Basalt Province has been described. Hydrothermally altered and partly eroded Vendian lava flows and intraflow pyroclastics occur upon an area of about 350,000 km2 in Belarus, Poland, the Ukraine, and Moldova. They host important native Cu mineralization. The Vendian volcanism developed during four volcanic phases, producing lava and pyroclastics within the Tornquist rift system along the Teisseyre-Tornquist margin. During the last two phases, the Vendian rift was tectonically parted with crust melting. The major volcanic activity occurred in the part superimposed on the deepest part of the older Late Riphean mid-Baltica rift system, which developed across the Tornquist rift. The rifting finished with opening of the Tornquist Ocean. Actually, the Palaeozoic, Mesozoic, and (or) Cainozoic beds cover the trappean volcanic plateau. The Ratne and Rafalovka-Berestovets copper fields are situated in the central part of the Lukow-Ratne swell and along western border of the Ukrainian Shield, respectively. The ore-bearing basalts were partly eroded since the Devonian until the Late Cretaceous.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2004, 74, No 3; 257-265
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uwagi o wpływie struktury przedpola na formowanie się frontu nasunięć płaszczowinowych
    Some remarks on the influence of the foreland structure on the formation of a frontal nappe thrust
    Autorzy:
    Stupka, O.
    Mizerski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074542.pdf
    Data publikacji:
    2007
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    geotektoniczny
    orogen
    zapadlisko brzegowe
    jednostki kratoniczne
    geotectonics
    marginal foredeep
    craton
    Opis:
    In this paper we describe relations between geological structure, shape and relief of the crystalline basement of the Precambrian cratons, and between rigid elements in Variscan orogens and the width of the younger fold belts in their foreland. The relations can be seen between the Baltic shield and Alpine belts. In places, where the fold belt is thrust over uplifted part of the craton's fundament, the fold belt and its marginal foredeep are tight and the fold belt is very high. In places, where the fold belt is thrust over deep part of the fundament, the fold belt and its marginal foredeep are broad. Similar relations can be seen between the East European craton and Variscan fold belts.
    Źródło:
    Przegląd Geologiczny; 2007, 55, 5; 430-434
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The stratigraphy of Zechstein strata in the East European Craton of Poland : an overview
    Autorzy:
    Peryt, Tadeusz Marek
    Skowroński, Leszek
    Powiązania:
    https://bibliotekanauki.pl/articles/2060632.pdf
    Data publikacji:
    2021
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Zechstein
    stratigraphy
    palaeogeography
    East European Craton
    Main Dolomite
    Platy Dolomite
    Polska
    Opis:
    The sedimentary and stratigraphic patterns established for Zechstein of the western part of the Peribaltic Syneclise (and in particular the eastern Łeba Elevation) were applied to other parts of the East European Craton (EEC) in Poland: the eastern Peribaltic Syneclise and the Podlasie region. A very large number of mostly fully-cored borehole sections in the Puck Bay region certainly predestines the eastern Łeba Elevation area to use it as a model. The most part of the EEC, except of its part adjacent to the Teisseyre-Tornquist Zone, during the Zechstein deposition represents the marginal parts of the basin. The fauna occurring in the Zechstein carbonate deposits of the EEC makes it possible to distinguish between the Zechstein Limestone and the younger carbonate strata, but certainly not between the Main Dolomite and the Platy Dolomite and hence the facies models for the Zechstein that have been previously developed in the western part of the Peribaltic Syneclise augmented by sequence stratigraphic approach seem to be the best tool to apply in other peripheral areas in the EEC area. The Zechstein sequence in the western part of the Peribaltic Syneclise consists, in general terms, of three parts: (1) carbonate platform of the Zechstein Limestone (occurring only in the north-westernmost corner of the study area and passing into basin facies dominant in the most part of the area); (2) the PZ1 evaporite platform system composed of sulphate platforms and adjacent basin system and constituting the major part of the Zechstein sequence; and (3) the Upper Anhydrite-PZ3 cover. There is a consensus, as far as the western part of the Peribaltic Syneclise is concerned, that the Platy Dolomite platform is wider than the Main Dolomite platform. In the easternmost part of the Peribaltic Syneclise, the stratigraphical interpretations are diverse. We have included the anhydrite overlying the Zechstein Limestone into the Upper Anhydrite, and concluded that the overlying interbedded mudstone and anhydrite also belong to the Upper Anhydrite. When above the Upper Anhydrite one carbonate unit occurs, it is assigned either to the Main Dolomite and Platy Dolomite, or to the Platy Dolomite. The same conclusion is proposed for the marginal parts of the Podlasie Bay. The deposition of Zechstein Limestone resulted in the origin of carbonate platforms along the basin margins which changed an inherited topographic setting. The Lower Anhydrite deposits are lowstand systems tracts (LST) deposits, lacking in more marginal parts of the western and eastern Peribaltic Syneclise and in the major part of the Podlasie Bay. The accommodation space existed and/or created during the Lower Anhydrite and the Oldest Halite deposition in the Baltic and Podlasie bays was filled and at the onset of the Upper Anhydrite deposition, a roughly planar surface existed except in the area ad jacent to the main Polish basin. The Upper Anhydrite deposits are transgressive systems tracts deposits and then highstand systems tracts deposits and they encroached the Zechstein Limestone platforms. The Upper Anhydrite deposition was terminated by sea level fall, and the Upper Anhydrite deposits in the marginal areas became subject to karstification. The Main Dolomite transgression took place in several phases but its maximum limit did not reach the Upper Anhydrite limit. The deposition of the PZ2 chlorides (LST deposits) resulted in the filling of the accommodation space that was inherited after the deposition of the Main Dolomite and the Basal Anhydrite. Subsequently, the area became exposed, and marine deposits (Grey Pelite and Platy Dolomite) related to the last major transgression during the life of the Zechstein basin that resulted in a flooding of the exposed surface of older Zechstein deposits, including the area that was emergent during deposition of the PZ2 cycle. Microbial carbonates, being stromatolites and thrombolites, are a common feature of all Zechstein carbonate units but in particular this is the case of the Platy Dolomite. There are no direct premises allowing for convincing settlement doubts regarding the stratigraphical position of the upper carbonate unit in many cases, but several lines of evidence suggest that, as in the entire Zechstein basin, the Main Dolomite considerably shifted basinward, and the Platy Dolomite - landward, although it is difficult to ascertain whether the original Platy Dolomite extent was similar to or greater than the limit of the Zechstein Limestone as elsewhere in the Zechstein Basin.
    Źródło:
    Geological Quarterly; 2021, 65, 4; 21--27
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prospective zones of unconventional hydrocarbon reservoirs in the Cambrian, Ordovician and Silurian shale formations of the East European Craton marginal zone in Poland
    Autorzy:
    Podhalańska, Teresa
    Feldman-Olszewska, Anna
    Roszkowska-Remin, Joanna
    Janas, Marcin
    Pachytel, Radomir
    Głuszyński, Andrzej
    Roman, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/2059664.pdf
    Data publikacji:
    2020
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    unconventional hydrocarbon systems
    prospective zones
    Lower Paleozoic
    East European Craton
    Polska
    Opis:
    The paper presents the latest state of knowledge on the vertical and lateral ranges and characteristics of prospective zones (PZ) within the Lower Paleozoic unconventional hydrocarbon systems in the Baltic-Podlasie-Lublin Basin (Poland). The PZ were identified within the prospective formations based on rigorously determined criteria with the application of stratigraphic, sedimentological, mineralogical, petrographic, geochemical, petrophysical, and geomechanical studies, and interpretations of borehole logs. Archival geological data and information acquired from boreholes drilled recently in concession areas have also been applied in the interpretations. Following these criteria, four prospective zones have been distinguished. The deposits encompass partly or almost completely the Piaśnica, Sasino, and Jantar formations and the lower part of the Pelplin Formation. The characteristic feature of the Lower Paleozoic deposits at the East European Craton (EEC) margin in Poland is the diachronous appearance of the Sasino and Jantar black shale formations from west to east. The Baltic area is most prospective for the occurrence of unconventional hydrocarbon reservoirs in shale formations, specifically the Łeba Elevation, where all 4 prospective zones have been distinguished. The occurrence of liquid and gaseous hydrocarbons is expected in all zones. Due to the very high TOC content and geochemical characteristics, the Piaśnica Formation within PZ1 is the main petroleum source rock in the Polish part of the Baltic Basin. PZ2 (partly corresponding to the Sasino Formation) present in a large part of the Baltic Basin, is the next important prospective unit, despite not being uniform. PZ3 within the Jantar Formation was distinguished only on a limited area of the Łeba Elevation. Due to the low content of organic matter, the Lublin area is characterized by the lowest hydrocarbon potential. However, low values of that parameter are compensated by a greater thickness and lateral range of PZ4, partly corresponding to the Pelplin Formation. Comparison with other areas within the Lower Paleozoic Baltic Basin reveals the occurrence of shale deposits that may constitute a potential source of hydrocarbons, and that demonstrate diachronism. Towards the east and south-east, ever younger deposits possess the potential for hydrocarbon accumulations. In Poland, in the western part of EEC, these are: the Furongian and the Lower Tremadocian Piaśnica Formation, the Sandbian and Katian Sasino Formation and the Lower/Middle Llandovery (Rhuddanian and Aeronian) Jantar Formation. In the central part of the Baltic Basin (Lithuania), these are the Upper Ordovician and Aeronian shale successions. In the southeastern part of the basin (Ukraine), the Ludlow strata are considered to be the most promising in terms of the potential unconventional hydrocarbons accumulations.
    Źródło:
    Geological Quarterly; 2020, 64, 2; 342--376
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The stratigraphy of Zechstein strata in the East European Craton of Poland : an overview
    Autorzy:
    Peryt, Tadeusz Marek
    Skowroński, Leszek
    Powiązania:
    https://bibliotekanauki.pl/articles/2055871.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    Zechstein
    stratigraphy
    palaeogeography
    East European Craton
    Main Dolomite
    Platy Dolomite
    Polska
    Opis:
    The sedimentary and stratigraphic patterns established for Zechstein of the western part of the Peribaltic Syneclise (and in particular the eastern Łeba Elevation) were applied to other parts of the East European Craton (EEC) in Poland: the eastern Baltic Syneclise and the Podlasie region. A very large number of mostly fully-cored borehole sections in the Puck Bay region certainly predestines the eastern Łeba Elevation area to use it as a model. The most part of the EEC, except of its part adjacent to the Teisseyre-Tornquist Zone, during the Zechstein deposition represents the marginal parts of the basin. The fauna occurring in the Zechstein carbonate deposits of the EEC makes it possible to distinguish between the Zechstein Limestone and the younger carbonate strata, but certainly not between the Main Dolomite and the Platy Dolomite and hence the facies models for the Zechstein that have been previously developed in the western part of the Peribaltic Syneclise augmented by sequence stratigraphic approach seem to be the best tool to apply in other peripheral areas in the EEC area. The Zechstein sequence in the western part of the Peribaltic Syneclise consists, in general terms, of three parts: (1) carbonate platform of the Zechstein Limestone (occurring only in the north-westernmost corner of the study area and passing into basin facies dominant in the most part of the area); (2) the PZ1 evaporite platform system composed of sulphate platforms and adjacent basin system and constituting the major part of the Zechstein sequence; and (3) the Upper Anhydrite-PZ3 cover. There is a consensus, as far as the western part of the Peribaltic Syneclise is concerned, that the Platy Dolomite platform is wider than the Main Dolomite platform. In the easternmost part of the Peribaltic Syneclise, the stratigraphical interpretations are diverse. We have included the anhydrite overlying the Zechstein Limestone into the Upper Anhydrite, and concluded that the overlying interbedded mudstone and anhydrite also belong to the Upper Anhydrite. When above the Upper Anhydrite one carbonate unit occurs, it is assigned either to the Main Dolomite and Platy Dolomite, or to the Platy Dolomite. The same conclusion is proposed for the marginal parts of the Podlasie Bay. The deposition of Zechstein Limestone resulted in the origin of carbonate platforms along the basin margins which changed an inherited topographic setting. The Lower Anhydrite deposits are lowstand systems tracts (LST) deposits, lacking in more marginal parts of the western and eastern Peribaltic Syneclise and in the major part of the Podlasie Bay. The accommodation space existed and/or created during the Lower Anhydrite and the Oldest Halite deposition in the Baltic and Podlasie bays was filled and at the onset of the Upper Anhydrite deposition, a roughly planar surface existed except in the area adjacent to the main Polish basin. The Upper Anhydrite deposits are transgressive systems tracts deposits and then highstand systems tracts deposits and they encroached the Zechstein Limestone platforms. The Upper Anhydrite deposition was terminated by sea level fall, and the Upper Anhydrite deposits in the marginal areas became subject to karstification. The Main Dolomite transgression took place in several phases but its maximum limit did not reach the Upper Anhydrite limit. The deposition of the PZ2 chlorides (LST deposits) resulted in the filling of the accommodation space that was inherited after the deposition of the Main Dolomite and the Basal Anhydrite. Subsequently, the area became exposed, and marine deposits (Grey Pelite and Platy Dolomite) related to the last major transgression during the life of the Zechstein basin that resulted in a flooding of the exposed surface of older Zechstein deposits, including the area that was emergent during deposition of the PZ2 cycle. Microbial carbonates, being stromatolites and thrombolites, are a common feature of all Zechstein carbonate units but in particular this is the case of the Platy Dolomite. There are no direct premises allowing for convincing settlement doubts regarding the stratigraphical position of the upper carbonate unit in many cases, but several lines of evidence suggest that, as in the entire Zechstein basin, the Main Dolomite considerably shifted basinward, and the Platy Dolomite – landward, although it is difficult to ascertain whether the original Platy Dolomite extent was similar to or greater than the limit of the Zechstein Limestone as elsewhere in the Zechstein Basin.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2021, 91, 4
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Crustal-scale complexity of the contact zone between the Palaeozoic Platform and the East European Craton in the NWPoland
    Autorzy:
    Królikowski, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2058936.pdf
    Data publikacji:
    2006
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    edge of the craton
    seismic cross-sections
    magnetic anomalies
    geothermal field
    Opis:
    Hypotheses on the trace and nature of the SW margin of the East European Craton (EEC) are reviewed. As new geophysical data was acquired, the location of the EEC margin was repeatedly revised.Magnetic anomalies associated with the SWpart of the EEC and their relationship with the contact zone between the EEC and the Palaeozoic Platform are described. Based on an analysis of magnetic anomalies, seismic cross-sections, the LT-7, P1, P2 and P4 wide-angle reflection and refraction profiles, and the results of recent geothermal modeling, the geometry of the contact zone between the EEC and the Palaeozoic Platform in NW Poland has been redefined. Three important boundaries are distinguished, namely the Teisseyre-Tornquist Line marking the SW limit of the EEC at upper and middle crustal levels, the SW margin of the West Pomeranian Magnetic Anomaly that delimits the NE extension of the reversely magnetised lower crust of the Palaeozoic Platform, and the SWtermination of the high velocity lower crust of the EEC. These boundaries and their characteristics reflect the tectonic complexity of the SW margin of the EEC in its Polish sector.
    Źródło:
    Geological Quarterly; 2006, 50, 1; 33-42
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Tajno ultramafic-alkaline-carbonatite massif, NE Poland : a review. Geophysics, petrology, geochronology and isotopic signature
    Autorzy:
    Wiszniewska, Janina
    Petecki, Zdzisław
    Krzemińska, Ewa
    Grabarczyk, Anna
    Demaiffe, Daniel
    Powiązania:
    https://bibliotekanauki.pl/articles/2059668.pdf
    Data publikacji:
    2020
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Tajno intrusion
    East European Craton
    ultramafic complex
    alkaline complex
    carbonatitic complex
    Carboniferous
    Opis:
    This paper reviews all available geological data on the Tajno Massif that intruded the Paleoproterozoic crystalline basement of NE Poland (Mazowsze Domain) north of the Teisseyre-Tornquist Zone, on the East European Craton. This massif (and the nearby Ełk and Pisz intrusions) occurs beneath a thick Mesozoic-Cenozoic sedimentary cover. It has first been recognized by geophysical (magnetic and gravity) investigations, then by drilling (12 boreholes down to 1800 m). The main rock types identified (clinopyroxenites, syenites, carbonatites cut by later multiphase volcanic/subvolcanic dykes) allow characterizing this massif as a differentiated ultramafic, alkaline and carbonatite complex, quite comparable to the numerous massifs of the Late Devonian Kola Province of NW Russia. Recent geochronological data (U-Pb on zircon from an albitite and Re-Os on pyrrhotite from a carbonatite) indicate that the massif was emplaced at ~348 Ma (Early Carboniferous). All the rocks, but more specifically the carbonatites, are enriched in Sr, Ba and LREE, like many carbonatites worldwide, but depleted in high field strength elements (Ti, Nb, Ta, Zr). The initial87Sr/86Sr (0.70370 to 0.70380) and ɛNd(t) (+3.3 to +0.7) isotopic compositions of carbonatites plot in the depleted quadrant of the Nd-Sr diagram, close to the “FOcal ZOne” deep mantle domain. The Pb isotopic data (206Pb/204Pb <18.50) do not point to an HIMU (high U/Pb) source. The ranges of C and O stable isotopic compositions of the carbonatites are quite large; some data plot in (or close to) the “Primary Igneous Carbonatite” box, while others extend to much higher, typically crustal ẟ18O and ẟ13C values.
    Źródło:
    Geological Quarterly; 2020, 64, 2; 402--421
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Łysogóry Unit (Central Poland) versus East European Craton - application of sedimentological data from Cambrian siliciclastic association
    Autorzy:
    Jaworowski, K.
    Sikorska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2058939.pdf
    Data publikacji:
    2006
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Central Poland
    East European Craton
    Cambrian
    passive margin
    siliciclastic association
    Caledonian deformations
    Opis:
    TheMiddle and Late Cambrian deposits of the Łysogóry Unit and the Early and Middle Cambrian deposits of the East European Craton form part of an extensive siliciclastic sedimentary prism that was deposited on a tide and storm influenced continental shelf. In SE Poland, the proximal part of the Cambrian passive margin sedimentary prism of the East European Craton (Baltica) corresponds to the Łysogóry Unit whereas the NE part of the Małopolska Massif is thought to represent its distal part. Based on sedimentological criteria, the Cambrian siliciclastic association appears to indicate that the Łysogóry Unit and Małopolska Massif were not detached from Baltica during the breakup of the Precambrian Rodinia supercontinent, thus casting serious doubt on the exotic terrane nature of the Holy Cross Mts. Neither the Łysogóry Unit nor the Małopolska Massif are terranes in so far as they were not subject to lateral translations along the margin of Baltica. The Cambrian phases of Caledonian deformations in the Holy Cross Mts. may be explained in terms of rotational block movements controlled by large-scale listric normal faults dipping off the craton.
    Źródło:
    Geological Quarterly; 2006, 50, 1; 77-88
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lithospheric structure of the western part of the East European Craton investigated by deep seismic profiles
    Autorzy:
    Grad, M.
    Janik, T.
    Guterch, A.
    Środa, P.
    Czuba, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/2058944.pdf
    Data publikacji:
    2006
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    East European Craton
    crustal structure
    mantle reflectors
    deep seismic refraction
    seismic ray tracing
    Opis:
    The Palaeoproterozoic collision of Archaean Fennoscandia, Volgo-Uralia and Sarmatia, viewed as a large composite of terranes, each with an independent history during Archaean and Early Proterozoic time, formed the East European Craton. This paper summarizes the results of deep seismic sounding investigations of the lithospheric structure of the southwestern part of the East European Craton. On the basis of the modern EUROBRIDGE’94–97, POLONAISE’97 and CELEBRATION 2000 projects, as well as of data from the Coast Profile and from reinterpreted profiles VIII and XXIV, the main tectonic units of Fennoscandia and Sarmatia are characterized. The crustal thickness in the whole area investigated is relatively uniform, being between 40 and 50 km (maximum about 55 km). For Fennoscandia, the crystalline crust of the craton can be generally divided into three parts, while in Sarmatia the transition between the middle and lower crust is smooth. For both areas, relatively high P-wave velocities ( 7.0 km/s) were observed in the lower crust. Relatively high seismic velocities of the sub-Moho mantle (~8.2–8.3 km/s) were observed along most of the profiles. The uppermost mantle reflectors often occur ca. 10 to 15 km below the Moho. Finally, we show the variability in physical properties for the major geological domains of Fennoscandia and Sarmatia, which were crossed by the network of our profiles.
    Źródło:
    Geological Quarterly; 2006, 50, 1; 9-22
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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:
    First find of biogenic activity in the Palaeoproterozoic of the Singhbhum craton (E India)
    Autorzy:
    Loon, A. J.
    Mazumder, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/94235.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    stromatolites
    Palaeoproterozoic
    Chaibasa Formation
    Singhbhum craton
    siliciclastics
    shelf
    stromatolity
    Paleoproterozoik
    formacja Chaibasa
    krzemionka
    półka
    Opis:
    The Palaeoproterozoic succession of the Singhbhum craton in E. India was hitherto considered as almost entirely siliciclastic and partly volcanogenic. Here we describe, from the fine-grained, tidally influenced shale facies of the Palaeoproterozoic Chaibasa Formation (2.1-1.6 Ga), a fine, originally more or less horizontal, wavy to strongly undulating (later locally deformed) lamination. Investigation of these laminae shows that they must be ascribed to the accumulation of fine particles on microbial mats that covered a sandy substrate. The structures must therefore be considered as stromatolites, features that are accepted as proof of the presence of micro-organisms, in this case most probably cyanobacteria. The interpretation of biogenic activity is supported by microscopic analysis. It is the first description of traces left by biogenic activity that took place in the Palaeoproterozoic of the Singhbhum craton.
    Źródło:
    Geologos; 2013, 19, 3; 185-192
    1426-8981
    2080-6574
    Pojawia się w:
    Geologos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A hitherto unknown river type from the Archaean at Bhurkuli (Jharkhand, E India)
    Autorzy:
    van Loon, A. J.
    De, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/94253.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    conglomerates
    fluvial system
    pebble characteristics
    Precambrian
    Singhbhum Craton
    zlepieńce
    system fluwialny
    charakterystyka żwirkowa
    prekambr
    Opis:
    The Archaean granitoid pluton of the Singhbhum craton in E India is overlain by Archaean to Palaeoproterozoic metasediments. These sediments are still poorly known and their stratigraphy is under debate. Several scattered, most probably Meso- to Neoarchaean, conglomerates are present in the state of Jharkhand that differ so much in characteristics that they are probably not related to each other. The sedimentology of a series of conglomerate patches and layers near Bhurkuli has been investigated, including the characteristics of the clasts. It is deduced on the basis of these characteristics and the sedimentological context that the Bhurkuli conglomerates represent the channel facies of a river system that differed from the types of fluvial systems that exist nowadays.
    Źródło:
    Geologos; 2017, 23, 2; 109-122
    1426-8981
    2080-6574
    Pojawia się w:
    Geologos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seismic structure of the lithosphere between the East European Craton and the Carpathians from the net of CELEBRATION 2000 profiles in SE Poland
    Autorzy:
    Janik, T.
    Grad, M.
    Guterch, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059121.pdf
    Data publikacji:
    2009
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    lithospheric structure
    East European Craton
    Trans-European Suture Zone
    Carpathians
    deep seismic soundings
    Moho map
    Opis:
    During the CELEBRATION 2000 experiment, the area of SE Poland was investigated by relatively dense system of deep seismic sounding profiles. Apart from five main profiles CEL01–CEL05, eight additional profiles were executed between the edge of the East European Craton and the Carphatians: CEL06, CEL11, CEL12, CEL13, CEL14, CEL21, CEL22 and CEL23. In this paper, we present results of modelling of refracted and reflected waves with use of a 2D ray tracing technique. All 13 profiles were jointly inter reted with verification of models at crossing points, and a quasi 3D model of the crust and upper mantle was developed. The obtained P-wave velocity models of the crust and uppermost mantle are very complex and show a differentiation of the seismic structure for tectonic units in SE Poland. The depth of the Moho discontinuity in the investigated area changes from about 30 to about 52 km. As a summary of all seismic models, the Moho depth map for SE Poland is presented, as well as a map of the extent of the most characteristic crustal elements in the area: a high velocity body in the upper crust, division into two- and three-layer consolidated crust, ranges of very deep layers with low velocities in the upper and middle crust, aproximate ranges of detected velocity anisotropy in the upper/middle crust, ranges of the high-velocity lower crust and high-velocity uppermost mantle. Both maps are com pared with the main struc tural el e ments from tec tonic map. This could form the base for a new geotectonic in ter pre ta tion of this com plex area.
    Źródło:
    Geological Quarterly; 2009, 53, 1; 141-158
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Remarks on the correlation of tectonic blocks in the foreland of the East European Craton in Poland with those in Ukraine
    Autorzy:
    Mizerski, W.
    Stupka, O.
    Olczak-Dusseldorp, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060196.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    marginal part of the East-European Craton
    Holy Cross Mountains
    Western Ukraine
    tectonics
    geotectonic evolution
    Opis:
    According to common interpretations, two narrow crustal blocks are supposed to occur on the south-western edge or in the foreland of the East European Craton. The first one, bounded on the NE by the Nowe Miasto-Radom-Rava Ruska fault system, and on the SW by the Holy Cross Fault, stretches NW-SE from the Łysogóry-Radom region in Poland to the Rava Ruska Zone in Ukraine. The second one, bounded on the NE by the Holy Cross Fault, and from the SW by the Chmielnik-Ryszkowa Wola–Krakovets fault zone, is thought to tie together the Kielce area of the Holy Cross region with the Kokhanivka Zone in Ukraine. Both these blocks may have formed in connection with the development of regional listric faults during Precambrian asymmetric stretching of the Baltica continent, and were part of the marginal zone of the East European Craton. The sedimentary development of the blocks can be comparable to the Blake Plateau off the Florida coast. Both the Paleozoic sections and tectonic deformation styles in the Polish and Ukrainian segments of these blocks are different. Paleozoic tectonic structures of the Holy Cross region have a southern vergence, while the Paleozoic rocks of the Rava Ruska and Kokhanivka regions in western Ukraine are thrust towards the NE. This demonstrates the different tectonic evolution of the Paleozoic succession between the Holy Cross region and western Ukraine, and makes questionable the genetic relationships between these two regions. In this situation, the tectonic blocks of the foreland should be considered heterogeneous. Structural-facies evidence suggests that the SW boundary of the East European Craton should be moved at least to the Chmielnik–Ryszkowa Wola-Krakovets fault.
    Źródło:
    Geological Quarterly; 2016, 60, 1; 124--132
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Graptolites – stratigraphic tool in the exploration of zones prospective for the occurrence of unconventional hydrocarbon deposits
    Autorzy:
    Podhalańska, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075025.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    graptolites
    black shale
    stratigraphy
    Ordovician
    Silurian
    East European Craton
    graptolity
    czarne łupki
    stratygrafia
    ordowik
    Kraton wschodnioeuropejski
    Opis:
    In connection with the exploration of zones prospective for the occurrence of unconventional hydrocarbon deposits, numerous studies of source rocks have been conducted in Poland. Stratigraphic examinations are among the basic elements. The main group of fossils occurring in shale successions, being a potential source of hydrocarbons, is graptolites. This paper describes the assemblages of graptolites from Ordovician and Silurian deposits and shows their importance for the stratigraphy of shale complexes. Due to their abundance and rapid evolution, graptolites are an excellent tool for biostratigraphic dating, regional correlations and biozonation of rock successions in terms of the high-resolution sequence stratigraphy. The paper presents the significance of taphonomic research of graptolites to identify zones of increased accumulation of hydrocarbons in rocks. It has been found that graptolites are an equally important instrument, in addition to elevated TOC values or increased gamma ray radiation on well logs, that allows identification of potential source rocks for hydrocarbons, including shale gas.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 11-1; 621--629
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geological section through the lower Paleozoic strata of the Polish part of the Baltic region
    Autorzy:
    Pokorski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059065.pdf
    Data publikacji:
    2010
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Lower Paleozoic
    Baltic Region
    East European Craton
    West European Platform
    faults and fault zones
    structural elements
    Opis:
    The present-day structural pattern of the Baltic Depression developed due to superimposition of three main deformation phases: syn-Caledonian (after the Silurian), syn-Variscan (at the end of Carboniferous and beginning of Permian) and syn-Alpine (latest Mesozoic or earliest Cenozoic). The major restructuring of the area occurred as a result of syn-Variscan deformation that took place in latest Carboniferous and earliest Permian times. Most of the faults developed or became reactivated probably at that time. Syn-Alpine deformation manifested itself relatively weakly, mainly by reactivation of some pre-existing faults.
    Źródło:
    Geological Quarterly; 2010, 54, 2; 123-130
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zachodnie przedpole kratonu wschodnioeuropejskiego : paleozoiczne terrany czy marginalna część kontynentu Bałtyki?
    Western foreland of the East European Craton : Paleozoic terranes or marginal part of the Baltica continent?
    Autorzy:
    Mizerski, W.
    Olczak-Dusseldorp, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075684.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Awalonia
    Bałtyka
    kompleks akrecyjny
    deformacje nieortogenne
    kraton wschodnioeuropejski
    Baltica
    accretional complex
    non-orogenic deformations
    East European Craton
    Opis:
    Provenance of the tectonic blocks located in the recent, western foreland of the East European Craton in Poland is subject to debate. These blocks are regarded either as Avalonian blocks adjacent to the East European Craton along the T-Tzone or accretional wedge (or its fragments) formed during the collision of Baltica and Avalonia. This implies that the western edge of the Baltica Continent was active, with a subduction zone developed along which Avalonian blocks and Baltica should be smashing together Baltica. However, no objective geological facts indicate the occurrence of a subduction zone along the present-day SW edge of the East European Craton. On the contrary, there are many evidences indicating the sedimentation taking place in a continental passive margin during the Palaeozoic and there is no proof that the older Palaeozoic rocks are thrust over the Baltic margin. Consequently, tectonic deformation in Palaeozoic rocks, recorded in the present-dayforeland of the East European Craton, are related to the mobility of the craton margin and should be regarded as platform-type deformation.
    Źródło:
    Przegląd Geologiczny; 2017, 65, 12; 1521--1528
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Does the East European branch of the Caledonides exist?
    Czy istnieje wschodnioeuropejska gałąź kaledonidów?
    Autorzy:
    Mizerski, W.
    Stupka, O.
    Olczak-Dusseldorp, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2062820.pdf
    Data publikacji:
    2012
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Caledonides
    geotectonics
    foreland of the East European craton
    Middle Europa
    kaledonidy
    geotektonika
    przedpole kratonu wschodnioeuropejskiego
    Europa Środkowa
    Opis:
    Since the beginning of the introduction of the concept of the East European branch of the Caledonides by Limanowski (1922), there has been much discussion on the trend of this branch towards the southwest of the East European craton. The extreme interpretations were given by Stille (1950), and later by Dadlez (1994). According to those authors, the East European branch of the Caledonides could trend along the entire course of the south-eastern boundary of the East European craton, from the western Baltic Sea to Ukraine. Analysis of existing geological data, in relation to the current geotectonic theories, puts in doubt the existence of this branch. The proved Caledonian structures, which could be considered as orogenic, are located exclusively in the West Pomeranian segment of the East European craton foreland. The other parts of the foreland should be considered either a lowered marginal edge of the craton or blocks of Avalonian origin.
    Od początku wprowadzenia pojęcia wschodnioeuropejskiej gałęzi kaledonidów przez Limanowskiego (1922) trwa dyskusja dotycząca przebiegu tej gałęzi na południowy zachód od kratonu wschodnioeuropejskiego. W skrajny sposób przedstawiał go Stille (1950), a później Dadlez (1994). Według nich wschodnioeuropejska gałąź kaledonidów przebiegałaby wzdłuż całej południowo-wschodniej granicy kratonu wschodnioeuropejskiego, od zachodniego Bałtyku po Ukrainę. Analiza istniejących danych geologicznych, w nawiązaniu do obowiązujących dzisiaj teorii geotektonicznych, stawia w wątpliwość istnienie tej gałęzi. Udokumentowane struktury kaledońskie, które można by uznać za orogeniczne, znajdują się wyłącznie w zachodniopomorskim segmencie przedpola kratonu wschodnioeuropejskiego. Pozostałe fragmenty tego przedpola trzeba uznać bądź za obniżoną, brzeżną krawędź kratonu, bądź za bloki pochodzenia awalońskiego.
    Źródło:
    Biuletyn Państwowego Instytutu Geologicznego; 2012, 449; 109--117
    0867-6143
    Pojawia się w:
    Biuletyn Państwowego Instytutu Geologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Graptolity : narzędzie stratygraficzne w rozpoznaniu stref perspektywicznych dla występowania niekonwencjonalnych złóż węglowodorów
    Graptolites : stratigraphic tool in the exploration of zones prospective for the occurrence of unconventional hydrocarbon deposits
    Autorzy:
    Podhalańska, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075084.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    graptolites
    black shale
    stratigraphy
    Ordovician
    Silurian
    East European Craton
    graptolity
    ciemne łupki
    stratygrafia
    ordowik
    sylur
    platforma wschodnioeuropejska
    Opis:
    In connection with the exploration of zones prospective for the occurrence of unconventional hydrocarbon deposits, numerous studies of source rocks have been conducted in Poland. Stratigraphic examinations are among the basic elements. The main group of fossils occurring in shale successions, being a potential source of hydrocarbons, is graptolites. This paper describes the assemblages of graptolites from Ordovician and Silurian deposits and shows their importance for the stratigraphy of shale complexes. Due to their abundance and rapid evolution, graptolites are an excellent tool for biostratigraphic dating, regional correlations and biozonation of rock successions in terms of the high-resolution sequence stratigraphy. The paper presents the significance of taphonomic research of graptolites to identify zones of increased accumulation of hydrocarbons in rocks. It has been found that graptolites are an equally important instrument, in addition to elevated TOC values or increased gamma ray radiation on well logs, that allows identification of potential source rocks for hydrocarbons, including shale gas.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 8; 460--467
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Alkaliczna intruzja syenitowa Mławy a perspektywy występowania pierwiastków ziem rzadkich
    The Mława syenite alkaline intrusion – a perspective of rare earth elements occurrence
    Autorzy:
    Krzemińska, E.
    Krzemiński, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2062609.pdf
    Data publikacji:
    2012
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    bastnazyt
    pierwiastki ziem rzadkich (REE)
    intruzje alkaliczne
    kraton wschodnioeuropejski
    bastnäsyt
    rare earth elements (REE)
    alkaline intrusion
    East European Craton
    Opis:
    Obecność kilku alkalicznych i alkaliczno-ultramaficznych ciał w obrębie zakrytego podłoża kratonu wschodnioeuropejskiego na obszarze północno-wschodniej Polski była znana od dawna, na podstawie badań geofizycznych, jako wyraźne anomalie Ełku, Pisza, Tajna i Mławy. Jedynie cztery głębokie otwory wiertnicze na peryferiach anomalii Mławy (Płońsk IG 2A/2, Ciechanów 1, Konopki Wielkie 1 i Gradzanowo 2) odsłoniły syenity i kwarcowe syenity. Metaluminowe, bogate w pierwiastki ziem rzadkich (REE) i Zr syenity Mławy są względnie późnym produktem procesów frakcjonowania magmy. Analizy chemiczne w mikroobszarze potwierdziły obecność pierwotnych fluorowęglanów REE (bastnäsyt, parisyt) i obfitość cyrkonu jako faz bogatych w REE i Zr w syenitach. Istotna koncentracja minerałów nośników REE ma genetyczne i przestrzenne związki ze skałami alkalicznymi, dlatego intruzja Mławy powinna być obiektem dalszych badań.
    A number of alkaline and alkaline-ultramafic bodies have been known within the hidden basement of the East European Craton (EEC) in north-western Poland for a long time. These are the strong anomalies of Ełk, Pisz, Tajno and Mława identified based on a geophysical survey. Syenite and quartz syenites, were drilled by only four deep boreholes on the periphery of the Mława anomaly (Płońsk IG 2A/2, Ciechanów 1, Konopki Wielkie and Gradzanowo 2). The REE- and Zr-rich Mława metaluminous syenites are relatively late-stage products of fractionation processes. Electron microprobe analyses confirm primary-appearing REE-fluorocarbonate (bastnäsite–parisite) and zircon abundance as major host phases to REE and Zr in the syenites. A significant concentration of the REE-bearing minerals shows a genetic and spatial relation to an alkaline rocks, therefore the Mława igneous bodies should be the subject of further investigations.
    Źródło:
    Biuletyn Państwowego Instytutu Geologicznego; 2012, 448 (2); 401--407
    0867-6143
    Pojawia się w:
    Biuletyn Państwowego Instytutu Geologicznego
    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:
    Mapa geologiczna podłoża krystalicznego polskiej części platformy wschodnioeuropejskiej : podsumowanie projektu badawczego
    Geologic map of crystalline basement in the Polish part of the East European Platform : a summary of the study
    Autorzy:
    Krzemiński, L.
    Krzemińska, E.
    Petecki, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075147.pdf
    Data publikacji:
    2014
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    East European Craton
    Precambrian
    Polska
    geologic map
    U-Pb age
    wschodnioeuropejski kraton
    prekambrian
    Polska
    mapa geologiczna
    wiek U-Pb
    Opis:
    A new geologic map of the crystalline basement of NE Poland has been constrained on the basis of the magnetic and gravity imaging, data from seismic profiles of POLONAISE'97 and CELEBRATION'2000, and extensive geochemical, isotopic and U-Pb dating studies of drill core samples. This updated reconstruction of the hidden southwestern margin of the East European Craton revealed of several late Svecofennian orogenic domains with ages in the range 2.0–1.74 Ga, belonging to the Fennoscandia. The age of these Paleoproterozoic domains is becoming regionally younger towards NW. Furthermore, there is two Paleoproterozoic domains, which form integral part of the westernmost youngest rim of the Sarmatia block. During the early Mesoproterozoic between 1.54 and 1.45 Ga intracratonic plutons of the AMCG suite intruded a large area of the Mazury-Warmia, Pomorze and SE Baltic region. Several deep-sourced ultramafic-alkaline bodies of Early Carboniferous age (354–338 Ma) are related to the youngest magmatic event.
    Źródło:
    Przegląd Geologiczny; 2014, 62, 6; 288--289
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Linia Teisseyre’a-Tornquista : ewolucja poglądów na temat krawędzi kratonu wschodnioeuropejskiego
    Teisseyre-Tornquist Line : Evolution of the View on the Edge of the East European Craton
    Autorzy:
    Grad, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/163824.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwa Geofizyczne
    Tematy:
    Wawrzyniec Teisseyre
    Alexander Tornquist
    kraton wschodnioeuropejski
    linia Teisseyre’a-Tornquista
    skorupa krystaliczna
    East European Craton
    Teisseyre-Tornquist Line
    crystalline crust
    Opis:
    Nie ma wątpliwości co do znaczącego wkładu Wawrzyńca Teisseyre’a i Alexandra Tornquista w wyznaczenie przebiegu SW krawędzi kratonu wschodnioeuropejskiego w Europie Centralnej (Teisseyre 1893, 1903; Tornquist 1908, 1910; rys. 1). Teisseyre jako pierwszy udokumentował SW krawędź horstu podolskiego (linia Berdo-Narol), jednak w swoich pracach powoływał się na wcześniejsze prace innych geologów: Wilhelma Blöde (1830, 1845), Aloisego Altha (1874, 1881), Józefa Siemiradzkiego i Emila Dunikowskiego (1891), oraz Eduarda Suessa (1883-1888). Również Tornquist wykorzystywał wyniki swoich poprzedników: Alberta Schücka (1899, 1902), Wilhelma Deecke (1906) i Hansa Preußa (1910). Linia Teisseyre’a-Tornquista (TTL) w jej południowej części biegnie SW skrajem horstu podolskiego wzdłuż linii Berdo-Narol (Teisseyre 1893, 1903), a w części północnej wzdłuż SW krawędzi płyty bałtyckiej, linii Skania-Łysogóry (Tornquist 1908, 1910). Obie linie spotykają się w pobliżu Sandomierza (rys. 3). Nowoczesne badania geofizyczne pokazują, że krawędź kratonu jest ważną strukturą litosfery, dobrze widoczną w tomografii sejsmicznej, na mapie głębokości granicy Moho (rys. 6), w ano¬maliach grawitacyjnych i magnetycznych (rys. 7), jak również w badaniach strumienia ciepła i elektromagnetycznych. Położenie SW krawędzi kratonu określone przez różnych autorów może się różnić nawet o 50 km. Z tego powodu częściej używany jest termin „strefa” niż „linia”. Terminy opisujące SW krawędź kratonu powinny być rozumiane tak jak poniżej. Linia Teisseyre'a-Tornquista (TTL) jest elementem liniowym, ostrą krawędzią cokołu krystalicznego górnej ("granitowej") skorupy ziemskiej kratonu. Strefa Teisseyre'a-Tornquista (TTZ) jest strefą o szerokości do kilkudziesięciu kilo¬metrów związaną z krawędzią kratonu. W pokrywie osadowej może przejawiać się systemem uskoków. Kontynuacją TTZ na północy jest strefa Sorgenfrei-Tornquista (STZ). Strefa szwu transeuropejskiego (TESZ) jest terminem określającym zespół terranów pomiędzy kratonem wschodnioeuropejskim i platformą paleozoiczną; TESZ nie należy mylić z TTL, TTZ i STZ.
    There is no doubt in a significant contribution of Wawrzyniec Teisseyre and Alexander Tornquist in the determination of the SW edge of the East European Craton (Teisseyre 1893, 1903; Tornquist 1908, 1910; fig. 1). Wawrzyniec Teisseyre first documented SW edge of the Podolian horst (Berdo-Narol line), however in his papers he mentioned earlier contributions of other geologists: Wilhelm Blöde (1830, 1845), Alois Alth (1874, 1881), Józef Siemiradzki and Emil Dunikowski (1891), and Eduard Suess (1883-1888). Similar in the case of Alexander Tornquist – earlier contributions of Schück (1899, 1902), Deecke (1906) and Preuß (1910), has benefited him by designating the southwest edge of the crystalline East European Craton (EEC). The Teisseyre-Tornquist Line (TTL) follows in its southern part the SW edge of the Podolian horst, along Berdo-Narol line (Teisseyre, 1893, 1903) and in its northern part along the SW edge of the Baltic plate, Scania-Łysogóry line (Tornquist, 1908, 1910). Both lines meet together closely to Sandomierz (fig. 3). Modern geophysical investigations show that the edge of the craton is a major lithospheric structure, well seen in seismic tomography, Moho depth map (fig. 6), gravity and magnetic (fig. 7) data, as well as in terrestrial heat flow and electromagnetic investigations. The location of SW edge of the EEC determined by different authors is different and the variation in location may reach up to 50 km. It could be reason, that instead of “line” a term “zone” is mostly used. However, the understanding of terms describing SW edge of the EEC should be as bellow. Teisseyre-Tornquist Line (TTL) conceived as a linear feature is border of crystalline, “granitic” upper crust of the EEC. Teisseyre-Tornquist Zone (TTZ) is a few tens of kilometers wide zone related to craton edge. In the sedimentary cover it could manifests itself as a system of faults. To the north it continues as Sorgenfrei-Tornquist Zone (STZ). Trans-European Suture Zone (TESZ) is a term for an assemblage of suspect terranes boarded by the EEC and Paleozoic Platform; TESZ should not be mistaken with TTL, TTZ and STZ.
    Źródło:
    Przegląd Geofizyczny; 2019, 1-2; 167-183
    0033-2135
    Pojawia się w:
    Przegląd Geofizyczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potencjał występowania złóż gazu ziemnego w łupkach dolnego paleozoiku w basenie bałtyckim i lubelsko-podlaskim
    Shale gas potential of the Lower Palaeozoic complex in the Baltic and Lublin-Podlasie basins (Poland)
    Autorzy:
    Poprawa, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074759.pdf
    Data publikacji:
    2010
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    gaz łupkowy
    górny ordowik
    dolny sylur
    zachodni skłon kratonu wschodnioeuropejskiego
    EEC
    shale gas
    Upper Ordovician
    Lower Silurian
    East European Craton
    Opis:
    The Lower Palaeozoic basin at the western slope of the East European Craton (EEC) (Fig. 1) is currently recognized as one of the most interesting areas for shale gas exploration in Europe. The Upper Ordovician and/or Lower Silurian graptolitic shale is here the major potential reservoir formation (Figs. 2, 3) (Poprawa & Kiersnowski, 2008; Poprawa, 2009). Moreover, the Upper Cambrian to Tremadocian Alum shale is an additional target locally in the northern part of the Baltic Basin. These sediments are often rich in organic matter (Klimuszko, 2002; Poprawa & Kiersnowski, 2008; Więcław et al., 2010; Skręt & Fabiańska, 2009), as well as silica. Limited data from two wells in the western part of the Baltic Basin show silica contents up to 60-70% (Fig. 4) (Krzemiński & Poprawa, 2006). The advantage of the Lower Palaeozoic shale from the western slope of EEC is its broad lateral extend (Fig. 1) and relatively quiet tectonic setting. The later is particularly true in the case of the Baltic Basin and Podlasie Depression. Structural development becomes to some extent more complex in the case of the Lublin region, where the Lower Palaeozoic shale appears affected by late Famennian to early Visean block tectonics. Development of the organic rich Lower Palaeozoic shale at the western slope of EEC was controlled by several factors. Very important was here the rate of non-organic detritus deposition (Fig. 5). The other factors included organic productivity of the basin, its subsidence, relative sea level changes, basin bathymetry, geochemical conditions at the sea bottom (especially oxygenation), degree of bioturbation, presence of topographic barriers at the sea bottom, leading to development of isolated anoxic zones, sea currents configuration, and climate changes. Organic matter of the Lower Palaeozoic is characterized by presence of II type of kerogen. Appearance of the organic-rich shale within the Lower Palaeozoic section at the western slope of the EEC is diachronic (Fig. 6). From NW towards east and SE, the intervals richest in organic appear related to systematically younger strata, starting from the Upper Cambrian to Tremadocian, as well as the Upper Llanvirn and Caradoc in the Łeba Elevation (northern onshore Baltic Basin; Fig. 7). In central parts of the Baltic Basin and Podlasie Depression as well as NW part of the Lublin region, the intervals richest in organic matter are found in the Llandovery section, while in the eastern part of the Baltic Basin and SE part of the Lublin region the highest TOC contents are found in the Wenlock. Therefore, depending on location at the western slope of EEC, different formations are recognized as the targets for shale gas exploration. The Upper Cambrian to Tremadocian shale, present only in the northern part of the Baltic Basin, is characterized by very high contents of organic matter, with average value for individual sections usually ranging from 3 to 12% TOC. This shale formation is, however, of very limited thickness, not higher than several meters in the onshore part of the basin (Szymański, 2008; Więcław et al., 2010). In onshore part of the studied area, thickness of the Caradoc shale changes from a few meters up to more than 50 m (Modliński & Szymański, 1997, 2008). Contents of organic matter in these sediments are the highest in the Łeba Elevation zone and the basement of the Płock-Warszawa trough, where average TOC contents in individual well sections range from 1% to nearly 4%. Ashgill rocks are characterized by high TOC contents only in the Łeba Elevation zone, where average TOC values for individual well sections rise up to 4,5% at the most. Llandovery shale has high TOC contents, particularly in its lower part, throughout vast parts of the western slope of EEC. The maximum measured TOC contents in those rocks in Podlasie Depression are nearly 20%. Average TOC values for individual sections of the Llandovery are usually equal 1% do 2,5%, except for the Podlasie Depression, where they may reach as much as 6%. Thickness of the Llandovery shale generally increases from east to west to approximately 70 m at the most. However, in the major part of that area it ranges from 20 to 40 m (Modliński et al., 2006). Thickness of theWenlock sediments is also highly variable laterally, from less than 100 m in SE part of the Lublin region to over 1000 m in western part of the Baltic Basin. Average content of organic matter in individualWenlock sections in central and western parts of the Baltic Basin and the Podlasie Depression usually ranges from 0,5% to 1,3% TOC. In the eastern part of the Baltic Basin and in the Lublin region it is higher, rising to about 1-1,7% TOC. The above mentioned TOC values show the present day content of organic matter, which is lower than the primary one. The difference between the present and primary TOC contents increases along with increasing thermal maturity. It is also highly dependant on genetic type of kerogen. Taking into account the II type of kerogen from the analyzed sediments, it may be stated that in the zones located in the gas window the primary TOC was at least one-half greater than indicated by laboratory measurements. From the shale gas point of view, the basins at the western slope of EEC are characterized by a negative relation between depth at present day burial and thermal maturity (Poprawa & Kiersnowski, 2008). In the zones with burial depth small enough to keep exploration costs at very low level (Fig. 8), thermal maturity of shales is too low for gas generation (Figs. 9, 12a). Maturity increases westwards (Fig. 8) along with depth of burial (Fig. 9). Thus, the potential shale gas accumulations in the western part of the studied area occur at depths too high for commercial gas exploration and exploitation (Fig. 12b). Between of the zone of maturity too low for shale gas development and that where depth of burial is too large for its exploration, there occurs a broad zone of the Lower Palaeozoic shale with increased shale gas exploration potential (Fig. 13) (Poprawa & Kiersnowski, 2008; Poprawa, 2009). In that area, there are shale intervals of relatively high thickness and average TOC exceeding 1-2% TOC (Fig. 7, 10, 12c). Thermal maturity of these rocks appears sufficient for generation of gas (Fig. 9, 10), and results of well tests for deeper-seated conventional reservoirs suggest good quality of dry gas with no nitrogen (Fig. 12c). It should be noted that some gas shows have been recorded in the Lower Palaeozoic shale. Moreover, depth of burial is not too large for commercial shale gas exploration (Fig. 8, 10). Hydrocarbon shows and their composition in the Lower Palaeozoic are strictly related to thermal maturity of the source rock. In the zones of low maturity, these are almost exclusively oil shows documented. Further westwards, in the zone transitional to the gas window area, gas is wet and contains significant contribution of hydrocarbon gases higher than methane.Within the gas window zone, the records are almost exclusively limited to methane shows. Moreover, within the zones of low maturity high nitrogen contents were recorded (Poprawa, 2009). In the zones characterized by thermal maturity in the range from 0,8 to 1,1% Ro and very high TOC contents (over 15% at the most), there is a potential for oil shale exploration. The zones with the highest oil shale potential include eastern Baltic Basin in SW Lithuania and NE part of the Podlasie Depression. Some data necessary for entirely firm estimations of potential shale gas resources of the Lower Palaeozoic complex in Poland are still missing. However, preliminary estimates indicate that these shale gas resources may possibly be classified as gigantic (1,400-3,000 bln m3 of recoverable gas; Fig. 15). For comparison, resources of conventional gas in Poland are equal to 140,5 bln m exp.3, and annual domestic gas consumption is at the level of 14 bln m exp. 3. However, it should be noted that some characteristics of the Lower Palaeozoic complexes indicate increased exploration risk. The average TOC contents are here lower than in classic examples of gas shales, like e.g. Barnett shale. Moreover, in the zone of optimal burial depth (less than 3000–3500 m) thermal maturity is lower than in the case of the Barnett shale core area. An important risk factor is also both a limited amount and limited resources of conventional gas fields in the Lower Palaeozoic complex (Fig. 13). Amount and intensity of gas shows in the Lower Palaeozoic shale are also relatively low, and there is no evidences for presence of overpressure in this complex. In the eastern part of western slope of the EEC, there appears an additional risk factor-arelatively high content of nitrogen in gas.
    Źródło:
    Przegląd Geologiczny; 2010, 58, 3; 226-249
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    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:
    Proterozoiczne podłoże krystaliczne polskiej części Bałtyku w świetle badań strukturalnych
    Astructural study of the Precambrian crystalline basement in the Polish sector of the Baltic Sea
    Autorzy:
    Cymerman, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075274.pdf
    Data publikacji:
    2015
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    skały krystaliczne
    struktury tektoniczne
    odwierty
    Danopolonian orogenezy
    kraton wschodnioeuropejski
    południowy Bałtyk
    crystalline rocks
    tectonic structures
    boreholes
    Danopolonian orogeny
    East European Craton
    southern Baltic Sea
    Opis:
    This paper presents structural data and regional correlations based on drill cores from 8 boreholes (B2-1/80, B3-1/81, B4-1/81, B6-1/82, B6-2/85, B7-1/91, B16-1/85 and B21-1/95) penetrating Precambrian crystalline rocks in the Polish part of the Baltic Sea. The crystalline rocks from the ftom these boreholes were compared to cores from several wells in Eastern Pomerania, and the Kashubian and Warmia regions and above all with the Mesoproterozoic granitoids and metamorphic rocks of Bornholm and Southern Sweden. The pre-existing basement map of the Southern Baltic, showing Palaeoproterozoic or even Archaean granitoid massifs and narrow north-south fold belts is questioned. Instead, in the present interpretation, the studied area of the Polish part of the Southern Baltic Sea is underlain by a fragment of the Mesoproterozoic (ca. 1.47–1.43 Ga) Danopolonian („Hallandian”) orogeny, comprising mainly regional-scale ductile shear zones, which, striking probably in W–E to WNW–ESE directions, are characterized by the predominance of a thrust to transpressional strain regime with tectonic transport top-to-the S or SSW. The structural kinematic and lithological interpretations of these shear zones are based on comparison with the other parts of the East European Craton that are exposed in Bornholm and the Blekinge and Skne regions in Southern Sweden.
    Źródło:
    Przegląd Geologiczny; 2015, 63, 4; 228--238
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structure and development of the Valmiera-Lokno Uplift – a highly elevated basement block with a strongly deformed and eroded platform cover in the East European Craton interior around the Estonian-Latvian-Russian borderland
    Autorzy:
    Tuuling, I.
    Vaher, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060409.pdf
    Data publikacji:
    2018
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    East European Craton interior
    Baltic Homocline-Baltic Syneclise junction
    Liepaja-Riga-Pskov Fault Zone
    Valmiera-Lokno Uplift
    platform cover basement-cored anticlines
    strike-slip movements
    Opis:
    Based on drillings, a number of geological cross-sections, and structure contour and isopach maps were composed to describe/analyse the structure and development of the Valmiera-Lokno Uplift (VLU), a basement block elevated up to 700 m with a heavily deformed and eroded platform cover in the East European Craton interior, along the regional Liepaja-Riga-Pskov Fault Zone (LRPFZ). Five isolated basement-cored anticlines (BCA), the Lokno, Haanja, Mõniste, Valmiera and Smiltene uplifts, arise in the platform cover on the VLU, whereas the downthrown LRPFZ side defines a complex monoclinal fold. The anticlines, straddling or occurring near the monocline, merge with it and thus have highly asymmetrical shapes. Thickness changes of stratigraphic units across the VLU reveal its complex history, reflecting regional tectonic activation pulses that varied noticeably even between neighbouring BCAs. In all, the latest Precambrian-earliest Ordovician initiation epoch of the VLU was followed by modest tectonic activity or a standstill period in the Middle Ordovician-Early Silurian. Intensifying tectonic movements culminated again in the prime of the Caledonian Orogeny in latest Silurian-earliest Devonian time, and faded thereafter towards the end of Early Devonian. The VLU has been reactivated occasionally since the latest Devonian and emerges as a crustal weakness in the recent movement and seismicity patterns. To decipher the origin of the VLU, hitherto factually undiscussed topics, a more detailed study of the LRPFZ, analysis of its fault pattern and kinematics alongside the regional tectonic setting/history is needed. A cursory look hints to a substantial Early Paleozoic sinistral strike-slip along the LRPFZ, allowing interpreting the VLU as a possible restraining bend structure.
    Źródło:
    Geological Quarterly; 2018, 62, 3; 579--596
    1641-7291
    Pojawia się w:
    Geological Quarterly
    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:
    The evolution of late Ediacaran riverine-estuarine system in the Lublin-Podlasie slope of the East European Craton, southeastern Poland
    Autorzy:
    Pacześna, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1182491.pdf
    Data publikacji:
    2010
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    sedymentologia
    stratygrafia sekwencji
    równia aluwialna
    estuarium
    późny ediakar
    wczesny dolny kambr
    kraton wschodnioeuropejski
    południowo-wschodnia Polska
    sedimentology
    sequence stratigraphy
    alluvial plain
    estuary
    Late Ediacaran
    early Lower Cambrian
    East European Craton
    south-eastern Poland
    Opis:
    Na podstawie zdefiniowania asocjacji facjalnych i systemów depozycyjnych oraz przedstawienia ram wydzieleń wysokorozdzielczej stratygrafii sekwencji sformułowano model rozwoju i destrukcji późnoediakarskiego systemu fluwialno-estuariowego, rozprzestrzenionego w obniżeniu podlaskim i lubelskim skłonie kratonu wschodnioeuropejskiego. Wyróżniono dwie grupy systemów depozycyjnych - aluwialne i estuariowe oraz system otwartego wybrzeża. System aluwialny był początkowo reprezentowany w północno-wschodnich i zachodnich depocentrach synryftowych przez stożki aluwialne. Dystalne części stożków były obszarami depozycji fluwialnej. Duże, piaskodenne rzeki roztokowe spływały poprzecznie do osi basenu sedymentacyjnego. W końcowych stadiach ewolucji basenu aluwialnego wyrównanie topografii ryftowej i wzrost tempa subsydencji w jego południowo-wschodniej części spowodowały rozwój rzek systemu anastomozującego. Spływały one wzdłuż osi basenu z północy na południe. Zmiana rodzaju przepływu rzek roztokowych z okresowego we wczesnych etapach rozwoju basenu aluwialnego na ciągły w późniejszych stadiach, rozwój równi zalewowych rzek systemu anastomozującego i zmiana koloru osadów akumulowanych przez rzeki świadczą o zmianie klimatu suchego, pustynnego na bardziej wilgotny, umiarkowany. Późnoediakarska sukcesja silikoklastyczna basenu lubelskiego jest zapisem transgresywnego etapu ewolucji estuarium. Jej przebieg odzwierciedla pięć kolejnych parasekwencji budujących transgresywny ciąg systemowy. W najwcześniejszych etapach rozwoju estuarium lubelskie miało charakter mieszany, falowo-pływowy. W fazie maksymalnego rozwoju, w miarę znaczącego wzrostu oddziaływania pływów, było to makropływowe, hypersynchroniczne estuarium o kominowej geometrii. Na przełomie ediakaru i kambru wraz z rozwojem ciągu systemowego wysokiego stanu względnego poziomu morza rozpoczął się regres i stopniowa likwidacja estuarium lubelskiego, które przekształciło się w estuarium o mieszanej energii falowo-pływowej i następnie w otwarte wybrzeże z udziałem falowania.
    Źródło:
    Polish Geological Institute Special Papers; 2010, 27; 1-96
    1507-9791
    Pojawia się w:
    Polish Geological Institute Special Papers
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    O nowych rozwiązaniach tektonicznych w „Atlasie geologicznym Polski”
    On the new tectonic solutions in “Geological Atlas of Poland”
    Autorzy:
    Aleksandrowski, P.
    Mazur, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075682.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Kraton wschodnioeuropejski
    platforma paleozoiczna
    orogen waryscyjski
    strefa Teisseyre-Tornquist
    zapadlisko kaledońskie
    terrany
    TESZ
    architektura crustalna
    dane sejsmiczne
    dane grawitacyjne
    dane magnetyczne
    East European Craton
    Palaeozoic Platform
    Variscan Orogen
    Teisseyre-Tornquist Zone
    Caledonian Foredeep
    terranes
    crustal architecture
    seismic data
    gravity data
    magnetic data
    Opis:
    Authorial comprehensive comments and explanations are given to some of the interpretations applied in the tectonic part of the newly published Geological Atlas of Poland (Nawrocki, Becker, 2017) that considerably change the hitherto generally accepted concepts. It should be, however, admitted that most of those "new’" solutions were already proposed in the past by other workers as hypotheses that could not have been tested in the then state of knowledge on Poland’s deep geology and scientific tools at hand. This has now changed with abundant new data obtained with modern seismic techniques and advanced methods of potential field modelling. Using those data, we justify the reasons for, among others, a significant eastward shifting the front of the Variscan Orogen in Poland andfor the accompanying change in position of the division line between the Precambrian and Palaeozoic platforms. We also show the rationale for accepting a far-reaching southwestward extent of the East European Craton’s crystalline basement below the Palaeozoic Platform and for reinterpretation of the Teisseyre-Tornquist Zone’s nature, together with the question of early Palaeozoic terranes in the TESZ and the situation of the Caledonian foredeep at the SW margin of the East-European Craton.
    Źródło:
    Przegląd Geologiczny; 2017, 65, 12; 1499--1510
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-33 z 33

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