Autor: Bukowski, K. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Isotopic events in the Early/Middle Badenian (Miocene) of the Upper Silesia Basin (Central Paratethys)
Autorzy:: Gonera, M.
Bukowski, K.
Powiązania:: https://bibliotekanauki.pl/articles/2059404.pdf
Data publikacji:: 2012
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Middle Miocene
Wielician
Paratethys
foraminifera
stable isotopes
Opis:: Middle Miocene foraminifera from the Skawina Formation of the Upper Silesia Basin have been analysed. The stable oxygen and carbon isotope signatures in Globigerinoides quadrilobatus (shallow pelagic), Globigerina bulloides (deeperpelagic) and Uvigerina spp. (benthic) tests show a temporal pattern of changes in the sections studied. The foraminiferal assemblage biozones of the Badenian that were identified earlier, on the basis of taxonomic composition, correspond to changes in the foraminiferal ẟI8O and ẟI3C values. The CPN7/CPN8 transition - as the Moravian/Wielician border - is marked by distinct isotopic events: a ẟ18O increase (IIAB/IIC boundary) followed by a ẟ13C decrease (IIC/IID boundary).
Źródło:: Geological Quarterly; 2012, 56, 3; 561--568
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Foraminifera in slump deposits of the Badenian (Middle Miocene) Green Stratified Salt in Wieliczka, Poland
Autorzy:: Gonera, M.
Bukowski, K.
d'Obyrn, K.
Wiewiórka, J.
Powiązania:: https://bibliotekanauki.pl/articles/2060503.pdf
Data publikacji:: 2012
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Middle Miocene
Paratethys
salinity crisis
foraminifera
slump processes
Opis:: Taxonomic, quantitative and isotopic study of foraminifera from mudstone and claystone xenoliths incorporated into slump facies of the Stratified Salt Member of the Wieliczka deposit shows that the majority of xenoliths represent the CPN 8 biozone (Wielician substage, Badenian, Middle Miocene). The share of the CPN 7 biozone is minor; it was recorded in two of 26 samples analysed. The source area of xenoliths was the basinal part of the Carpathian Foredeep, located far off the shoreline (shallow-water taxa are not present in the samples); it represents the upper bathyal zone, in oxygenated conditions. Inbenthic, eutrophic and opportunistic foraminifers dominate the benthic environment of the CPN 8 span of time. Increased d18O values of the Globigerina bulloides tests (from +1.7‰ in CPN 7 to +2.3‰ in CPN 8 sediments) was due to the change from the Middle Miocene Climate Optimum to the Middle Miocene Climate Transition at the CPN 7/CPN 8 boundary. This palaeoclimate event is the marker of the Moravian/Wielician chronostratigraphic boundary in the Central Paratethys. The Wielician shows the distinct taxonomic reduction of the Moravian planktonic foraminifera and includes the Globigerina bulloides Acme.
Źródło:: Geological Quarterly; 2012, 56, 4; 869--880
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Wielician (Middle Badenian) foraminifers from the stratotype area : Wieliczka Salt Mine, Poland (Paratethys, Middle Miocene)
Autorzy:: Gonera, M.
Wiewiórka, J.
d'Obyrn, K.
Bukowski, K.
Powiązania:: https://bibliotekanauki.pl/articles/2060050.pdf
Data publikacji:: 2014
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Middle Miocene
foraminifera
Wieliczka Salt Mine
Middle Badenian
Wielician
Opis:: The most abundant benthic foraminifers recorded in the Wielician salt-enclosed xenoliths are: Bulimina spp., Uvigerina spp., Valvulineria complanata, and Cibicides pseudoungerianus. The predominant taxon in the planktonic assemblage is Globigerina bulloides with a median 98.9% in biozone IIC and 89.1% in the later IID. The IIC assemblage differs from the IID one in both taxon composi tion and abundance. The most pronounced differences are those revealed by Valvulineria complanata counts, number of benfhic taxa and the plankfonic/benthic (P/B) rafio. Pseudotriplasia minuta (one of the Wielician index taxa) occurs only in the IID biozone, present in 16 among 28 samples. There is a noticeable difference in sur- face sculpture morphology pattern in the predominant Bulimina and Uvigerina taxa in the IIC versus the IID biozones. There are smooth (Bulimina elongata) and weakly striate (Uvigerina semiornata plexus) forms in the IIC biozone, foll owed by heavily costate (Bulimina striata) and spinose-pustu l ate (Uvigerina orbignyana plexus) forms in the IID. Globigerina druryi and G. decoraperta- the CPN 8 planktonic index taxa - had not been found in the material studied. Globigerinita uvula is un- usually common in the samples studied. The samples analysed display an abundance of Globigerina bulloides typical of the sub-evaporite Wielician. Hence the studied Wielician stratotype area supports the thesis of the Globigerina bulloides Acme as the valid name designation for the substage.
Źródło:: Geological Quarterly; 2014, 58, 3; 427--438
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Geoochrona konserwatorska profilu wzorcowego warstw chodenickich (miocen zapadliska przedkarpackiego)
Geoconservation of the Chodenice Beds stratotype (Miocene of the Carpathian Foredeep)
Autorzy:: Gonera, M.
Wiewiórka, J.
Charkot, J.
Bukowski, K.
Mikulski, D.
Dudek, K.
Powiązania:: https://bibliotekanauki.pl/articles/2074831.pdf
Data publikacji:: 2011
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: warstwy chodenickie
stratotypy
geoochrona konserwatorska
Chodenice Beds
stratotype
geoconservation
Opis:: Stratotypes are indispensable to the correct usage of litho- and chronostratigraphy units. Stratotypes sustainability is the crucial factor. As the sustainability of the Chodenice Beds stratotype became in risk the searching for the substitution site of this type section had been undertaken. Micropaleontological and petrological hallmarks of the unit have been considered and perfectly analogical deposits have been found near by – in the Bochnia Salt Mine. Two of the mine corridors where Chodenice Beds crop out have been selected. The sites are protected as elements of the geocoservation net of the Bochnia Salt Mine, nominated as geological site no. 4 and 21.
Źródło:: Przegląd Geologiczny; 2011, 59, 10; 671-677
0033-2151
Pojawia się w:: Przegląd Geologiczny
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Badenian tuffite levels within the Carpathian orogenic front (Gdów-Bochnia area, Southern Poland): radio-isotopic dating and stratigraphic position
Autorzy:: Bukowski, K.
de Leeuw, A.
Gonera, M.
Kuiper, K. F.
Krzywiec, P.
Peryt, D.
Powiązania:: https://bibliotekanauki.pl/articles/2059026.pdf
Data publikacji:: 2010
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Miocene
Badenian
Carpathian Foredeep
tuffites
dating
Opis:: We present new results of investigation of Middle Miocene Badenian tuffite levels exposed in Southern Poland within the Gdów "embayment" area (tuffites from Wiatowice, upper part of the Skawina Beds, foraminiferal biozone IIg) and compare them with the well known and extensively described Bochnia Tuffite level at Chodenice near Bochnia (upper part of the Chodenice Beds, foraminiferal biozone IIIA). The 4039
Źródło:: Geological Quarterly; 2010, 54, 4; 449-464
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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