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    Wyświetlanie 1-9 z 9
    Tytuł:
    Geogeniczne anomalie chlorkowe w wodach podziemnych poziomów użytkowych Polski centralnej
    Geogenic chlorides anomalies in groundwater of useful aquifers in Central Poland
    Autorzy:
    Kaczor-Kurzawa, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075621.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    anomalie chlorkowe
    wody podziemne
    poziomy użytkowe
    Polska centralna
    chloride anomalies
    groundwater
    useful aquifers
    Central Poland
    Opis:
    Zones of Cl anomalies in Mesozoic and Cenozoic aquifers, defined as groups of wells with concentration of the chloride ion in groundwater exceeding 60 mg/dm3, were mapped on the basis of 12 000 archival chemical analyses. These zones are predominantly developed in tectonic conditions enabling the inflow of Mesozoic salt waters into useful aquifers: 1) fault zones, 2) hydrogeological windows above salt anticlines and elevated tectonic blocks, and 3) salt diapirs. As a result, significant decline in groundwater quality has been reported from many intakes due to the elevated concentration of chlorides, sodium and the amonium ion.
    Źródło:
    Przegląd Geologiczny; 2017, 65, 11/2; 1282--1289
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utwory pogranicza cyklotemów PZ1 i PZ2 cechsztynu w kłodawskim wysadzie solnym (środkowa Polska)
    Deposits from the transition of Zechstein PZ1 to PZ2 cyclothems in the Kłodawa salt dome (central Poland)
    Autorzy:
    Czapowski, G.
    Tomassi-Morawiec, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075825.pdf
    Data publikacji:
    2018
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ewaporaty
    brom
    cechsztyn
    kłodawski wysad solny
    Polska centralna
    evaporites
    bromine
    Zechstein
    Kłodawa salt dome
    Central Poland
    Opis:
    The possible occurrence of the Oldest Halite (Na1) unit of the Zechstein PZ1 cyclothem in the Kłodawa salt dome was a discussed matter for many years. Profiling and sampling of the evaporite Zechstein succession (a transition of PZ1 to PZ2 cyclothems) visible in a corridor of the "Kłodawa” Salt Mine at the mining level -650 m, located near the NE marginal pillar of the dome, were done in 2011. The studied section includes rock salt, shale, sulphate and carbonate rocks inclined at 60-90o to the NE and represents a normal succession of the PZ1 and PZ2 cyclothems. The normal succession of the top part of the PZ1 cyclothem consists of two lithological units: 1) rock salt complex (extending over a distance of ca. 5.8 m), defined as the Oldest Halite (Na1) lithostratigraphic unit, and 2) anhydrite bed, c.a. 1.3 m thick, distinguished as the Upper Anhydrite (A1g). These deposits are overlain by 4 lithological units, considered as those creating the normal sequence of the lower part of the younger PZ2 cyclothem. The first one is a dolomitic shale bed, ca. 3.7 m thick, defined as the Stink Shale (T2). It is overlain by a dolomite layer, 0.3-0.5 m thick, representing the Main Dolomite (Ca2), and by an anhydrite series, over 17 m thick, attributed to the Basal Anhydrite (A2). The studied section ends with a rock salt complex, ca. 4 m thick, interpreted as the Older Halite (Na2). The bromine (Br) content in both salt units is relatively low: 81-86 ppm (7 samples) in the Na1 unit and 54-77 ppm (4 samples) in the Na2 unit, with a distinct upward-increasing trend in the latter. Similar low Br values and their distribution trends were characteristic for the top of the Na1 standard bromine curve in Poland and for the lower part of such curve for the Na2 salts. This geochemical similarity could support a proper stratigraphic position of both units. The analysed section was interpreted as a tectonic slice or intrusion, composed of Na1 rock salt overlain with the younger A1g sulphate, incorporated within the folded complex of Na2 rock salt. Such image confirms the current opinion of a more complicated internal structure of the so-called "marginal anticlines” within the Kłodawa dome, composed of intensively folded both salt units. It also documents that the oldest Zechstein evaporites (chlorides and sulphates) could occur above within the dome section than was stated earlier.
    Źródło:
    Przegląd Geologiczny; 2018, 66, 5; 303--308
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wykorzystanie fotogrametrii bliskiego zasięgu w badaniach tempa erozji wybrzeży klifowych Zbiornika Jeziorsko (k. Sieradza)
    Close-range photogrammetry application in research of erosion rate of the shore cliffs of Jeziorsko Reservoir (near Sieradz)
    Autorzy:
    Majecki, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075108.pdf
    Data publikacji:
    2014
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    fotogrametria bliskiego zasięgu
    wybrzeża klifowe
    Polska centralna
    zbiornik Jeziorsko
    procesy abrazji
    close-range photogrammetry
    shore cliffs
    Central Poland
    Jeziorsko Reservoir
    abrasion processes
    Opis:
    The shore zone of Jeziorsko Reservoir, located in central Poland, is subject to intense erosional processes, mainly abrasion, which lead to significant morphology transformation of the shore and, in some cases, to the formation of cliffs. The use of close-range photogrammetry allows evaluating the erosion rate and the identificationof the area of these changes. Currently, the morphometric data on all cliffs located on the east shore of Jeziorsko Reservoir are obtained with the close-range photogrammetry technique. The presented surveys are the first stage of long-term monitoring of the east shore of Jeziorsko Reservoir. The morphometric data of the shore will be collected over the next several years. It will enable to determine the rate and direction of abrasion processes. Combined with textural analysis of sediments, it will also allow defining the influence of geological structures on the cliff development.
    Źródło:
    Przegląd Geologiczny; 2014, 62, 11; 744--747
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uwagi o wyznaczaniu współczynnika kompakcji ksylitów dla pierwszego środkowopolskiego pokładu węgla brunatnego w centralnej Polsce
    Remarks on determining the compaction coefficient of xylites for the first Middle-Polish lignite seam in central
    Autorzy:
    Widera, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075065.pdf
    Data publikacji:
    2013
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Middle-Polish lignite seam
    xylite compaction
    lignite compaction
    Middle Miocene
    Central Poland
    środkowopolski pokład węgla brunatnego
    kompakcja ksylitu
    kompakcja węgla brunatnego
    środkowy miocen
    Polska centralna
    Opis:
    The First Middle-Polish lignite seam of Middle Miocene age is exploited in all opencast mines in the Konin-Turek area, central Poland. This lignite seam contains a large number of xylites, for which the compaction coefficient was calculated as equal to 1.2. On the other hand, it is known that the compaction coefficient for the whole 1st Middle-Polish lignite seam is approximately 2.0. It follows that the compaction coefficient of xylites is 60% of the compaction coefficient for the whole lignite seam. Therefore, the compaction coefficient for the 1st Middle-Polish lignite seam can be easily determined on the basis of the compaction coefficient of xylites. In contrast to other methods, compaction studies of xylites are characterised by easy measurements and simple calculations, and allow neglecting, e.g., post-sedimentary deformation of the lignite seam.
    Źródło:
    Przegląd Geologiczny; 2013, 61, 5; 304--310
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przydatność nowej sondy geoelektrycznej do charakterystyki litologicznej iłów warwowych z Plecewic k. Sochaczewa
    Practicability of new geoelectrical equipment for the lithological characteristic of varved clays from Plecewice near Sochaczew (central Poland)
    Autorzy:
    Zawrzykraj, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074356.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    iły warwowe
    sonda geoelektryczna
    litologia
    centralna Polska
    uziarnienie iłów
    varved clays
    geoelectrical profiling
    thickness diagram
    Opis:
    This paper presents the results of the field research using a new, prototypical geoelectrical equip-ment, that were developed for the soil resistance (Borowczyk &Porzeżyński, 2003). These studies were carried out in Plecewice near Sochaczew, where an open pit with varved clays is situated. Lithological changeability of varved clays was determined by the author through detailed laboratory testing. Then the results of research were compared with those derived from the new geoelectrical equipment tests and were related to varve thickness qualitative and quantitative evaluation of the soils in the vertical profile with the novel method was demonstrated. Further, the geological situation of the investigated area is presented in this paper.
    Źródło:
    Przegląd Geologiczny; 2005, 53, 8; 677--681
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Siarka i jej główne minerały w iłch poznańskich (górny neogen) oraz ich wpływ na barwę osadu
    Sulphur and its main minerals in the Poznañ Clays (upper Neogene) – their influence on the sediment colour
    Autorzy:
    Klęsk, Jakub
    Powiązania:
    https://bibliotekanauki.pl/articles/20205117.pdf
    Data publikacji:
    2023
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    rodzima siarka
    piryt
    gips
    jarozyt
    neogen
    centralna Polska
    native sulphur
    pyrite
    gypsum
    jarosite
    Neogene
    central Poland
    Źródło:
    Przegląd Geologiczny; 2023, 71, 5; 249--254
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Uwarunkowania stosowalności iłów jako izolacyjnych barier geologicznych na przykładzie iłów ze złoża w Budach Mszczonowskich
    Conditions of applicability of clays as geological sealing barriers: Example of the clays rom Budy Mszczonowskie (central Poland)
    Autorzy:
    Drągowski, A.
    Łuczak-Wilamowska, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074358.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    bariera geologiczna
    iły neogeńskie
    odpady niebezpieczne
    składowanie odpadów
    centralna Polska
    mineral barriers
    waste disposal site
    expansive soils
    Opis:
    Storage is one of the most widely applied methods of neutralisation of wastes, prevailing over thermal, chemical and biological treatment. Waste disposal site must be harm-less for the natural environment and for the human’s life and health. Its sealing must be reliable. However, the recently used synthetic liners are not sufficient. Experiments showed that the proper protection of the natural environment against the interaction with wastes may be achieved by using naturally occurring grounds, or by composing artificial mineral sealing barriers. The deposits to be used a as a barrier must have specific characteristics required by the binding regulations. On the example of the clays from the pit in Budy Mszczonowskie, the paper presents the range of investigations needed to evaluate applicability of the Neogene expansive soils as the sealing barriers.
    Źródło:
    Przegląd Geologiczny; 2005, 53, 8; 687-690
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rozwój osuwiska 22S w najgłębszej części kopalni Bełchatów
    The development of the 22S landslide in the deepest part of the brown coal mine Bełchatów
    Autorzy:
    Czarnecki, L.
    Goździk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074586.pdf
    Data publikacji:
    2008
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    zagrożenia geotechniczne
    osuwiska
    kopalnie odkrywkowe
    Kopalnia Węgla Brunatnego Bełchatów
    centralna Polska
    geotechnical hazard
    landslide
    open-cast mine
    brown coal Bełchatów mine
    Central Poland
    Opis:
    The open-cast mine at Bełchatów is one of the deepest in the Central Europe. Landslides are there the main geotechnical hazard. The principal factors causing landslides in the mine are: complicated tectonic setting in the Kleszczów Graben, high lithological variability and the considerable depth of the excavation (over 200m). Landslide 22S is one of the biggest in the mine. It is situated at the SE corner of the so-called "second-order graben", where seam exploitation reaches 280m in depth. In this corner there are a set of faults forming a step-like pattern and alluvial sandy cone splitting the brown coal seam. The result is that layers are inclined to the open-cast central axis. There is a clay layer near the bottom of the brown coal seam inclined in the same direction Analyses of these factors enabled the landslide hazard zone to be established. In September 2003 slope movement monitoring began. During the first year slow horizontal displacement was recorded (1.4-5.0mm/day). In July 2004 the tempo of the displacement doubled and one of the inclinometers was truncated at the depths ca 20m. A simulating calculation showed that in order to prevent a slide a widening of a bench ca 400m is necessary, and in consequence restrict brown coal exploitation. It was decided not to widen a bench, but to intensify the monitoring and control process. On 17.02.2005 the speed of displacement rate exceeded 30mm/day. From the experiences with earlier landslides such a value was regarded as critical. The landslide hazard zone was closed and equipment was evacuated. On 2.03.2005 the tempo displacement attained 66mm/day (the alarm value of 50mm/day was crossed). On 15.03.2005 rapid mass movement occurred and the landslide 22S was formed; more exactly it was end of first stage of its development. The volume of the landslide was estimated to be 650 000m3. Protection works were undertaken to restrain landslide progress. However an increase in the depth of an excavation may result in the possibility of a landslide, and an intensive monitoring of a displacement in the hazard zone was ordered. During the first half-year after the first stage of the landslide 22S, no displacement was recorded. In July 2005 initiation of movement and fissures formation were observed. Per analogiam to the investigations of the development of the earlier landslides in the mine, a reactivation of the landslide 22S was expected at the end of 2005. On 4.12.2005 the second stage of the landslide occurred. After two stages the landslide volume reached ca 1 million m3. Site-specific geological conditions and the great depth of the Bełchatów mine excavation result in the landslide development having some peculiar features, and an investigation of them provided important pointers for prognosis hazard of the slope instability.
    Źródło:
    Przegląd Geologiczny; 2008, 56, 2; 150-157
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chronologia i zasięgi nasunięć lądolodu na obszarze lobu Wisły podczas stadiału głównego ostatniego zlodowacenia
    Chronology and extents of ice sheet advances in the Vistula lobe area during the Main Stage of the Last Glaciation
    Autorzy:
    Wysota, W.
    Molewski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074848.pdf
    Data publikacji:
    2011
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    loby lodowcowe Wisły
    strumień lodu Wisły
    północno-centralna Polska
    skandynawski lądolód
    ostatnie zlodowacenie (LGM)
    ostatnie zlodowacenie Wisły
    Vistula ice lobe
    Vistula ice stream
    north-central Poland
    Scandinavian Ice Sheet
    last glacial maximum (LGM)
    Late Weichselian glaciation
    Opis:
    During the maximum of the last glaciation the Vistula ice lobe was one of the key morphological elements at southern margin of the Scandinavian Ice Sheet in north-central Poland. The area of the Vistula ice lobe experienced two ice sheet advances of varied extent, the earlier one during the Leszno Phase and the younger one in the Poznań Phase. According to the authors, the limit of the Leszno Phase within the study area was much smaller than hitherto accepted and its age is estimated at about 20.5 ka BP. Significant ice sheet retreat was followed by an ice readvance during the Poznań Phase, overriding the extent of the Leszno Phase. The Poznań readvance reached the maximum limit in the Vistula ice lobe area about 18.5 ka BP. It is assumed that the rapid ice sheet transgression during the Poznań Phase (on average 400 m/a) and origin of the Vistula lobe were probably connected with activity of the palaeo-ice stream.
    Źródło:
    Przegląd Geologiczny; 2011, 59; 214-225
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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