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Wyświetlanie 1-15 z 278
Tytuł:
Influential Polish publications in sedimentary geology 1996-2016
Autorzy:
Racki, G.
Powiązania:
https://bibliotekanauki.pl/articles/2059868.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
sedimentary geology
hot papers
citation analysis
Polish geology
Opis:
The list of thirty highest cited recent Polish publications (after 1995) on diverse themes resulted from study of sedimentary rocks, usually referred as sedimentary geology, is presented. The progressively successful fields include in first order large-scale palaeogeographic and lithofacies analyses in supra-regional geotectonic framework (by Golonka), and also tectonic-regional varieties of basin analysis, developed by several research groups in Cracow, Warsaw and Wrocław, in agreement with one of the leading research front in worldwide geosciences. Ecological and Integrative stratigraphic-event characteristics of sedimentary successions are another well-known Polish specialties, the best exemplified by flysch ichnology (Uchman) and Devonian studies at University of Silesia. On the other hand, sedimentary geochemistry is still in infancy in Poland, despite a big progress in last years (in particular organic topics - Marynowski). The dominance of Cracow geological school is obvious, derived from a long-lasting tradition of mostly Carpathian studies in Jaggielonian University, even if this research is well advanced as well in many other institutions in Poland. For example, a newly emerging Polish specialty in tsunami hazard studies (Szczuciński) is markedly located at Adam Mickiewicz University. Nevertheless, Carpathian and post-Palaeozoic stratigraphic-sedimentological themes were still the most popular, although simultaneously an evolution toward effective cooperation in largely international groups (also outside of Poland, especially in Ukraine) appears to be the most significant tendency in modern Polish geosciences.
Źródło:
Geological Quarterly; 2016, 60, 2; 537--546
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of radon hazard to inhabitants of the Augustów Plane sandr and inhabitants of the Suwałki region of fluvioglacial sands and gravels
Autorzy:
Karpińska, M.
Wołkowicz, S.
Mamont-Cieśla, K.
Mnich, Z.
Kapała, J.
Powiązania:
https://bibliotekanauki.pl/articles/148346.pdf
Data publikacji:
2003
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
building
geology
radon
Opis:
In a region of two lithologic units: the Augustów Plane sandr and the Suwałki sands and fluvioglacial gravels, 134 measurements of radon concentrations in dwelling houses were performed. An integral method of solid state nuclear trace detectors (SSNTD) was used in the studies. Statistically significant differences in the radon concentrations in both geological units were obtained. The radon concentration arithmetic mean was 197 Bq m-3, geometric mean - 119 Bq m-3, median - 111 Bq m-3, the maximal value being 1225 Bq m-3 in the region of the Suwałki fluvioglacial sands and gravels. The Augustów Plane sandr revealed arithmetic mean of radon concentration equal to 123 Bq m-3, geometric mean – 80 Bq m-3, and median equal to 67 Bq m-3, maximal value 695 Bq m-3. The annual effective dose of the radon obtained by inhabitants of the Augustów Plane sandr is 1.7 mSv and for inhabitants of the Suwałki fluvioglacial sands and gravels it is 2.5 mSv.
Źródło:
Nukleonika; 2003, 48, 4; 197-200
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka warunków geologiczno-inżynierskich podłoża Krakowa z uwzględnieniem nawarstwień historycznych
Autorzy:
Rybicki, S.
Krokoszyński, P.
Herzig, J.
Powiązania:
https://bibliotekanauki.pl/articles/343937.pdf
Data publikacji:
2007
Wydawca:
nakł. Maciej Pawlikowski
Tematy:
Kraków
geologia
geology
Źródło:
Auxiliary Sciences in Archaeology, Preservation of Relics and Environmental Engineering; 2007, T. 3 spec. ed.; 1-5
1689-6742
Pojawia się w:
Auxiliary Sciences in Archaeology, Preservation of Relics and Environmental Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geological history of the NW Indian Plate Tethyan passive margin in the Salt Range, Pakistan
Autorzy:
Iqbal, Saqib
Powiązania:
https://bibliotekanauki.pl/articles/24202115.pdf
Data publikacji:
2023
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Tethys
Pakistan
geology
Opis:
The generally east-west trending Salt Range, located in northern Pakistan, is a part of the foreland zone of the Himalayan Fold and Thrust Belt (HFTB). The 5,000–1,000 m thick Precambrian to Pleistocene sedimentary archives of the Salt Range provide an excellent opportunity for the reconstruction of sedimentation style, palaeoclimatic conditions, and tectonic history of the northwestern margin of the Indian Plate. The Precambrian evaporites of the Salt Range Formation are the oldest rocks in the area and represent the westward extension of the Precambrian evaporitic belt that includes the Hormuz Salt Basin (Iran) and Ara Salt (Arabian Plate). A highly weathered igneous body “Khewrite” occurs in the upper part of the formation and can be correlated with the volcanic record during the Ediacaran-Cambrian transition in the Arabian Plate. The clastic-dominated Lower Cambrian succession in the area is directly overlain by the Permian Tobra Formation and with a gentle angular unconformity. The poorly sorted conglomerates of the Tobra Formation indicate deposition during the Permo-Carboniferous glaciation and the irregular distribution of the Tobra and Dandot formations in the area supports their deposition during the syn-rifting phase of the Neo-Tethys opening. The overlying Upper Permian and Mesozoic strata indicate deposition on the northwestern passive margin of the Indian Plate facing the southern margin of the Neo-Tethys. This represents the drift sequence with multiple phases of passive margin rejuvenation during the Mesozoic. The drift sequence is unconformably overlain by the Paleocene Hangu Formation. Karst bauxites mark this contact and hint at exhumation and exposure in the distal part of the underthrusting plate margin. The Hangu Formation grades upward through the Lockhart Limestone into black shales of the Patala Formation supporting deepening and the possible establishment of a trench setting in the area. The presence of thick evaporites of the Bahadar Khel Salt and Jatta Gypsum in the western part of the area (Kohat Plateau) indicates a restricted lagoonal setting during the closure of the Neo-Tethys during the Eocene. The absence of the Oligocene strata hints at the uplift and exhumation of the area during the Himalayan Orogeny. The Neogene strata of the area consist of fluvial-continental detritus and represent molasse sedimentation. Thermal history modelling based on Apatite Fission Tract (AFT) data indicates three major cooling (uplift) episodes separated by two burial phases in the area. The first cooling event (ca. 520 Ma) coincides with the emplacement of the Mansehra Granite just north of the area (ca. 516 Ma) and supports exhumation correlatable with the Pan-African Orogeny. This was followed by the first burial phase (ca. 500–370 Ma) that supports Late Cambrian–Devonian sedimentation in the area. The second cooling event (ca. 300–280 Ma) coincides with the initial rifting and exhumation associated with the Neo-Tethys opening. Therefore, it appears that the Late Cambrian–Devonian strata were deposited in the Salt Range but were subsequently eroded during the exhumation induced by the Neo-Tethys opening during Permo-Carboniferous. This was followed by Neo-Tethyan passive margin deposition throughout the Mesozoic. An additional cooling episode is observable at around ca. 60 Ma and is supported by the presence of karst bauxites at the base of the Hangu Formation. Provenance analysis of the Paleocene strata suggests that detritus for the Hangu Formation was supplied from the south (Indian Plate). The overlying Patala Formation indicates the onset of sediment supply from the north and hence the uplift of the Himalayan Orogen. The overlying Kuldana Formation supports detritus supply only from the north verifying the Neo-Tethys closure by the end of Eocene. Thus the Paleogene strata represent syn-collisional deposition of the Neo-Tethys in the Salt Range. The second burial event (ca. 20–6 Ma) occurred during the Neogene in response to molasse sedimentation in the foreland of the uplifting Himalayan Orogen that was followed by the final cooling and uplift event (ca. 4 Ma) along the Salt Range Thrust. Thus the stratigraphic successions of the Salt Range provide key information regarding the reconstruction of the northwestern Neo-Tethyan margin of the Indian Plate which can help in the understanding of Neo-Tethyan tectonics in regional and global context.
Źródło:
Geotourism / Geoturystyka; 2023, 1-2 (72-73); 29--29
1731-0830
Pojawia się w:
Geotourism / Geoturystyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evolution of the mental picture of shale reservoir completion – 3rd Shale Science Conference (Warsaw, 9–10 June 2014) : note
Autorzy:
Liana, B.
Hadro, P.
Powiązania:
https://bibliotekanauki.pl/articles/184516.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
geomechanics
geophysics
geology
Opis:
The 3rd edition of ShaleScience conference held on 9–10 June 2014 in Warsaw, Poland, was a very successful event. It was organized by Orlen Upstream and partner Institutions – EGI, AGH and INIG – under the Honorary Patronage of the Polish Ministry of Environment. The conference brought together world-class specialists in fields of geology, geophysics, geomechanics, drilling, reservoir completion and environmental protection. They all contributed greatly to a better understanding of the Polish shale reservoirs of moderate quality.
Źródło:
Geology, Geophysics and Environment; 2014, 40, 3; 297-299
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of root system on slope stability in the view of numerical analysis
Autorzy:
Stanisz, J.
Kos, J.
Kumorowska, M.
Kaczmarzyk, M.
Powiązania:
https://bibliotekanauki.pl/articles/184230.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
engineering geology
geotechnics
vegetation
Opis:
The problem of slope stability is one of the most difficult issues, which constitutes the object of interest of engineering geology and geotechnics. The impact of vegetation, well developed bush root system in particular, on the improvement of slope and escarpment stability, is one of the often-omitted aspects in engineering practice. Vegetation may perform a double function within a geological medium: - strengthening – by means of soil reinforcement and anchoring, binding of grains, which improves strength parameters, reduction of pore pressure and groundwater table by means of water interception; - weakening – by means of the impact of specific gravity of vegetation on the subsoil, the impact of wind on a tree, which may lead to its inclination and creation of voids in the soil, moisture changes leading to shrinkage and loosening of the ground (Najder 2003, Greenwood et. al. 2004). Plant roots demonstrate much tensile strength. They increase the ground’s cohesion owing to their friction and adhesive properties. Changes of these parameters depend on the spatial reach and the type of root system. The following types may be distinguished: intensive (concentrated) and extensive (diffused) (Reubens et al. 2007). A given root type impact zone depends on the location of the potential slip surface and the kind of mass movement (Koda et al. 2010). A landslide in Pietrzejowice, located on the Proszowice Plateau, at a distance of approximately 25 km from Cracow, is the object of the research (Kondracki 2010). Landslide movement was initiated on 14 May 2010. At night on 3–4 June further development of the landslide occurred, leading to the damage of two residential buildings. Surface deformations occurred in the area of approximately 3 ha. A geological medium was subdivided into five geotechnical layers: silty clay with different consistency and Miocene clay (Jaskólski et al. 2012). Numerical analyses of the slope stability were carried out in the FLAC 7.0 programme, whose computational algorithm is based on the finite difference method. Two options of the root system development – concentrated and diffused – were adopted in the model. Numerical simulations were carried out as per the scheme (Pilecki et al. 2014): 1) Static analysis of the data set for variable soil and water conditions with Duncan and Wright method (Kaczmarek & Popielski 2015). 2) Elaboration of the set of input data. 3) Elaboration of the physical model. 4) Elaboration of design model along with adopted initial and design conditions. The following options were considered: - variant I – natural slope condition, - variant II – condition after water accumulation, variant III – development of concentrated root system, - variant IV – development of diffused root system, - variant V – water accumulation of option III, - variant VI – water accumulation of option IV. 5) Calculation of the results and their verification. 6) Analysis of the probability of occurrence of mass movements for the adopted design options. Statistical analysis of the set of input data and results of numerical simulations allowed determining the impact of the root system on changes of the safety factor with the soil variable and water conditions. The route of the slide surface and determination of the probability of the loss of stability, with local or global nature, are also important pieces of information. The results of numerical simulations indicate an increased value of safety factor for the slope with extensive root system. The results are of a reconnaissance nature and they describe the impact of the root system on stability in a general manner.
Źródło:
Geology, Geophysics and Environment; 2016, 42, 1; 129-130
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Polish Antarctic Bibliography: Earth Sciences (1960—1990)
Autorzy:
Birkenmajer, Krzysztof
Gaździcki, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2052820.pdf
Data publikacji:
1991
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Geology
Geomorphology
Geophysics
Paleobiology
Źródło:
Polish Polar Research; 1991, 12, 2; 247-260
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geodynamic aspects of studies of Quaternary inland sediments in South Spitsbergen (attempt to synthesis)
Autorzy:
Lindner, Leszek
Marks, Leszek
Powiązania:
https://bibliotekanauki.pl/articles/2052864.pdf
Data publikacji:
1990
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
Quaternary geology
Źródło:
Polish Polar Research; 1990, 11, 3-4; 365-387
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geology and mining of selected energy resources in China
Autorzy:
Ćmiel, S. R.
Powiązania:
https://bibliotekanauki.pl/articles/294293.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
China
geology
mining
energy resources
Opis:
The article presents geological and economic characteristics of energy resources and their mining in China. Coal basins are associated with the Palaeozoic and Mesozoic fold structures connecting crystalline massifs of the Chinese Platform. In China four coal-bearing regions are delimited: the most important economically central region (Shanxi and Ordos Basin) as well as eastern, south-western and western (Xingjian). In terms of coal resources, China ranks third, and in terms of the extraction – first in the world, producing approx. 3.65 billion t a–1. In the twenty-first century Chinese mining industry has undergone restructuring involving the liquidation of small, technologically backward mines with poor safety and profitability record. The most important onshore oil and gas basins occur in Daqing, Shengli, Nanyang, Renqiu, Karamay, Dagang and Yumen, while offshore basins are in the Yellow Sea and South China Sea. In terms of crude oil consumption and import China takes the first place in the world. Natural gas plays a relatively small role in energy production. China has the largest shale gas reserves in the world (36 trillion m3) and it is intensively preparing for their extraction.
Źródło:
Landform Analysis; 2016, 32; 3-8
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Początki badań impaktów
Beginnings of impacts research
Autorzy:
Brachaniec, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1032957.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Meteorytowe
Tematy:
craters
geology
impacts
meteorites
research
Opis:
Impacts geology is a multi-disciplinary science, focus aspects of meteoritics, astronomy, petrography, geochemistry, structural geology, sedimentology and geophysics. The first studies of craters began in the 60s. Significant events in the development of this science were: the first research of the Cosmos, development of mineralogical and geochemistry analysis and important papers. Significant progress in the development of research studies reflect the number of newly discovered craters. Many aspects associated with them, such as dating, strewnfields, water impacts are still fairly problematic.
Źródło:
Acta Societatis Metheoriticae Polonorum; 2013, 4; 9-21
2080-5497
Pojawia się w:
Acta Societatis Metheoriticae Polonorum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
„Geolog w terenie... czyli lata 20., lata 30. na archiwalnych fotografiach Profesora Zdzisława Pazdry” : wystawa w Muzeum Geologicznym im. S. J. Thugutta naWydziale Geologii Uniwersytetu Warszawskiego
"A geologist in the field... the 1920s and 1930s in archival photos of Professor Zdzisław Pazdro collection" : exhibition at the S. J. Thugutt Geological Museum of the Faculty of Geology (University of Warsaw)
Autorzy:
Barczyk, G.
Niechwedowicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/2075038.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
geology
history of Polish geology
old photographs
geologia
historia polskiej geologii
stare fotografie
Opis:
This paper presents a collection of archival photographs taken by Zdzis³aw and Olga Pazdro. The collection was purchased by the S. J. Thugutt Geological Muzeum (Faculty of Geology, University of Warsaw). The set of vintage photographs consists of a few hundred previously unknown large-format glass plates, celluloid negatives and prints dated 1926–1939. This unique collection documents Professor's scientific fieldwork, excavations, fieldtrips and daily life scenes.
Źródło:
Przegląd Geologiczny; 2013, 61, 12; 742--745
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 278

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