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Tytuł:
Bryozoans (trepostomes and fenestellids) in the Zechstein Limestone (Wuchiapingian) of the North Sudetic Basin (SW Poland : palaeoecological implications
Autorzy:
Hara, U.
Słowakiewicz, M.
Raczyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/2060558.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
bryozoans
Late Permian
Zechstein
taxonomy
ecology
Opis:
A recently investigated Zechstein Limestone (Ca1, Wuchiapingian) bryozoan fauna from the Polish part of the Southern Permian Basin (SW Poland) is dominated volumetrically and taxonomically by fenestellids. In total six species from five genera are recognized, comprising two species of trepostomes belonging to Dyscritella Girty, 1911 and four fenestellids attributed to Kingopora Morozova, 1970, Kalvariella Morozova, 1970, Acanthocladia King, 1849 and Spinofenestella Termier and Termier, 1971. The greatest biodiversity of the bryozoans in the Ca1 profiles studied is within the slope facies where large, fan-shaped and funnel-shaped reticulate fenestellid colonies up to 10 cm high dominate. In contrast, bryozoans in the marginal (proximal) parts of the basin mostly comprise trepostomes, represented by encrusting plate-like or coil-shaped colonies of Dyscritella Girty, and commonly broken branched colonies of Acanthocladia King. The changes in the biotic composition of the bryozoans and the presence of a dominant colony growth form in the stratigraphical profile of the Ca1 reflect the depositional environment and water energy. These factors stimulate the successive stages of the development of the biota and their settlement, marked by the rich productid-fenestellid assemblages typical of the offshore setting, with the maximum depth in the middle part of the Ca1 in the Grodziec Syncline. The proximal tempestites and foreshore facies of the upper part of the Ca1 (Leszczyna Syncline) terminate the sedimentary cycle of the Ca1, with the remnant, broken bryozoans of Acanthocladia and fenestellids. The relationship between the taxonomic composition, colony growth-patterns, associated biota, and sedimentary structures points to slow sedimentation rate on slope and basin floor of the Ca1 carbonate platform. The fenestellids which are dominated in the studied biota by the reticulate and pinnate colonies of Spinofenestella, Kingopora, Kalvariella and Acanthocladia mark a close palaeogeographical link with the Zechstein (Ca1) bryozoans of Great Britain, Germany and the southern Baltic region.
Źródło:
Geological Quarterly; 2013, 57, 3; 417--432
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zechstein marine deposits in the Wleń Graben (North Sudetic Synclinorium, SW Poland) : new insights into the palaeogeography of the southern part of the Polish Zechstein Basin
Autorzy:
Kowalski, A.
Durkowski, K.
Raczyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/973706.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Polish Zechstein Basin
dolomites
Permian
Triassic
Transitional Terrigenous Series
PZt
North Sudetic Synclinorium
Wleń Graben
Opis:
This paper presents the results of sedimentological studies of Zechstein marine deposits occurring in the Wleń Graben, a tectonic unit located in the southeastern part of the North Sudetic Synclinorium (NSS; Western Sudetes, SW Poland). Owing to poor exposure, small thickness, and lack of palaeontological data, the stratigraphy and age of these rocks were determined solely on the basis of analogies with adjacent areas. New findings described here, including faunal remains (remains of bivalves, including Liebea sp.), geopetal structures, clastic fills of halite crystals, moulds and bioturbation, shed new light on the environmental interpretations of the Zechstein in this part of the NSS. It should be assumed that at least two types of deposit may be assigned to the marine Zechstein in the Wleń Graben area, namely sparitic and microsparitic dolomite (PZ3) and the overlying deposits of the heterolithic series (PZt). These deposits were formed during the late Zechstein transgression, when the study area was in the marginal southwesternmost part of a newly formed shallow-marine bay of the Polish Zechstein Basin. In the central part of the present-day Wleń Graben, a shallow-marine bay (lagoon?) was dominated by carbonate sedimentation. A north-dipping mud plain, periodically flooded by a shallow sea, occurred in the southern part of the area. The paper summarises the present state of research on Permian deposits in the Wleń Graben, the first comprehensive lithostratigraphic scheme is suggested, and a new concept of the palaeogeographic evolution of the area in the Early and Late Permian is proposed.
Źródło:
Annales Societatis Geologorum Poloniae; 2018, 88, 4; 321-339
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zechstein (Ca1) limestone-marl alternations from the North-Sudetic Basin, Poland: depositional or diagenetic rhythms?
Autorzy:
Biernacka, J.
Borysiuk, K.
Raczyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/2059558.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Zechstein
limestone-marl alternations
storm deposits
carbonate diagenesis
Opis:
Limestone-marl alternations constitute a characteristic rock facies within the Zechstein Limestone (Ca1) deposits of the North-Sudetic Basin, Poland. Rhythmites of this type are exposed in a 10-metres section at Nowy Kooeciół, which from the beginning of the last century has been considered representative for this part of the Zechstein basin, and were formerly interpreted as calcareous storm sediments alternating with marls deposited during more quiet conditions. Our results of sedimentological, petrographical and chemical studies suggest that the Nowy Kościół section is a record of distal storm deposits, but that the present-day layering does not precisely reflect the depositional rhythm. Post-depositional changes have overprinted and blurred the original pattern.We propose a model of diagenetic alteration in which dissolution and reprecipitation of calcium carbonate in the shallow subsurface formed new layer boundaries; subsequent modifications during deeper burial followed these early diagenetic changes.
Źródło:
Geological Quarterly; 2005, 49, 1; 1--14
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microfacies, foraminifers and carbon and oxygen isotopes in a basinal section of the Zechstein Limestone (Wuchiapingian): Bonikowo 2 borehole, western Poland
Autorzy:
Peryt, D.
Peryt, T. M.
Hałas, S.
Raczyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/2060535.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Foraminifers
carbon and oxygen isotopes
Wuchiapingian
basin facies
Zechstein Limestone
Polska
Opis:
The Zechstein Limestone of the Bonikowo 2 borehole is composed of limestone with varied dolomite content and is slightly thicker (3.4 m) than other supposed condensed sections in SW Poland. The microfacies (mostly bioclastic wackestones-packstones) are characteristic of open marine limestone deposited in deep shelf environments. The common occurrence of echinoids in all parts of the section, except close to its top, indicates no essential change in sea water salinity. However, the palaeotemperature interpretation of the highest δ18O value of calcite recorded in the Bonikowo 2 borehole (+0.32‰) indicates a temperature of 22.9°C when a δ18O of water = 2‰ is assumed. The δ13C and δ18O curves for calcite and dolomite are similar in shape, and their mean values are similar: +1.8 ±1.5‰ for calcite, respectively, and +1.9 ±2.3‰ and –4.3 ±2.4‰, –3.8 ±4.3‰ for dolomite. There is a recrystallized interval in the lower part of the section with both δ13C and δ18O values reduced. This may be regarded as an aerobic equivalent of the Kupferschiefer. The diversity and abundance of foraminifers is significant throughout the section studied; lagenids prevail, and this is considered to be due to the dysaerobic conditions throughout the duration of deposition of the Zechstein Limestone.
Źródło:
Geological Quarterly; 2016, 60, 4; 827--839
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Foraminiferal colonization related to the Zechstein (Lopingian) transgression in the western part of the Wolsztyn Palaeo-Ridge area, Western Poland
Autorzy:
Peryt, D.
Peryt, T. M.
Raczyński, P.
Chłódek, K.
Powiązania:
https://bibliotekanauki.pl/articles/2059413.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Upper Permian
Zechstein
encrusting foraminifers
carbon isotopes
oxygen isotopes
transgression
breccias
Opis:
The basal Zechstein succession in SW Poland is dominated by breccias and/or conglomerates or extraclast-bearing bioclastic limestones, which were deposited during rapid flooding of the pre-existing intracontinental basin in the early Lopingian (Late Permian). Of these, the boulder-cobble breccias and conglomerates are interpreted as deposited in a rocky shore-zone where density flows and upwelling prevailed. The breccias gradually pass up into bryozoan (or other bioclastics) grainstones. The matrix-supported breccias were deposited as large extraclasts and blocks of Carboniferous rock were rolled down or detached from a cliff and were then either embedded into a carbonate sand or formed a framework supplying voids that could be colonized by tubular encrusting foraminifers. These foraminifers abound in all basal Zechstein facies (except in the debris-flow deposits) and are attributed to Palaeonubecularia. The associated faunas include other foraminifers (uniserial and hemigordiopsids), bryozoans, brachiopods, bivalves, gastropods, and microbial deposits. The prolific growth of tubular encrusting foraminifers has resulted from nutrient supply from the basin by upwelling. Botryoidal aragonite cements (also interpreted as due to upwelling) also characterize the basal Zechstein strata, although they were previously reported only from the upper Zechstein Limestone. The ẟI3C values of the basal Zechstein deposits show small variation and oscillated around 4.0%o, suggesting that these deposits are younger than the Kupferschiefer.
Źródło:
Geological Quarterly; 2012, 56, 3; 529--546
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrocarbons in the Upper Permian PZ1– PZ2 cycles of the Kłodawa Salt Structure, central Poland
Autorzy:
Wolny, Ł.
Czechowski, F
Burliga, S.
Raczyński, P.
Hojniak, M.
Powiązania:
https://bibliotekanauki.pl/articles/191617.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Zechstein Basin
Kłodawa Salt Structure
PZ1–PZ2 rocks
hydrocarbons
biomarkers
maturity
hydrocarbons migration
Opis:
Organic geochemical studies were carried out on the sulphate–shale–carbonate series, representing the upper PZ1 and lower PZ2 sections of the Zechstein cycles in the Kłodawa Salt Structure, located in the central part of the Zechstein Basin, in Poland. Hydrocarbons extracted from the Na1 and Na2 rock salts, the A1g and A2 anhydrites, the Ca2 dolomitic anhydrite and the T2 shale-carbonate rocks were analysed by gas chromatography mass spectrometry (GC-MS). Homological series of the n-alkanes and chained isoprenes indicate the algal nature of the organic matter with the characteristic chemiistry of type II kerogen deposited under anoxic conditions. The molecular composition of other biomarkers (n-alkylbenzenes, steranes) as well as phenenthrene and dibenzothiophene and their methyl derivatives revealed the highest maturity of the hydrocarbons (level of advanced stage of the oil-window zone) in the upper part of the Stinking Shale. In the adjacent beds, a gradual decrease in the maturity of the hydrocarbons was observed both upwards and downwards in the stratigraphic sequence. The main source rock of the hydrocarbons is represented by the Stinking Shale deposits. The observed trend of vertical variation in maturity through the rock profile is explained as resulting from the continuous vertical migration of hydrocarbons, expelled during maturation from the Stinking Shale rocks into the underlying and overlying strata.
Źródło:
Annales Societatis Geologorum Poloniae; 2014, 84, 4; 363-374
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antropogeniczne zmiany rzeźby na terenach górniczych Starego Zagłębia Miedziowego (synklinorium północnosudeckie) w świetle analiz geomorfometrycznych NMT LiDAR i danych archiwalnych
Anthropogenic changes of the “Old Copper Basin” area landscape (North-Sudetic Synclinorium) in the light of LiDAR-based geomorphometric analysis and archival data
Autorzy:
Kowalski, A.
Maciejak, K.
Wojewoda, J.
Kozłowski, A.
Raczyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/2061788.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
geomorfometria
obszary pogórnicze
NMT LiDAR
Stare Zagłębie Miedziowe
Sudety
geomorphometry
post-mining areas
DTM LiDAR
Old Copper Basin
Sudetes
Opis:
O ile parametry złożowe, historia oraz techniki eksploatacji cechsztyńskich złóż rud miedzi w synklinorium północnosudeckim były przedmiotem licznych opracowań, zagadnieniu przekształceń rzeźby terenu na obszarze tzw. Starego Zagłębia Miedziowego nie poświęcono jak dotąd szczególnej uwagi. Niniejsza praca ma na celu uzupełnienie tej luki. W artykule opisano morfologię i przeprowadzono szczegółowe analizy geomorfometryczne form pogórniczych związanych bezpośrednio z eksploatacją rud miedzi i składowaniem odpadów poeksploatacyjnych na obszarze Zagłębia. W analizie i opisie form powierzchni wykorzystano dane archiwalne, ale przede wszystkim nowe metody i możliwości związane z przetwarzaniem wysokorozdzielczych numerycznych modeli terenu (NMT LiDAR – ang. Light Detection and Ranging), które są uznawane obecnie za najwierniejsze i najdokładniejsze odwzorowanie powierzchni ziemi dostępne w formie numerycznej. Na obszarze badań wyróżniono i opisano następujące antropogeniczne formy rzeźby: wielkoskalowe deformacje powierzchni terenu (niecki osiadań i zapadliska), małoskalowe deformacje powierzchni terenu (pingi), kamieniołomy oraz formy związane ze składowaniem produktów ubocznych wydobycia i przeróbki rud miedzi – zbiorniki odpadów poflotacyjnych i hałdy. Wieloaspektowe podejście badawcze pozwoliło m.in. na zobrazowanie rozkładu przestrzennego form, oszacowanie parametrów wolumetrycznych, a także wytypowanie perspektyw rekultywacji i ochrony niektórych obiektów.
While the history, techniques of exploitation and deposit parameters of the copper ores in the North-Sudetic Synclinorium have been the subject of numerous investigations, the transformations of the terrain in the so-called “Old Copper Basin” (Lower Silesia, SW Poland) have not been analysed in detail before. This paper is intended to complement this gap. The authors present the results of the detailed geomorphometric analysis of the post-mining forms related directly to the copper mining. The LiDAR-based, high-resolution Digital Terrain Models (DTMs), which have been used in the analysis and description of the landforms, are currently considered as the most accurate and precise 3D-spatial data available in the numerical form. The following anthropogenic forms are distinguished in the study area: large- and small-scale ground deformations (depressions and small sinkholes), abandoned quarries, and forms associated with the exploitation and storage of the flotation wastes – post-flotation tailings and dumps. Our investigations have allowed visualization of the spatial distribution of the forms, estimation of their total volume as well as perspectives of their reclamation and protection.
Źródło:
Biuletyn Państwowego Instytutu Geologicznego; 2017, 469; 177--199
0867-6143
Pojawia się w:
Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Czestosc wystepowania zakazen pierwotniakiem Toxoplasma gondii u 2016 kobiet ciezarnych oraz ich dzieci urodzonych w Instytucie Matki i Dziecka w Warszawie
Autorzy:
Niemiec, K T
Raczynski, P.
Markiewicz, K.
Leibschang, J.
Ceran, A.
Powiązania:
https://bibliotekanauki.pl/articles/839805.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
toksoplazmoza
choroby pasozytnicze
noworodki
transmisja pasozytow
Instytut Matki i Dziecka Warszawa
kobiety ciezarne
czestotliwosc wystepowania
dzieci
pierwotniaki
parazytologia
infekcja pasozytnicza
Toxoplasma gondii
Opis:
The prevalence of Toxoplasma gondii infection among 2016 pregnant women and theit children in the Institute of Mother and Child in Warsaw. During the year 2000 a screening was performed to estimate the frequency of Toxoplasma gondii infections in 2016 pregnant women and their children in the Departmeot of Gynaecology aod Obstetrics and in the Outpatient Clinic of the Institute of Mother and Child in Warsaw. The study was based on identifying IgG and IgM specific antibodies. All tests were done in the Departmeot of Immuoology. Women with serologically diagnosed primary infection were offered further follow up, antibiotic therapy and care during delivery in the Institute of Mother and Child. Children born by infected mothers were examined serologically and observed in terms of congenital abnormality. There were 1294 (64.19%) seronegative; 722 (35.81 %) were infected before pregnancy (the presence of IgG antibodies). Five women with previous seronegative results (0.29%) were diagnosed as having primary infection during pregnancy. Congenital infection, confirmed serologically, was recognized in 3 newborn infants.
Źródło:
Annals of Parasitology; 2002, 48, 3; 293-299
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sedimentary history and biota of the Zechstein Limestone (Permian, Wuchiapingian) of the Jabłonna Reef in Western Poland
Autorzy:
Peryt, T. M.
Raczyński, P.
Peryt, D.
Chłódek, K.
Mikołajewski, K.
Powiązania:
https://bibliotekanauki.pl/articles/191254.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Wuchiapingian
reefs
Zechstein
bryozoans
stromatolites
aragonite cementation
neptunian dykes
carbon and oxygen isotopes
Opis:
The Jabłonna Reef, one of the reefs formed in Wuchiapingian time in the western part of the Wolsztyn palaeo-High (SW Poland), is characterized by quite irregular outlines and consists of three separate reef bodies (ca. 0.5–1.5 km2 each; the thickness of the reef complex is usually >60 m). It is penetrated by four boreholes, which show two distinct phases of bryozoan reef development during deposition of the the Zechstein Limestone. The first one occurred early in the depositional history and botryoidal aragonitic cementation played a very important role in reef formation. This phase of bryozoan reef development terminated suddenly; one possible reason was that a relative change of sea level – first a fall and then a rise – disturbed the upwelling circulation. Consequently, bioclastic deposition predominated for a relatively long time until the second phase of bryozoan reef development occurred, but the latter was not accompanied by dubious early cementation. During this second phase, reticular fenestellid bryozoans were predominant. Subsequently, microbial reefs developed and abound in the upper part of the Zechstein Limestone sections. The general shallowing-upward nature of deposition in the Jab³onna Reef area resulted in reef-flat conditions with ubiquitous, microbial deposits, in the central part of the Jab³onna Reef. Then, the reef-flat started to prograde and eventually the entire Jab³onna Reef area became the site of very shallow, subaqueous deposition. Five biofacies are distinguished in the Jab³onna Reef sections: the Acanthocladia biofacies at the base, then mollusc-crinoid, brachiopod-bryozoan, Rectifenestella and at the top, stromatolite biofacies. They represent a shallowing-upward cycle, possibly with some important fluctuation recorded as the distinctive lithofacies boundary, corresponding to the Acanthocladia/mollusc-crinoid biofacies boundary. The 13C curves of the Jab³onna 2 and Jab³onna 4 boreholes permit correlation of the trends in the middle parts of both sections and confirm the strong diachroneity of the biofacies boundaries, with the exception of the roughly isochronous Acanthocladia/ mollusc-crinoid biofacies boundary. The presence of echinoderms and strophomenid brachiopods indicates that until deposition of the lower part of the Rectifenestella biofacies, conditions were clearly stenohaline. The subsequent elimination of stenohaline organisms and progressively poorer taxonomic differentiation of the faunal assemblage are characteristic for a slight, gradual rise in salinity. The taxonomic composition of organisms forming the Jab³onna Reef shows a similarity to reefs described from England and Germany, as well as the marginal carbonate platform of SW Poland. Filled fissures were recorded in the lower part of the Jabłonna Reef. The aragonite cementation recorded in some fissure fillings implies that they originated in rocks exposed on the sea floor and are neptunian dykes.
Źródło:
Annales Societatis Geologorum Poloniae; 2016, 86, 4; 379-413
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Częstość występowania zakażeń pierwotniakiem Toxoplasma gondii u 2016 kobiet ciężarnych oraz ich dzieci urodzonych w Instytucie Matki i Dziecka w Warszawie
Autorzy:
Niemiec, K. T.
Raczyński, P.
Markiewicz, K.
Leibschang, J.
Ceran, A.
Powiązania:
https://bibliotekanauki.pl/articles/2147740.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
toksoplazmoza
choroby pasozytnicze
noworodki
transmisja pasozytow
Instytut Matki i Dziecka Warszawa
kobiety ciezarne
czestotliwosc wystepowania
dzieci
pierwotniaki
parazytologia
infekcja pasozytnicza
Toxoplasma gondii
Opis:
The prevalence of Toxoplasma gondii infection among 2016 pregnant women and theit children in the Institute of Mother and Child in Warsaw. During the year 2000 a screening was performed to estimate the frequency of Toxoplasma gondii infections in 2016 pregnant women and their children in the Departmeot of Gynaecology aod Obstetrics and in the Outpatient Clinic of the Institute of Mother and Child in Warsaw. The study was based on identifying IgG and IgM specific antibodies. All tests were done in the Departmeot of Immuoology. Women with serologically diagnosed primary infection were offered further follow up, antibiotic therapy and care during delivery in the Institute of Mother and Child. Children born by infected mothers were examined serologically and observed in terms of congenital abnormality. There were 1294 (64.19%) seronegative; 722 (35.81 %) were infected before pregnancy (the presence of IgG antibodies). Five women with previous seronegative results (0.29%) were diagnosed as having primary infection during pregnancy. Congenital infection, confirmed serologically, was recognized in 3 newborn infants.
Źródło:
Wiadomości Parazytologiczne; 2002, 48, 3; 293-299
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 29

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