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Tytuł:
The stratigraphy of the Oligocene deposits from the Ropa tectonic window (Grybów Nappe, Western Carpathians, Poland)
Autorzy:
Oszczypko-Clowes, M.
Powiązania:
https://bibliotekanauki.pl/articles/2060226.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Western Carpathians
Oligocene
calcareous nannoplancton
Opis:
The Ropa tectonic window of the Magura Nappe is composed of Oligocene deposits that belong to the Grybów Nappe. The youngest deposits of the Ropa tectonic window are correlated with calcareous nannoplanton zones NP24 and NP25. The NP24 zone interval was determined in the Sub-Grybów Beds and in the Grybów Marl Formation, whereas the Krosno (Cergowa) Beds belong to zone NP25. This age determination corresponds well with that of other Magura Nappe tectonic windows and also with the southern part of the Silesian and Dukla nappes. The facies and age of the Krosno Beds from the Grybów succession record the termination of Fore-Magura basins. The Grybów Nappe deposits in the Ropa tectonic window are overthrust by Cretaceous-Eocene formations of the Magura Nappe.
Źródło:
Geological Quarterly; 2008, 52, 2; 127-127
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pseudothurmanniid ammonites from quarries near Lietavská Lúčka and their stratigraphical significance (Late Hauterivian, Central Western Carpathians, Slovakia)
Autorzy:
Vašiček, Z.
Malek, O.
Powiązania:
https://bibliotekanauki.pl/articles/2060607.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
ammonites
taxonomy
stratigraphy
Hauterivian
Western Carpathians
Opis:
Pseudothurmanniid ammonites within Upper Hauterivian calcareous deposits are present in quarries on Polomec Hill near the village of Lietavská Lúčka, Slovakia. These deposits belong to the Mráznica Formation of the Krížna Nappe that is a part of the Fatricum Unit in the Central Western Carpathians. Nine ammonite species are described in detail, one of which, Binellicerasmichalíki, is new. The species identified indicate the Upper Hauterivian Balearis and Ohmi ammonite zones. The zone of the uppermost Hauterivian, Catulloi Zone, is not documented as far as pseudothurmanniid ammonites are concerned. The lackof developmentally younger representatives of the pseudothurmanniid ammonites neitherin the studied locali ty, nor in other Slovak locali ties, is explained by marked changes in the northern Tethyan margin in Europe duri ng the latest Hauterivian.
Źródło:
Geological Quarterly; 2017, 61, 3; 613--631
1641-7291
Pojawia się w:
Geological Quarterly
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:
Field mapping of buried faults : a new approach applied in the Western Carpathians
Autorzy:
Marko, F.
Dyda, M.
Gajdoš, V.
Rozimant, K.
Mojzeš, A.
Powiązania:
https://bibliotekanauki.pl/articles/2059816.pdf
Data publikacji:
2015
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
faults
geophysical survey
dowsing
Western Carpathians
Opis:
Fault array in an area covered by Quaternary sediments and deprived of bedrock outcrops was investigated using fault trace mapping by geophysical methods and human feedback information from dowsing. The tectonics in the study area is dominated by a ENE-WSW fault zone affecting regional-scale structures. The fault network was approximated by dowsing-enhanced mapping and subsequently confirmed by field geophysical measurements using electromagnetic and radon emanometry methods. A resultant detailed map of structural discontinuities highlighted that combined dowsing and geophysical survey is an effective and reliable tool to identify buried faults. This approach with its low costs and fast field recognition is highly recommended for construction-work planning and for mineral resources exploration and exploitation.
Źródło:
Geological Quarterly; 2015, 59, 1; 35--46
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Early Cretaceous ammonites and dinoflagellates from the Western Tatra Mountains, Poland
Autorzy:
Vasicek, Z.
Błażejowski, B.
Gaździcki, A.
Król, M.
Lefeld, J.
Skupień, P.
Wierzbowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2082277.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Ammonoidea
Anomiidae
Dinoflagellata
Valanginian
Hauterivian
Western Carpathians
Opis:
The first Early Cretaceous (Valanginian–Hauterivian) ammonite fauna from the lower part of the Kościeliska Marl Formation (Wściekły Żleb Member) of the Lower Sub-Tatric (Krížna) Nappe, in the Lejowa Valley of the Tatra Mountains are described. The fauna is precisely placed in the succession and consists of five species: Olcostephanus densicostatus, Spitidiscus cf. cankovi, Criosarasinella cf. subheterocostata, Crioceratites primitivus, and Crioceratites coniferus and additionally an aptychus Didayilamellaptychus seranonis. Remarkable are the valves of anomiid bivalves attached to body chamber of large size heteromorph ammonite C. primitivus. Moreover, a variety of stratigraphically important organic-walled dinoflagellate cysts are recovered from this locality. Dinoflagellates: Cymososphaeridium validum, Circulodinium vermiculatum, and representatives of Bourkidinium define the Upper Valanginian–Lower Hauterivian Sentusidinium sp. A Dinocyst Subzone of the Cymososphaeridium validum Zone. The character of deposits, the palynofacies, and associations of dinoflagellate cysts indicate a calm marine outer neritic environment.
Źródło:
Acta Palaeontologica Polonica; 2020, 65, 4; 799-810
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
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:
Last scene in the large scale rotations of the Western Carpathians as reflected in paleomagnetic constraints
Autorzy:
Márton, Emö
Powiązania:
https://bibliotekanauki.pl/articles/184758.pdf
Data publikacji:
2020
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Western Carpathians
large scale rotations
paleomagnetic constraints
Opis:
This paper provides an overview of the paleomagnetic results which constrain the post-Paleogene tectonic development of the Western Carpathians. A group of these results are relevant to the last stage of the Tertiary folding and thrusting of the Silesian, Dukla and Magura nappes of the Outer Western Carpathian and were obtained from Paleogene-Lower Miocene flysch sediments. Both the pre- and post-folding remanences indicate about 50° CCW vertical axis rotation with respect to the present orientation. This is about a 60° rotation relative to stable Europe. It follows that the general orientation of the Silesian and more internal nappes were NW-SE, at least until the mid-Miocene. The CCW vertical axis rotation was coordinated with that of the Central Carpathian Paleogene Basin. The termination of the rotation can be estimated from the paleomagnetic data available from the Pieniny andesites which intruded the Pieniny Klippen Belt and the southern part of the Magura Nappe as well as from those obtained for the Neogene intramontane basins which opened up in the Outer and in the Central Western Carpathians. The paleomagnetic vectors for the andesites form two groups. The first group suggests about 45° CCW rotation relative to north, while the second shows no rotation. At the present stage of our knowledge it seems likely that some of the andesite bodies were intruded around 18 Ma, which is the oldest isotope age for the intrusions of the Wżar Mts, while some other bodies could have been emplaced after the rotation, around 11 Ma, which is the youngest isotope age for the Brijarka quarry. Vertical axis CCW rotation was also observed on sediments older than 11.6 Ma in the Orava-Nowy Targ Intramontane Basin which saddles the Magura Nappe and the Central Carpathian Paleogene Basin. However, this rotation was related to fault zone activity and was not attributed to the general rotation of the Outer Western Carpathian nappe system. Paleomagnetic results from the Nowy Sącz Intramontane Basin, which opened over the Magura Nappe, and those for the Central Western Carpathian Turiec Intramontane Basin do not indicate vertical axis rotation. In the first case, the loosely controlled age limit of the termination of the rotation is around 12 Ma. Well constrained results from the second basin imply that the rotation was definitely over by 8 Ma. Based on the above observations, and aware of the problem of often loose age control on the formation and deformation of the deposits of the intramontane basins, it is tentatively concluded that the large scale CCW rotation of the Central Western Carpathians, together with the Magura, Dukla and Silesian nappes, must have started after 18 Ma and terminated around 11 Ma.
Źródło:
Geology, Geophysics and Environment; 2020, 46, 2; 109-133
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphology of Czarna Cave and its significance for the geomorphic evolution of the Kościeliska Valley (Western Tatra Mts)
Morfologia Jaskini Czarnej i jej znaczenie dla geomorfologicznego rozwoju Doliny Kościeliskiej
Autorzy:
Gradziński, M.
Kicińska, D.
Powiązania:
https://bibliotekanauki.pl/articles/191558.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
scallops
cave development
karst hydrology
Western Carpathians
Opis:
Czarna Cave represents phreatic cave with multiple loops. No cave level developed at the water table was detected. The cave was later modified by invasion vadose waters and breakdown processes. The phreatic paleoflow directions were analyse from the asymmetry of scallops. The paleoflow was directed from the east to the west, that is in a direction of the Kościeliska Valley. Therefore, this valley represented the main discharge zone of the region during the formation of Czarna Cave.
Źródło:
Annales Societatis Geologorum Poloniae; 2002, 72, No 3; 255-62
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
„Depositional setting of the Oligocene sequence of the Western Carpathians in the Polish Spisz region : a reinterpretation based on integrated palynofacies and sedimentological analyses” – Reply
Autorzy:
Filipek, A.
Wysocka, A.
Barski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2060460.pdf
Data publikacji:
2018
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Oligocene sequence
Western Carpathians
palynofacies
sedimentological analyses
Opis:
[...]First of all, we would like to note that our reply will concentrate on substantial comments on the presented results or/and questionable interpretations.[...]
Źródło:
Geological Quarterly; 2018, 62, 3; 751--754
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Western Carpathians in the territory of the Czech Republic
Autorzy:
Skupien, P.
Vasicek, Z.
Powiązania:
https://bibliotekanauki.pl/articles/184033.pdf
Data publikacji:
2008
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Karpaty Zachodnie
Czechy
Western Carpathians
Czech Republic
Źródło:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie; 2008, 34, 3/1; 139-149
0138-0974
Pojawia się w:
Geologia / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
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:
Assessment of landslide hazard from tree-ring eccentricity and from compression wood : a comparison
Autorzy:
Łuszczyńska, Katarzyna
Malik, Ireneusz
Wistuba, Małgorzata
Krąpiec, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2058669.pdf
Data publikacji:
2019
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
eccentric growth
reaction wood
landslide activity
Western Carpathians
Opis:
We have compared maps of landslide activity and hazard, developed with the use of two different dendrochronological indicators: tree-ring eccentricity and reaction (compression) wood. The maps were prepared based on 125 Norway spruce (Picea abies L. Karst.) trees growing at 44 sampling points, distributed over an area of 3.75 km2. In general, the two maps show similar patterns of landslide activity. However, tree-ring eccentricity yielded a greater number of dated events (246) compared to compression wood (129). Besides the differences in the absolute values of dating results, the general landslide activity and hazard zonation based on both disturbances are similar. Both growth disturbances develop as a result of stem tilting. Eccentricity develops after slight tilting, while compression wood is developed when tilting is more significant. Because of the differences in the strength of disturbing factors, which cause the development of compression wood and growth eccentricity, the best approach would be to combine the results of dating obtained from the two methods. The dendrochronological analysis of tree growth disturbances (eccentric growth and compression wood) is a promising approach for determining landslide hazards in forested mountain areas and can be applied in spatial management.
Źródło:
Geological Quarterly; 2019, 63, 2; 296--301
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biostratigraphy and palaeoenvironment of the Kimmeridgian-Lower Tithonian pelagic deposits of the Krížna Nappe, Lejowa Valley, Tatra Mts. (southern Poland)
Autorzy:
Jach, R.
Řeháková, D.
Uchman, A.
Powiązania:
https://bibliotekanauki.pl/articles/2060506.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
microfacies
biostratigraphy
calcareous dinoflagellates
calpionellids
Upper Jurassic
Western Carpathians
Opis:
The Upper Jurassic strata of the Krížna Unit in the Tatra Mts. comprises pelagic, fine-grained and well-oxygenated deposits. They are represented by red radiolarites and radiolarian limestones (Czajakowa Radiolarites Formation), red nodular limestones (Czorsztyn Limestones Formation) and wavy, platy or nodular light grey and reddish limestones and marlstones (Jasenina Formation). These deposits are mainly wackestones characterized by a succession of the following microfacies: radiolarian, filament-Saccocoma, Saccocoma and Globochaete–Saccocoma. The section comprises four calcareous dinoflagellate zones, i.e. the Late Kimmeridgian Moluccana Zone, and the Early Tithonian Borzai, Pulla and Malmica zones. In the uppermost part of the studied section, the Early Tithonian Dobeni Subzone of the Chitinoidella Zone has been identified. Using these biostratigraphic data, the sedimentation rate for the Late Kimmeridgian (Borzai Zone) and Early Tithonian (Dobeni Subzone of the Chitinoidella Zone) interval is estimated as 3.7 m/my. This is in accordance with the general trend of increasing sedimentation rate through the Tithonian and Berriasian. The increased supply of clastic material in the Jasenina Formation may have been caused by climate changes and continental weathering. The sedimentation was controlled mainly by eustatic changes and fluctuations in ACD and CCD levels.
Źródło:
Geological Quarterly; 2012, 56, 4; 773--788
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Petrology and palaeotectonic setting of Cretaceous alkaline basaltic volcanismin the Pieniny Klippen Belt (Western Carpathians, Slovakia)
Autorzy:
Spišiak, J.
Plašienka, D.
Bucová, J.
Mikuš, T.
Powiązania:
https://bibliotekanauki.pl/articles/2059013.pdf
Data publikacji:
2011
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Western Carpathians
Pieniny Klippen Belt
Cretaceous
melanephelinite
petrology
geochemistry
Opis:
Occurrences of mafic alkaline volcanics are scattered all around Europe, being mostly related to anorogenic, extensional tectonic environments. While the widespread Cenozoic alkaline basalts have been intensively studied and are comparatively well-known, their Cretaceous precursors were often associated with the Alpine-Carpathian orogenic zones, and so their genesis and geodynamic setting are partially obscured by superimposed deformation and alteration. We describe a newly discovered body of melanephelionites inserted within the Upper Cretaceous deep-marine pelagic succession of the Pieniny Klippen Belt in Western Slovakia. The body consists of hyaloclastic lavas of nephelinitic composition. The mineralogical composition and geochemical features of the Vršatec volcanites correspond to melanephelinites. Reconstruction of the geodynamic setting of the Cretaceous mafic alkaline volcanism in the Alpine-Carpathian-Pannonian realm infers a general extensional/rifting tectonic regime that ultimately led to the opening of Penninic oceanic rift arms. However, this rifting started as basically passive and non-volcanic. Only during the later, post-breakup extension phases did the slow-spreading oceanic ridges develop, which are characterized by the MORB-type (mid-ocean-ridge basin) basaltic volcanism. Alkaline volcanic provinces have a linear character and appear to follow passive continental margins of Penninic oceanic arms opened during the Jurassic and Early Cretaceous. We infer that alkaline volcanism resulted from heating and partial melting of the subcontinental mantle lithosphere on the peripheries of asthenospheric upwellings confined to slow-spreading ridges of the Alpine Tethys. Consequently, regarding the debate about the plume vs. non-plume origin of the Cretaceous alkaline volcanism, the geological data from this area rather support the latter affinity.
Źródło:
Geological Quarterly; 2011, 55, 1; 27-48
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
Wyświetlanie 1-15 z 65

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