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Provenance analyses of the Late Cretaceous : Palaeocene deposits of the Magura Basin (Polish Western Carpathians) : evidence from the heavy minerals study

Provenance analyses of the Late Cretaceous : Palaeocene ...

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dc.contributor.author Oszczypko, Nestor [SAP11011866] pl
dc.contributor.author Salata, Dorota [SAP11018120] pl
dc.date.accessioned 2016-11-10T09:26:43Z
dc.date.available 2016-11-10T09:26:43Z
dc.date.issued 2005 pl
dc.identifier.issn 0001-5709 pl
dc.identifier.uri http://ruj.uj.edu.pl/xmlui/handle/item/32244
dc.language eng pl
dc.rights Dodaję tylko opis bibliograficzny *
dc.rights.uri *
dc.title Provenance analyses of the Late Cretaceous : Palaeocene deposits of the Magura Basin (Polish Western Carpathians) : evidence from the heavy minerals study pl
dc.type JournalArticle pl
dc.description.physical 237-267 pl
dc.description.additional Bibliogr. s. 263-267 pl
dc.identifier.weblink https://geojournals.pgi.gov.pl/agp/article/view/10256 pl
dc.abstract.en The Late Cretaceous - Palaeocene sequence of the Magura Nappe in Poland is underlain by the Albian-Cenomanian spotty marls at the base and overlapped by the PalaeoccnelEarly Eocene variegated shales at the top. The spotty marls arc followed by variegated shales and then by turbiditic deposits. The upper boundary of the variegated shales is diachronous - older in the Rata zone (Santonian) and younger in the Klynica zone (Campanian/Maastrichtian). The turbiditic deposits of the marginal (northern) zone of the Magura Nappe display palaeocurrent directions from the NW in the western part and from the NE in the eastern part. In other parts of this unit palaeocurrent directions from the SE and E were observed. The northern source area of the Magura Basin is commonly connected with the Silesian Ridge, while the south-eastern one could be connected with an accreted fragment of the Inner Carpathians. The heavy mineral assemblages of the Magura Nappe are dominated by stable and ultrastable species. Chromian spinels occur additionally in the Krynica zonc and to some extent in the Bystrica and Raca zones. Investigation of the chemical composition of the heavy minerals showed that that the southern source area was built of low- to medium-grade metamorphic rocks, as well as igneous rocks associated with ophiolite sequences. The chemical composition of minerals deriving from the NW indicates that they Clystallized mainly in low- to high-grade metamorphic rocks and granitoids. pl
dc.subject.en heavy minerals pl
dc.subject.en source areas pl
dc.subject.en palaeogeography pl
dc.subject.en Late Cretaceous - Palaeocene pl
dc.subject.en Magura Basin pl
dc.description.volume 55 pl
dc.description.number 3 pl
dc.identifier.eissn 2300-1887 pl
dc.title.journal Acta Geologica Polonica pl
dc.language.container eng pl
dc.date.accession 2016-05-09 pl
dc.affiliation Wydział Biologii i Nauk o Ziemi : Instytut Nauk Geologicznych pl
dc.subtype Article pl
dc.rights.original OTHER; otwarte czasopismo; ostateczna wersja wydawcy; w momencie opublikowania; 0; pl


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