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Tytuł:
Late Cretaceous foraminiferids from sections in the Zabratówka area (Skole Nappe, Outer Carpathians)
Autorzy:
Kowalczewska, O.
Gasiński, A.
Powiązania:
https://bibliotekanauki.pl/articles/191830.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Foraminiferids
palaeobathymetry
Late Cretaceous
Maastrichtian
Skole Nappe
Ropianka Formation
Outer Carpathians
Opis:
Well preserved Late Cretaceous–Palaeogene planktonic and benthic foraminiferal assemblages were studied in the Zabratówka section of the Ropianka Formation in the Skole Nappe. The Racemiguembelina fructicosa and Abathomphalus mayaroensis standard foraminiferal biozones were distinguished. The K-T boundary was recognized within the interval between samples ZB10B–ZB9A, mainly composed of marly mudstones, interlayered with thin-bedded sandstones, and is characterized by the disappearance of planktonic taxa and an abundance of agglutinated species. Foraminiferal assemblages, collected from the turbiditic flysch-type sediments, indicate a primary depositional environment on the outer shelf to the upper part of the continental slope, with shallowing during the Maastrichtian in the part of the Skole Basin studied. The foraminiferids correspond to the assemblages of a palaeobiogeographical “transition” zone, located between the Boreal and Tethyan domains.
Źródło:
Annales Societatis Geologorum Poloniae; 2018, 88, 1; 71-85
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heavy minerals from Oligocene sandstones of the Menilite Formation of the Skole Nappe, SE Poland : a tool for provenance specification
Autorzy:
Salata, D.
Uchman, A.
Powiązania:
https://bibliotekanauki.pl/articles/2060508.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
heavy minerals
provenance
Lower Oligocene
Menilite Formation
Skole Nappe
Opis:
Heavy minerals from sandstones belonging mostly to the Boryslav Sandstone and Kliva Sandstone members of the lower part of the Menilite Formation (Oligocene) in the northern part of the Skole Nappe, Polish Carpathians are characterized. In the study area, the sediments were deposited in the Rzeszów and Łańcut channel zones running from the northern margin of the basin. The most frequent heavy minerals in the sandstones examined include zircon, tourmaline, rutile, staurolite, kyanite and garnet. Single grains of andalusite, sillimanite, apatite, epidote, brookite and chrome spinel occur in some samples. The very small content of apatite is related to long, continental weathering in the source area, which is referred to the Paleozoic sedimentary cover of the Małopolska Block and the easternmost part of the Upper Silesian Block. Different preservation states, morphology, degree of roundness and colour varieties suggest that the heavy minerals studied derive from various petrographic types including metamorphic, igneous and sedimentary rocks. However, the Carboniferous and Permian conglomerates and sandstones seem to be the most probable source rocks.
Źródło:
Geological Quarterly; 2012, 56, 4; 803--820
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Advantages and limitations of interpretations of external morphology of detrital zircon: a case study of the Ropianka and Menilite formations (Skole Nappe, Polish Flysch Carpathians)
Autorzy:
Salata, D.
Powiązania:
https://bibliotekanauki.pl/articles/191222.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
detrital zircon
morphology
flysch
Skole Nappe
Outer Carpathians
Opis:
The zircon populations from the Campanian–Maastrichtian part of the Ropianka (Upper Cretaceous– Palaeocene) and Menilite (Oligocene–lower Miocene) formations in the northern part of the Skole Nappe in Poland were examined to evaluate interpretations of the external morphology of detrital zircon in provenance research. The advantage of the zircon typology method, supplemented with elongation measurements, is that it may be applied successfully to comparisons of euhedral zircon populations from sedimentary deposits of different ages and unknown provenance. The zircon typology method, along with elongation measurements of zircons, contributes valuable data that supplement conventional heavy-mineral analyses. It also permits the recognition of potential source areas and rock types for further comparative research.
Źródło:
Annales Societatis Geologorum Poloniae; 2014, 84, 2; 153-165
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Publicisticky funkcní styl ve śkole?
The Functional Style of Journalism in School?
Autorzy:
Šebesta, Karel
Powiązania:
https://bibliotekanauki.pl/articles/1925772.pdf
Data publikacji:
2000-12-31
Wydawca:
Uniwersytet Opolski
Opis:
The author discusses the conception of the functional style of journalism (FSJ) in Czech stylistics of the 1990’s, and its application in an educational environment. He suggests that the conception of FSJ in Czech functional stylistics points in two directions: towards the analysis of the persuasive function, and towards the analysis of media communication. He demonstrates that the combination of both viewpoints in school leads, on the one hand, to a significant reduction in the range of media studies; and on the other, it deflects attention from the study of persuasion. He further demonstrates the possibilities that are offered by a new conception of Czech language teaching, and more extensively discusses a program of education for critical reading and listening.
Źródło:
Stylistyka; 2000, 9; 269-283
1230-2287
2545-1669
Pojawia się w:
Stylistyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paleogene microfossils from the submarine debris flows in the Skole basin (Polish and Ukraine Outer Carpathians)
Autorzy:
Szydło, A.
Garecka, M.
Jankowski, L.
Malata, T.
Powiązania:
https://bibliotekanauki.pl/articles/184324.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
foraminifera
calcareous nannoplankton
biostratigraphy
palaeoenvironment
gravity flow
Skole unit
Outer Carpathians
Opis:
Biostratigraphic analysis of fossils material has allowed the documentation of sediment gravity flows in the Skole basin during the Paleocene and Eocene times, and also in the Eocene-Oligocene transition. This most external basin of the NE Outer Carpathians was a marginal sea especially sensitive to geotectonic instability and relative sea-level change, favoring the development of down slope movements at these times. The dominance of calcareous forms in foraminifera, and a large share of redeposited species among the nanno- and microfossils indicate a close relationship of sediments containing them with the shelf environment and documents not too long transport. Additionally the recycled forms are often well preserved, indicating that the rock contained in flows were only plasticized and hydrated while the material itself was not a subject of significant mechanical processing in contrast to that one, which directly documented down slope moving. The latter forms are bad preserved and their fossil remains are usually corroded, partially dissolved and broken during this process. In addition, the planktonic forms including foraminifera, calcareous dinocysts and nannoplankton allow documenting the time of the final deposition of the sediment transported on slope.
Źródło:
Geology, Geophysics and Environment; 2014, 40, 1; 49-65
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Radiolarian and agglutinated foraminiferal biostratigraphy of the Paleogene deep-water deposits on the northern margin of the Carpathian Tethys (Skole Unit)
Autorzy:
Rajchel, J. M.
Barwicz-Piskorz, W.
Powiązania:
https://bibliotekanauki.pl/articles/2060627.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
radiolaria
foraminifera
Paleocene
Eocene
Skole unit
Outer Carpathians
Opis:
Radiolarian and agglutinated foraminiferal fauna within upper deposits of the Skole Unit of the Polish Flysch Outer Carpathians occur in the Variegated Shale and Hieroglyphic formations of Paleocene and Eocene age. About 70 radiolarian and 50 foraminiferal species have been identified and their stratigraphic distribution determined using both regional and local biozonations. Five radiolarian zones: the Bekoma bidartensis Interval Zone, the Buryella clinata Interval Zone, the Phormocyrtis striata striata Interval Zone, the Theocotyle cryptocephala Interval Zone and the Dictyoprora mongolfieri Interval Zone in the lower Eocene and in the lower part of the middle Eocene have been distinguished. In the upper part of the middle Eocene and in the uper Eocene the abundance of radiolarians decreases and their age assignment has not been possible. Five foraminiferal zones have been distinguished and correlated with radiolarian zones based on co-occurrence of both Protista groups in the deposits investigated. These are: the Rzehakina fissistomata Zone, the Saccamminoides carpathicus Zone, the Reticulophragmium amplectens Zone, the Ammodiscus latus Zone and the Cyclammina rotundidorsata Zone covering the time span from upper Paleocene to upper Eocene.
Źródło:
Geological Quarterly; 2012, 56, 1; 1-24
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detrital tourmaline as an indicator of source rock lithology : an example from the Ropianka and Menilite formations (Skole Nappe, Polish Flysch Carpathians)
Autorzy:
Salata, D.
Powiązania:
https://bibliotekanauki.pl/articles/2059972.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
detrital tourmaline
source rocks
Ropianka Fm.
Menilite Formation
Skole Nappe
Outer Carpathians
Opis:
Tourmaline populations studied from the Campanian-Maastrichtian part of the Ropianka (Upper Cretaceous-Paleocene) and Menilite (Oligocene) formations of the Polish Carpathians, represent a mixture of first-cycle and polycyclic grains. The tourmalines of the deposits studied display very strong resemblance in terms of optical features and chemical composition. They belong mostly to the schorl-dravite series with a minor contribution of tourmalines of foititic or Mg-foititic composition. Euhedral tourmalines originated from metasedimentary rocks, while the rounded grains crystallised in Li-poorgranitic rocks or in pegmatites, Al-poor and Al-rich metasedimentary rocks. Most of the tourmalines studied crystallised during a single igneous or metamorphic event. However, tourmal ines form ng in evolving chemical conditions as well as polymetamorphic grains (having a metamorphic detrital core and metamorphic overgrowths) are also present. The chemical composition of the metamorphic tourmalines studied indicates theirformation in medium-grade metamorphic conditions. This is supported by the crystallisation temperature of the garnet-biotite inclusion present in one of rounded metamorphic tourma l ines from the Ropianka Formation. The euhedral grains derive from metasediments, directly from a massif located close to the Skole Basin. The scarcity of euhedral grains in the tourmaline populations studied suggests that their source rocks were poor in these minerals. The direct sources of rounded tourmalines (most probably polycyclic grains), may have been Paleozoic and Mesozoic sedimentary rocks of the Skole Basin foreland or crystalline rocks of remote source areas. The initial igneous and metamorphic host rocks of the tourma l ines may have been crystall ine domains of the Bohemian Massif and/or the crystalline basement of Brunovistulicum.
Źródło:
Geological Quarterly; 2014, 58, 1; 19--30
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Source rocks for heavy minerals in lower part of Menilite Formation of Skole Nappe (Polish Flysch Carpathians), based on study of detrital garnet and tourmaline
Autorzy:
Salata, D.
Powiązania:
https://bibliotekanauki.pl/articles/191968.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
detrital tourmaline
detrital garnet
provenance
flysch
Menilite Formation
Oligocene
Skole Nappe
Opis:
The study focused on the chemistry of detrital garnet and tourmaline from sediments of the Boryslav and Kliva Sandstone types in the Oligocene part of the Menilite Formation of the Skole Nappe (Western Outer Carpathians, Poland), with regard to provenance. Almandine and almandine-pyrope compositional varieties are the most common garnets, with minor almandine-pyrope-grossular garnet. Scarce garnet grains, with grossular and spessartine as the dominant end-members, are also present. The tourmaline belongs to the alkali tourmaline principal group and represents the schörl-dravite series. The detrital garnet and tourmaline display strong, compositional similarities to minerals, occurring in igneous and metamorphic rocks of the Bohemian Massif, as well as to detrital grains, deposited within the internal basins of the massif. This suggests that the primary rocks for the garnet and tourmaline may be crystalline complexes of the Bohemian Massif. However, other uplifted areas, similar to the complexes of the Bohemian Massif, cannot be ruled out. Such hypothetical areas could be located in the northern foreland of the Carpathian basins. Euhedral tourmaline and other minerals, occurring in the heavy- mineral assemblages studied, most probably were derived from eroded and presently not exposed, crystalline complexes, originally situated in the Skole Basin foreland or within the basin.
Źródło:
Annales Societatis Geologorum Poloniae; 2013, 83, 1; 1-17
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Late Cretaceous Fucoid Marl of the Ropianka Formation in the Kąkolówka Structure (Skole Nappe, Outer Carpathians, Poland) : lithology and foraminiferal biostratigraphy
Autorzy:
Waśkowska, Anna
Joniec, Andrzej
Kotlarczyk, Janusz
Siwek, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/191304.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Skole Basin
Kropivnik Fucoid Marl
Campanian-Maastrichtian
lithostratigraphy
biostratigraphy
foraminifera
Opis:
A 250-m-thick sedimentary succession dominated by siliciclastic deposits occurs in the Kąkolówka Structure of the Skole Nappe. The succession was deposited in the inner part of the Skole Basin during the Late Cretaceous. In position and age, it corresponds to the Kropivnik Fucoid Marl of the Wiar Member (a subdivision of the Ropianka Formation), which was comprehensively described in the external part of the Skole Nappe. In this study, the authors provide the first complete data set on the lithological development and biostratigraphy of the Kropivnik Fucoid Marl from the inner part of the Skole Nappe. The results are compared to previous data from the outer part of the Skole Nappe. In the Kropivnik Fucoid Marl of the Kąkolówka Structure, three main heterolithic facies associations are distinguished: shale-sandstone, marl-sandstone and sandstone-shale. The occurrences of hard, platy and soft marls within siliciclastic rocks are typical of the sections studied. The features observed indicate a turbiditic origin of the deposits studied, including the hard, platy marls. The allogenic material of the strata described includes the small, fragile tests of planktonic foraminifera, which were redeposited from the outer parts of the Skole Basin. Particularly large concentrations of planktonic foraminifera were observed in the hard, platy marls. They are less common in the soft marls and shales. In the Zimny Dział section, a diverse assemblage of benthic and planktonic foraminifera was found. The Kropivnik Fucoid Marl was dated as uppermost Campanian to lowermost Maastrichtian on the basis of planktonic foraminifera, which represent the Gansserina gansseri Zone. The agglutinated foraminiferal assemblages are representative for the lower part of the Rzehakina inclusa Zone and the co-occurrence of the Caudammina gigantea (Geroch) acme with Rzehakina inclusa (Grzybowski) was observed.
Źródło:
Annales Societatis Geologorum Poloniae; 2019, 89, 3; 259-284
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kresowa Atlantyda : historia i mitologia miast kresowych. T. 2, Uzdrowiska i letniska kresowe : Truskawiec, Jaremcze, Worochta, Skole, Morszyn
Uzdrowiska i letniska kresowe : Truskawiec, Jaremcze, Worochta, Skole, Morszyn
Autorzy:
Nicieja, Stanisław Sławomir (1949- ).
Współwytwórcy:
Wydawnictwo MS (Opole). pbl
Data publikacji:
2013
Wydawca:
Opole : Wydawnictwo MS
Tematy:
Historia
Uzdrowiska
Opis:
Bibliogr. s. 272-274. Indeks.
Dostawca treści:
Bibliografia CBW
Książka
Tytuł:
Garnet provenance in mixed first-cycle and poly-cycle heavy-mineral assemblages of the Ropianka and Menilite formations (Skole Nappe, Polish Flysch Carpathians): constraints from chemical composition and grain morphology
Autorzy:
Salata, D.
Powiązania:
https://bibliotekanauki.pl/articles/973614.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
detrital garnet
mixed provenance
protolith location
flysch
Skole Nappe
Carpathians
Opis:
Garnet in heavy-mineral assemblages, occurring in sandstones of the Campanian–Maastrichtian part of the Ropianka (Late Cretaceous–Palaeocene) and Menilite (Oligocene) formations of the Skole Nappe, is present as first-cycle and poly-cycle grains, derived from a proximal source, remote areas and/or from sedimentary rocks of the Skole Basin foreland. The garnets in the formations are compositionally similar, suggesting an origin from the same source rocks. Relatively large amounts of garnet, represented by euhedral or slightly rounded, weakly etched or unetched almandine and spessartine-almandine garnet, and minor pyrope-enriched almandine, were derived directly from a source close to the Skole Basin. These garnets are from sediments, metamorphosed at low- to medium-grade conditions (such as mica-schists, gneisses) and perhaps also granitic bodies. Rounded and variously etched garnets, especially high pyrope-almandine and pyrope-almandine-grossular varieties, but also partly almandine-dominated varieties, are suggested to have been derived from distant sources, such as sedimentary rocks of the Upper Silesian and Małopolska blocks. Rocks, forming uplifted parts of the crystalline basement of Brunovistulicum and/or crystalline domains of the Bohemian Massif, could have been protoliths for part of the almandine-dominated garnet population, whereas pyrope-grossular-almandine garnets may originate from the granulitic, eclogitic or metabasic rocks of the Bohemian Massif. The study shows that analyses of garnet composition, combined with observations on grain textural features and data on the lithology of clasts and pebbles, can permit the determination of sources for different garnet varieties in mixed-provenance populations.
Źródło:
Annales Societatis Geologorum Poloniae; 2013, 83, 3; 161-177
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conventional and high-resolution heavy mineral analyses applied to flysch deposits : comparative provenance studies of the Ropianka (Upper Cretaceous–Paleocene) and Menilite (Oligocene) formations (Skole Nappe, Polish Carpathians)
Autorzy:
Salata, D.
Uchman, A.
Powiązania:
https://bibliotekanauki.pl/articles/2060326.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
heavy minerals
high-resolution
correlation
sedimentary provenance
flysch
Outer Carpathians
Skole Nappe
Opis:
Conventional and high-resolution analyses of heavy minerals from the gravity flow-deposited sandstones of the Campanian–Maastrichtian interval of the Ropianka (Upper Cretaceous–Paleocene) and Menilite (Oligocene) formations of the Polish Carpathians display similar compositions in terms of mineral species. Zircon, tourmaline, rutile, garnet, staurolite and kyanite belong to the main constituents in both formations. Apatite is common in the Ropianka Fm., while the Menilite Fm. almost lacks this mineral. Furthermore, individual hornblende grains were found in the Ropianka Fm., while andalusite is present only in the Menilite Fm. The Ropianka Fm. is relatively richer in zircon, tourmaline, garnet and apatite, while the Menilite Fm. contains more staurolite and kyanite. Zircon and tourmaline colour and morphological varieties are similar in both formations. The similarities of the heavy mineral assemblages studied suggest origin of these minerals from lithologically similar rocks. Negative correlations between the zircon + tourmaline + rutile (ZTR) values and the content of garnet and staurolite in the Ropianka Fm. may indicate, to a large extent, first-cycle delivery of garnet and staurolite to the formation. Negative, but low, correlation valid only for ZTR and garnet and positive correlations for ZTR and staurolite and kyanite in the Menilite Fm. suggest delivery of these minerals from sedimentary rocks or/and palimpsest sediments. The data obtained on mineral relationships and their morphology suggest mixed first-cycle and recycled provenance of the heavy minerals studied. Additionally, the first-cycle material input seems to be larger during the Ropianka Fm. sedimentation, while during the deposition of Menilite Fm. the contribution of material delivered from erosion of recycled sediments appears more prominent. The heavy mineral evidence suggests a change at the northern margin of the Skole Basin from an immature passive margin with a high relief during sedimentation of the Campanian–Maastrichtian part of the Ropianka Fm. to a mature passive margin with a low relief during sedimentation of the Menilite Fm.
Źródło:
Geological Quarterly; 2013, 57, 4; 649--664
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characteristics of dispersed organic matter in the Menilite Beds from the Skole Unit
Charakterystyka rozproszonej materii organicznej w warstwach menilitowych jednostki skolskiej
Autorzy:
Ziemianin, K.
Powiązania:
https://bibliotekanauki.pl/articles/1835269.pdf
Data publikacji:
2018
Wydawca:
Instytut Nafty i Gazu - Państwowy Instytut Badawczy
Tematy:
Menilite Beds
Skole Unit
macerals
vitrinite reflectance
Rock-Eval pyrolysis
warstwy menilitowe
jednostka skolska
macerały
refleksyjność witrynitu
piroliza Rock-Eval
Opis:
Composition and thermal maturity of organic matter components from Menilite Beds (Skole Unit) were analyzed. Samples (26) were collected from 9 outcrops within the investigated area. Samples represented several lithologies – clay and marly shales, mudstones, sandstones/siltstones, micritic limestones and cherts. Macerals of three groups (vitrinite, inertinite and liptinite) are present in the analyzed samples. Macerals of the liptinite group are the most numerous. Within this group, bituminite is most common, while alginite and liptodetrinite are less often observed. Macerals of the vitrinite (collotelinite, telinite, vitrodetrinite) and inertinite (fusinite, semifusinite, inertodetrinite) groups are also present, but their content is significally lower compared to the macerals of the liptinite group. Organic matter within all the investigated area is clearly immature, which is confirmed by both vitrinite reflectance Ro and Tmax parameters. The composition of organic matter relates mostly to kerogen type II and III (and their mixture). Sev- eral relations between Rock-Eval parameters and maceral composition were identified. The obtained results were compared to data from Menilite Beds of the Silesian Unit.
W artykule przeanalizowano skład i dojrzałość materii organicznej obecnej w warstwch menilitowych jednostki skolskiej. Przebadano 26 próbek pochodzących z 9 odsłonięć. Próbki reprezentowały różne odmiany litologiczne – od łupków ilastych, przez ilastowęglanowe, mułowce, piaskowce/pyłowce, po utwory węglanowe i rogowce. W próbkach obserwuje się macerały wszystkich trzech grup tj. witrynitu, inertynitu i liptynitu. Macerały grupy liptynitu zdecydowanie dominują w składzie materii organicznej. Najczęściej jest tu spotykany bituminit, a rzadziej alginit i liptodetrynit. Udział macerałów grupy witrynitu (kolotelinit, telinit, witrodetrynit) oraz inertynitu (fuzynit, semifuzynit oraz inertodetrynit) jest wyraźnie niższy. Materia organiczna jest na całym badanym obszarze niedojrzała, na co wskazują pomiary refleksyjności witrynitu oraz parametr Tmax. Skład materii organicznej odpowiada głównie II oraz III typowi kerogenu, a także ich mieszaninie. Wykazano szereg zależności pomiędzy parametrami geochemicznymi (analiza Rock-Eval), a składem i dojrzałością materii organicznej określonej przy użyciu mikroskopu optycznego. Zbadano również podobieństwa i różnice pomiędzy materią organiczną łupków menilitowych w obrębie jednostki skolskiej i śląskiej.
Źródło:
Nafta-Gaz; 2018, 74, 9; 636-646
0867-8871
Pojawia się w:
Nafta-Gaz
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Late Maastrichtian foraminiferids and diatoms from the Polish Carpathians (Ropianka Formation, Skole Nappe): a case study from the Chmielnik-Grabówka composite section
Autorzy:
Gasiński, M. A.
Olshtynska, A.
Uchman, A.
Powiązania:
https://bibliotekanauki.pl/articles/138777.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Carpathians
Skole Nappe
Cretaceous
microfossils
plankton
foraminiferids
diatoms
flysch
Karpaty
płaszczowina skolska
kreda
mikroskamieniałości
okrzemki
flisz
Opis:
Well-preserved foraminiferids have been found in the Chmielnik-Grabówka section (Skole Nappe, Polish Carpathians). The Abathomphalus mayaroensis (late Maastrichtian) and Racemiguembelina fructicosa (earlylate Maastrichtian) standard planktonic foraminiferal biozones have been recognized, based on the occurrence of their respective index species. Sediments of the R. fructicosa Zone contain diatoms, which are a rare component of Cretaceous flysch microfossil assemblages in the Carpathians. The diatom frustules and some foraminiferid tests are pyritized, probably after burial in the sediment, below the redox boundary or in the oxygen-deficient microenvironment inside the frustules or tests of microfossils; the presence of trace fossils and bioturbational structures in the same bed indicate an oxygenated sea floor.
Źródło:
Acta Geologica Polonica; 2013, 63, 4; 515-525
0001-5709
Pojawia się w:
Acta Geologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 50

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