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Tytuł:
Pleistocene speleothem fracturing in the Western Carpathian orogenic foreland : A case study from transtensional setting at the eastern margin of the Bohemian Massif
Autorzy:
Babek, O.
Briestenský, M.
Přecechtělová, G.
Štěpančíková, P.
Hellstrom, J. C.
Drysdale, R. N.
Powiązania:
https://bibliotekanauki.pl/articles/2059654.pdf
Data publikacji:
2015
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
speleothems
U/Th series dating
palaeoseismicity
Pleistocene
Bohemian Massif
Western Carpathians
Opis:
We studied speleothem-fracturing styles and their tectonic context in three cave systems situated in the eastern Bohemian Massif, close to the Western Carpathians orogenic front: the Za hájovnou, Javoříčko, and Mladeč caves. The morphology of the speleothems in particularly thin stalactites, and supporting evidence from the cave interior, indicates a tectonic origin of the breakage. U/Th series dating of the stalactites, supported by Optically Stimulated Luminiscence (OSL) and 14C dating of soft sediments indicate that most of the fracturing occurred in the Upper Pleistocene, with the last fracturing events corresponding to MIS6 and MIS5 stages. OSL dating of faulted soft-sediment infill may even indicate that latest Pleistocene to Early Holocene tectonic events occurred in the Mladeč Cave. The speleothem fracturing is discussed in the regional context of the seismically active Nysa-Morava Zone situated at the junction between the Bohemian Massif (Elbe Fault Zone) and the Western Carpathians. This study provides the first evidence of palaeoseismicity from the subsurface and the oldest dated palaeoseismicity from the contact between the Western Carpathians and the Bohemian Massif.
Źródło:
Geological Quarterly; 2015, 59, 3; 491--506
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wybrane problemy regionalizacji fizycznogeograficznej Centralnych Karpat Zachodnich
Autorzy:
Balon, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/634083.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
physicogeographical regionalization
Western Carpathians
physicogeographical border
regionalizacja fizycznogeograficzna
Karpaty Zachodnie
granica fizycznogeograficzna
Opis:
W artykule autor ukazuje cztery problemy regionalizacji fizycznogeograficznej w słowackiej części Karpat. Należą do nich: granica pomiędzy Małą Fatrą a Magurą Orawską, przynależność fizycznogeograficzna Szypskiej Fatry, przynależność fizycznogeograficzna Szczyrbskiego Działu oraz ranga taksonomiczna Gór Lewockich. Omówiono dotychczasowe rozwiązania tych problemów przez autorów polskich i słowackich, dokonano krytycznej ich oceny i zaproponowano nowe rozwiązania.
The author presents an attempt to solve several problems of physicogeographical divisions in the Slovak part of the Carpathians. Different regionalizations (Hromadka 1956, Kondracki 1978, Mazur, Lukniś 1978, 1982, Czeppe, German 1979, Balon et al. 1995, Balon, Jodłowski 2005) are discussed and then critically evaluated. New solutions proposed are based on the analysis of selected features of natural environment and guided by the principles described in the author’s other paper (Balon 2000). The new course of the border between the Mala Fatra and the Oravska Magura should be delineated along the line: Istebné – Istebnianka stream valley – the pass (865 m a.s.l.) between Mračkovo and Opálené – Plešivský stream valley. The physicogeographical status of the Šipska Fatra massif and the Chočské Vrchy was also the subject of the study. As a result of the analysis of the border between two basins, the Liptovska Kotlina and Spišska Kotlina, a separate physicogeographical region Štrbský Divide was distinguished. The physicogeographical status of the Levočske Vrchy was also taken into consideration. In the author’s opinion those mountains form a macroregion together with the Bachureň Mts. and parts of the Medzihorie Spišsko-Šarišské. Selected issues presented in the paper indicate a need for a more detailed (to the level of microregion) physicogeographical regionalization of the Central Western Carpathians.
Źródło:
Prace Geograficzne; 2012, 128; 29-43
1644-3586
Pojawia się w:
Prace Geograficzne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Slope instability hazard evaluation and landslide sites monitoring in the western Flysch Carpathians (Czech Republic)
Autorzy:
Baroň, I.
Krejčí, O.
Powiązania:
https://bibliotekanauki.pl/articles/1182919.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
osuwiska
geozagrożenia
ocena zagrożeń
litologia
geomorfologia
Karpaty Zachodnie
landslides
geohazards
risk evaluation
lithology
geomorphology
Western Carpathians
Opis:
W lipcu 1997 roku obfite deszcze spowodowały ruchy zboczowe, zwłaszcza utworów fliszowych, w północno-wschodnich Czechach. Kompleksy mezozoiczne i trzeciorzędowe Zachodnich Karpat fliszowych charakteryzują się wysoczyznami i rzeźbą górską, głównie o charakterze erozyjnym i strukturalno-denudacyjnym. Obecnie jest realizowany projekt badawczy, podsumowujący dotychczasowe obserwacje, mający na celu ocenę wpływu morfologii i mechanizmów uruchamiających zjawiska osuwiskowe na obszarach modelowych. Każde lokalne osuwisko, poza oddziaływaniami przyrodniczymi, było także poddane działalności ludzkiej. Do badań wykorzystano kartografię geomorfologiczną, wiercenia rdzeniowe oraz badania geofizyczne. Wiek osuwisk określono na podstawie datowania metodą 14C oraz badaniami palinologicznymi, paleomagnetycznymi i archeologicznymi. W wyniku przeprowadzonych badań ustalono geometrię, mechanizmy oraz możliwy rozwój różnego typu osunięć zboczy. Rejestrację osuwisk prowadzono elektronicznie, duże tereny osuwiskowe dokładnie badano, a wyniki tych badań nanoszono na mapy w skali 1:10 000. Obszary te zostały sklasyfikowane w zależności od stopnia zagrożenia oraz intensywności występowania osuwisk. Mapy prezentujące warunki stabilności terenu stanowią podstawę do tworzenia map zagrożeń osuwiskami. Ocena stabilności terenu, morfologii, warunków geologicznych i hydrogeologicznych pozwala na wyznaczanie quasi-jednorodnych stref o określonym stopniu zagrożenia osuwiskami. Mapy takie wykorzystują władze administracyjne przy tworzeniu planów regionalnych i miejskich.
Źródło:
Polish Geological Institute Special Papers; 2005, 20; 9--13
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new synthesis of the geological structure of Slovakia - the general geological map at 1:200 000 scale
Autorzy:
Bezák, V.
Biely, A.
Elećko, M.
Konećny, V.
Mello, J.
Polák, M.
Potfaj, M.
Powiązania:
https://bibliotekanauki.pl/articles/2059015.pdf
Data publikacji:
2011
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Slovakia
Western Carpathians
geological structures
general
Opis:
Systematic geological mapping of the Slovak Republic territory over the last forty years, when many regional geological maps at 1:50 000 scale were issued, culminated in 2008 and 2009 in a new synthesis of the geological structure of the Western Carpathians on the Slovak territory in the form of a general geological map at 1:200 000 scale. An integral part of this activity was the solving of interregional correlation problems, a settled of tectonic classification of the Western Carpathians as well as a specification of the lithostratigraphical content of the tectonic units. The results of this synthesis are described in this contribution - a brief review of the principal geological units of the Western Carpathians that are depicted in the tectonic interpretation and in the geological sections. The Western Carpathians are geologically divided into the Outer (Flysch Belt) and Inner (Inner Carpathian Block). These two zones are products of the youngest, mainly Neogene Neo-Alpine tectonic activity. Separating the two zones is a tectonic structure - the Klippen Belt -which contains elements from both. The Inner Carpathian Block possesses a Palaeoalpine tectonic pattern composed of crustal tectonic units and superficial nappes. The crustal units are composed of the crystalline basement and its Upper Paleozoic and Mesozoic cover. The basement consists of fragments of Hercynian tectonic units from the Paleozoic phase of crustal evolution. The superficial nappes comprise mostly upper Paleozoic and Mesozoic sequences. Cenozoic deposits and volcanic rocks are deposited on the Palaeoalpine nappe structure.
Źródło:
Geological Quarterly; 2011, 55, 1; 1-8
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contrasting tectonic styles of the western and eastern parts of the Western Carpathian Klippen Belt in Slovakia based on magnetotelluric sounding of deep tectonic structures
Autorzy:
Bezák, Vladimír
Vozár, Ján
Majcin, Dušan
Klanica, Radek
Madarás, Ján
Powiązania:
https://bibliotekanauki.pl/articles/2059582.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Western Carpathians
Klippen Belt
magnetotelluric sounding
subduction
collision
transpression
Opis:
To characterize the deep structure of the Klippen Belt, we made magnetotelluric measurements in profiles across the western and eastern segments in the territory of Slovakia, from which we created 3D models. The models revealed significant differences in tectonic structure between these segments. In the western segment, the Klippen Belt is located in the southern reversing wing of the original subduction flower structure (retroarc thrusting) with an overthrust to the south onto the Inner Western Carpathian units. This structure was later modified by significant transpressional movements. In the eastern segment, the Klippen Belt is primarily an organic part of the accretionary wedge of the Outer Western Carpathians and it is overthrusted onto the Flysch Belt. This was followed by modification of the structures, mostly in a transpressional regime, including local reversing overthrusts and the development of a steep fault boundary, mainly along the southern margin, against the Inner Carpathian Paleogene succession. These differences between the structure of the western and eastern Klippen Belt segments indicate the contrast between the interaction of the western and eastern parts of the Inner Western Carpathians with the European Platform. In the western part, oblique collision and sinistral transpression dominate. In the eastern part, by contrast, subduction and orthogonal collision dominated over later transpressional modifications.
Źródło:
Geological Quarterly; 2021, 65, 2; 65: 25
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Piping in loess-like and loess-derived soils : case study of Halenkovice site, Czech Republic
Autorzy:
Bíl, M.
Kubeček, J.
Powiązania:
https://bibliotekanauki.pl/articles/191487.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
soil piping
subsurface flow
Outer Western Carpathians
Czech Republic
Opis:
The soil piping that occurs on luvisols in the vicinity of the village of Halenkovice was studied for 5 years. These piping phenomena can only be found where arable land meets the forest or a belt of shrubbery. If there is a scarp in the locality, which usually changes from 6° in the field to approximately 30° in the forest, soil pipes are more likely to occur. Before the scarp, the slope flattens out and it is almost horizontal. This factor makes it possible for the overland flow to seep into the slope. This seepage results in soil piping, which is formed in loess loam and colluvial deposits. There are about 15 sites in the vicinity of the village of Halenkovice, where soil piping occurs. In one of them, Halenkovice 1 (an area of 900 m2) we closely studied 47 partial cavities. Their internal volume is 3.8 m3. The volume of the sink holes is 23 m3. There are two types of soil pipes – vertical, which on average tend to be shorter (40 cm) and lead the water under the surface, and soil pipes parallel with the slope, which are on average 81 cm long. Water flows through the pipes during a thaw or precipitation, which often takes away the top soil. The intensity of this process depends on the intensity of precipitation, which occurs outside the growing season, when there are no crops in the fields.
Źródło:
Annales Societatis Geologorum Poloniae; 2012, 82, 1; 45--50
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The identification of neotectonics based on changes of valley floor width
Autorzy:
Bil, M.
Powiązania:
https://bibliotekanauki.pl/articles/294316.pdf
Data publikacji:
2002
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
Outer Western Carpathians
flysch
neotectonics
morphometry
topographic maps analysis
valley floor width
Opis:
This paper concerns the identification of neotectonics structures on the basis of topographic maps analysis. The investigation parameter is valley floor width (VFW), this being applied to the drainage basin of the BeCva river, Czech Republic. It is firstly necessary to determine the theoretic profile of the VFW downstream increment. For its construction the magnitudo was used (Shreve, 1966). Then, the differences between the real VFW and the theoretical VFW were calculated. The differences were classified according to the associated bedrock lithology. The sections where differences were widely divergent from the average are assumed to be have been affected by neotectonics.
Źródło:
Landform Analysis; 2002, 3; 77-85
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chromian spinels from the Magura Unit (Western Carpathians, Eastern Slovakia) : their petrogenetic and palaeogeographic implications
Autorzy:
Bónová, K.
Špisiak, J.
Bóna, J.
Kováčik, M.
Powiązania:
https://bibliotekanauki.pl/articles/2060358.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Western Carpathians
Magura Basin
provenance
detrital chromian spinel
geochemistry
Opis:
Detrital chromian spinels in sedimentary rocks provide much information concerning the tectonics of their parental ultrabasic rocks. Chromian spinels occurring in the Eocene to Oligocene depos its from the Magura Nappe were exam i ned to provide some constraints on the history of the Magura Basin. The Magura Nappe is a part of the Flysch Belt belonging to the External Western Carpathians. The Magura Nappe is separated by a narrow zone associated with the Pieniny Klippen Belt and is divided into three principal tectono-lithofacies units (from the S to N): the Krynica, Bystrica and Rača units. Cr-spinel is a common accessory mineral (2.3-5.9 vol% of heavy mineral spectra) in the siliciclastic rocks of the Rača and Krynica units. In terms of texture and chemical composition, two types of Cr-spinels were recognized: unaltered and altered. Unaltered spinels were found to contain silicate inclusions such as chromio-pargasite, enstatite, diopside, pargasite, plagioclase and olivine (forsterite). The chromian spinels show wide variations in compositional parameters such as Cr# (0.3-0.7), Mg# (0.3-0.7), TiO2 (<0.03-1.9 wt.%) and Fe2+/Fe3+ (2.5-13) whereas the differences between the Rača and Krynica units are in- significant. These parameters suggest a peridotitic and volcanic origin of the spinels, respectively. The ophiolite source consisting of harzburgitic mantle peridotites was developed mainly in a supra-subduction zone setting; volcanic spinels indicate an origin in mid-ocean ridge basalts, back-arc basin basalts and sporadically in ocean-island basalts. Concerning their geochem i cal features, we propose that during the Eocene to Early Oligocene, the ophiolitic detritus in the eastern part of the Magura Basin deposits may have been derived from a source area located in the Fore-Marmarosh Suture Zone (Eastern Carpathians) that is considered an equivalent of the Black Flysch and Ceahlau units. Some Cr-spinels found in the Eocene sedimentary successions may have resedimented from older Late Cretaceous-Paleocene formations of the Magura Unit, which are considered as reworked sedimentary material from the Pieniny Klippen Belt.
Źródło:
Geological Quarterly; 2017, 61, 1; 3--18
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heavy minerals from sedimentary rocks of the Malcov Formation and their palaeogeographic implications for evolution of the Magura Basin (Western Carpathians, Slovakia) during the Late Eocene–Late Oligocene
Autorzy:
Bónová, K.
Bóna, J.
Kováčik, M.
Laurinc, D.
Powiązania:
https://bibliotekanauki.pl/articles/2059937.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Western Carpathians
Magura Nappe
Malcov Formation
provenance
heavy minerals
mineral composition
Opis:
Detrital heavy minerals separated from the Malcov Fm. deposits (Magura Nappe) indicate their source rocks and areas. The heavy mineral assemblages predominantly consist of garnet, zircon, tourmaline, rutile and Cr-spinel. EPMA analyses reveal a few groups of garnets: zoned and unzoned Grs almandines, Prp-Sps almandines, unzoned Prp almandines, almandines, Sps almandines and rare zoned spessartine grains (~85 mol% Sps). The garnet composition indicates that gneisses, mica schists, amphibolites and granites were their main source rocks, but low-grade metapelites with Mn mineralisation probably contributed as well. The detrital dravitic tourmalines were mostly derived from paragneisses and mica schists. Cr-spinel indicates a volcanic source. Based on heavy mineral assemblages, coupled with palaeoflow analysis, we conclude that the Marmarosh Massif and Fore-Marmarosh Suture are the most probable source areas. Aditionally, the Malcov sedimentary basin was supplied by material from the crystalline complexes of the Tisza Mega-Unit and Pieniny Klippen Belt (PKB). The bulk of the clastic deposits comprise classical turbidites. These lithofacies were deposited from either turbidity currents or from concentrated density flows. The palaeoflow record is varied and highlights the contribution of sedimentary material from several directions and/or diversion of gravity currents from the main flow direction (SE–NW). The marginal parts of the Malcov sub-basins were formed of deformed and uplifted older formations of surrounding units of the Magura Nappe and PKB (submerged ridges). Older (Late Cretaceous to Eocene) flysch sediments may have been redeposited from these ridges to neighbouring sub-basins in a transverse direction (NE–SW).
Źródło:
Geological Quarterly; 2016, 60, 3; 675--694
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genesis and stability of accessory phosphates in silicic magmatic rocks: a Western Carpathian case study
Autorzy:
Broska, I.
Perik, I.
Powiązania:
https://bibliotekanauki.pl/articles/2086551.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
phosphates
monazite
apatite
xenotime
granite
Western Carpathians
Opis:
The formation of accessory phosphates in granites reflects many chemical and physical factors, including magma composition, oxidation state, concentrations of volatiles and degree of differentiation. The geotectonic setting of granites can be judged from the distribution and character of their phosphates. Robust apatite crystallization is typical of the early magmatic crystallization of I-type granitoids, and of late magmatic stages when increased Ca activity may occur due to the release of anorthite from plagioclase. Although S-type granites also accumulate apatite in the early stages, increasing phosphorus in late differentiates is common due to their high ASI. The apatite from the S-types is enriched in Mn compared to that in I-type granites. A-type granites characteristically contain minor amounts of apatite due to low P concentrations in their magmas. Monazite is typical of S-type granites but it can also become stable in late I-type differentiates. Huttonite contents in monazite correlate roughly positively with temperature. The cheralite molecule seems to be highest in monazite from the most evolved granites enriched in B and F. Magmatic xenotime is common mainly in the S-type granites, but crystallization of secondary xenotime is not uncommon. The formation of the berlinite molecule in feldspars in peraluminous melts may suppress phosphate precipitation and lead to distributional inhomogeneities. Phosphate mobility commonly leads to the formation of phosphate veinlets in and outside granite bodies. The stability of phosphates in the superimposed, metamorphic processes is restricted. Both monazite-(Ce) and xenotime-(Y) are unstable during fluid-activated overprinting. REE accessories, especially monazite and allanite, show complex replacement patterns culminating in late allanite and epidote formation.
Źródło:
Mineralogia; 2008, 39, 1/2; 53--65
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genesis and stability of accessory phosphates in silicic magmatic rocks: a Western Carpathian case study
Autorzy:
Broska, Igor
Perik, Igor
Powiązania:
https://bibliotekanauki.pl/articles/2086521.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
phosphates
monazite
apatite
xenotime
granite
Western Carpathians
Opis:
The formation of accessory phosphates in granites reflects many chemical and physical factors, including magma composition, oxidation state, concentrations of volatiles and degree of differentiation. The geotectonic setting of granites can be judged from the distribution and character of their phosphates. Robust apatite crystallization is typical of the early magmatic crystallization of I-type granitoids, and of late magmatic stages when increased Ca activity may occur due to the release of anorthite from plagioclase. Although S-type granites also accumulate apatite in the early stages, increasing phosphorus in late differentiates is common due to their high ASI. The apatite from the S-types is enriched in Mn compared to that in I-type granites. A-type granites characteristically contain minor amounts of apatite due to low P concentrations in their magmas. Monazite is typical of S-type granites but it can also become stable in late I-type differentiates. Huttonite contents in monazite correlate roughly positively with temperature. The cheralite molecule seems to be highest in monazite from the most evolved granites enriched in B and F. Magmatic xenotime is common mainly in the S-type granites, but crystallization of secondary xenotime is not uncommon. The formation of the berlinite molecule in feldspars in peraluminous melts may suppress phosphate precipitation and lead to distributional inhomogeneities. Phosphate mobility commonly leads to the formation of phosphate veinlets in and outside granite bodies. The stability of phosphates in the superimposed, metamorphic processes is restricted. Both monazite-(Ce) and xenotime-(Y) are unstable during fluid-activated overprinting. REE accessories, especially monazite and allanite, show complex replacement patterns culminating in late allanite and epidote formation.
Źródło:
Mineralogia; 2008, 39, 1/2; 53--65
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Precambrian and Palaeozoic basement of the Carpathian Foredeep and the adjacent Outer Carpathians (SE Poland and western Ukraine)
Autorzy:
Buła, Z.
Habryn, R.
Powiązania:
https://bibliotekanauki.pl/articles/191447.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
basement
Carpathians
Carpathian Foredeep
East European Platform
Trans-European Suture Zone
south-eastern Poland
Western Ukraine
Opis:
In south-eastern Poland and western Ukraine, the Outer Carpathian orogen and the Carpathian Foredeep developed in the foreland of the East-European Platform (Baltica). The area consists of a number of tectonic units included in the Trans-European Suture Zone (TESZ): the Łysogóry–Radom and Małopolska blocks in the territory of Poland, and the Rava Rus’ka Zone, Kokhanivka Zone and Leżajsk Massif in the Ukraine. The development of the TESZ began in the (?Middle) Late Neoproterozoic and was associated with rifting processes taking place along the western edge of the East-European Craton (Baltica) during the break-up of the Rodinia/ Pannotia supercontinent. The passive margin of Baltica evolved into the TESZ during collisional and/or strike-slip movements. In the TESZ (Małopolska Block and Leżajsk Massif), Ediacaran flysch-type siliciclastics were affected by weak metamorphism and folding during the Cadomian orogeny. The development of Cambrian deposits in the East-European Craton, Łysogóry–Radom Block, northeastern part of the Małopolska Block (Kielce Fold Belt) and in the Rava Rus’ka and Kokhanivka zones was associated with the post-rift thermal subsidence. Tectonic movements (so-called Sandomierz phase), which occurred probably due to an oblique collision of the Małopolska Block (included into the passive margin of Baltica) and the East-European Craton during late Middle Cambrian to Late Cambrian (possibly also Early Ordovician) times, resulted in the following: (1) development of stratigraphical (?erosional) gaps in the Middle and Upper Cambrian sections of the Lublin–Podlasie slope of the East-European Craton and the Kielce Fold Belt in the Małopolska Block; (2) intense tectonic subsidence of the Łysogóry–Radom Block during the deposition of Middle and Upper Cambrian sediments; (3) development of compressional folds in the Lower Cambrian to lower Middle Cambrian deposits of the Kielce Fold Belt on the Małopolska Block. Ordovician–Silurian series were deposited in a typical flexural foredeep basin, in which subsidence and deposition rates accelerated during Late Silurian (Ludlow–Pridoli) and Early Devonian (Lochkovian) times. It is postulated that the present position of the Małopolska Block relative to the Łysogóry–Radom Block and East-European Craton resulted from post-Silurian dextral movements between the Małopolska Block and the East-European Craton. Devonian–Carboniferous deposits occur only in the Małopolska Block located in the Variscan foreland. The Middle-Late Devonian and Early Carboniferous shallow-marine carbonate platforms developed under an extensional regime. The siliciclastic Upper Visean–Lower Namurian A Culm series were deposited in the flexural Variscan foreland basin. During the Late Namurian A, the Małopolska Block was uplifted in response to the build-up of compressional foreland stresses. During post-Carboniferous times, the Precambrian and Palaeozoic deposits were subject to erosion and restructuring during the Alpine orogeny.
Źródło:
Annales Societatis Geologorum Poloniae; 2011, 81, No 3; 221-239
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New record of macrofungi for the mycobiota of the Cieszyn municipality (Polish Western Carpathians) including new species to Poland
Autorzy:
Chachuła, Piotr
Fiedor, Marek
Rutkowski, Ryszard
Dorda, Aleksander
Powiązania:
https://bibliotekanauki.pl/articles/11543321.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
mycological research
Ascomycota
Basidiomycota
hypogeous fungi
mycorrhizal fungi
parasitic fungi
saprotrophic fungi
mycobiota
Cieszyn commune
Western Carpathians Mountains
Polska
Opis:
In this paper, we present the results of mycological research carried out between 2015 and 2018 in the Cieszyn township, in the Silesian Foothills (Outer Western Carpathians). The list of 417 species of macrofungi from the Cieszyn area reported in our previous study, has been expanded further by the addition of 37 taxa found in the current study. Among these, the following deserve special attention: fungi that are new to Poland’s mycobiota (six species: Bryoscyphus dicrani, Discina martinii, Elaphomyces aculeatus, Tuber brumale, T. foetidum, and Russula cerea), taxa subject to legal protection (four species: Disciotis venosa, Grifola frondosa, Mitrophora semilibera, and Sparassis brevipes), as well as fungi that are rare in Poland, included in national or regional red lists, and in the registers of rare and endangered species (24 species including Amanita echinocephala, Arrhenia retiruga, A. spathulata, Catinella olivacea, Elaphomyces maculatus, Hygrophorus discoxanthus, Ophiocordyceps entomorrhiza, Pluteus diettrichii, Tuber aestivum, and T. fulgens). This paper presents the distribution and location of 32 species of fungi along with a short description and illustration of the macro- and micromorphological features of select species and their habitats.
Źródło:
Acta Mycologica; 2020, 55, 1; 5511
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Type locality of the Mutne Sandstone Member of the Jaworzynka Formation, Western Outer Carpathians
Locus typicus ogniwa piaskowców z mutnego formacji z Jaworzynki w polskich Karpatach zewnętrznych
Autorzy:
Cieszkowski, M.
Golonka, J.
Waśkowska-Oliwa, A.
Chodyń, R.
Powiązania:
https://bibliotekanauki.pl/articles/191712.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Mutne Sandstone Member - a new formal lithostratigraphic unit
Jaworzynka Formation
lithostratigraphy
biostratigraphy
deep-water agglutinated foraminifera
Cretaceous-Palaeocene
Magura Nappe
Western Flysch Carpathians
Opis:
The Mutne Sandstone Member occurs within the Jaworzynka Formation of the Magura Nappe depo- sits, typical for the western marginal Siary subunit. In the area north of Jeleśnia it is represented by the thick sand- stone complex. Typical and complete profile of this division is located in Mutne village next to Jeleśnia, on the slope of Janikowa Grapa Mt. This locality represents the type section for the Mutne Sandstone Member, while three others: Jaworzynka, Rychwałdek and Kuków-Rzyczki serve as reference sections. The age of the Mutne Sandstone Member was determined as Maastrichtian-Palaeocene; but only Maastrichtian is documented by foraminiferal assemblages. The Palaeocene age comes however from the superposition of this lithosom within the Magura Nappe profile. The Campanian/Maastrichtian-Palaeocene complex of Siary Subunit deposits provides the perfect example for application of supersequences to the Western Flysch Carpathian basin. It fits the Upper Zuni IV supersequence and global time slice. The Mutne type locality is also a prime geotourist attraction and object of inanimated nature proposed for protection.
Źródło:
Annales Societatis Geologorum Poloniae; 2007, 77, No 3; 269-290
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Late Albian calcareous dinocysts and calcitarchs record linked to environmental changes during the final phase of OAE 1d – a case study from the Tatra Mountains, Central Western Carpathians
Autorzy:
Ciurej, A.
Bąk, K.
Bąk, M.
Powiązania:
https://bibliotekanauki.pl/articles/2060589.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
calcareous dinocysts
palaeoecology
upper Albian
Oceanic Anoxic Event 1d
Tatra Mts.
Central Western Carpathians
Opis:
Calcareous dinocysts and calcitarchs have been investigated for the first time within the Upper Albian limestone and marl succession of the Zabijak Formation from the High-Tatric Unit in the Tatra Mountains (Central Western Carpathians), related to the Oceanic Anoxic Event 1d (OAE 1d). Four groups of morphotaxa of calcareous dinocysts have been distinguished. They totally dominate the assemblages, and belong to the pithonellids. They are represented by Pithonella sphaerica (Kaufmann in Heer) and P. ovalis (Kaufmann in Heer), which dominate, as well as P. trejoi Bonet and P. lamellata Keupp in Keupp and Kienel, which are less abundant. Two other morphotaxa, Colomisphaera gigantea (Borza) and Cadosina oraviensis Borza, occur sporadically in the assemblages. Both forms represent the calcitarch group, which assembled calcispheres of unknown taxonomic affinity. The calcareous dinocyst and calcitarch diversity is low to moderate, compared to the general species richness known from Late Albian assemblages in other Western Tethyan sections. This is interpreted as a result of nutrient input fluctuations due to changes in the circulation pattern of surface and intermediate waters. The changes in the P. sphaerica/P. ovalis ratio along the Upper Albian section are here correlated with short-term (third-order) sea level fluctuations including transgressive and regressive events and a highstand. Pelletization processes might have influenced cyst abundance on the sea floor, especially during periods with oligotrophic surface waters.
Źródło:
Geological Quarterly; 2017, 61, 4; 887--895
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 112

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