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Bacterial influence on speleothem oxygen isotope composition : an example based on cave pisoids from Perlová Cave (Slovakia)

Bacterial influence on speleothem oxygen isotope ...

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dc.contributor.author Gradziński, Michał [SAP11015154] pl
dc.date.accessioned 2018-10-25T13:32:09Z
dc.date.available 2018-10-25T13:32:09Z
dc.date.issued 2003 pl
dc.identifier.issn 1335-0552 pl
dc.identifier.uri https://ruj.uj.edu.pl/xmlui/handle/item/58716
dc.language eng pl
dc.rights Uznanie autorstwa - Użycie niekomercyjne - Bez utworów zależnych 4.0 Międzynarodowa *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/legalcode *
dc.title Bacterial influence on speleothem oxygen isotope composition : an example based on cave pisoids from Perlová Cave (Slovakia) pl
dc.type JournalArticle pl
dc.description.physical 199-204 pl
dc.description.additional Bibliogr. s. 203-204 pl
dc.identifier.weblink http://www.geologicacarpathica.com/browse-journal/volumes/54-3/article-158/ pl
dc.abstract.en The origin of recently growing irregular cave pisoids in Perlova Cave (Velká Fatra Mts, Slovakia) seems to be due to the activity of hydrogen-oxidizing bacteria. Several samples of water and freshly deposited calcite from cave pisoids were analysed for stable oxygen isotope ratios. The obtained values were checked using the O’Neil equation. Almost all the calcite samples display values more positive than their calculated counterparts. This phenomenon is ascribed to a fractionation process mediated by bacteria. The light isotope of oxygen is preferentially taken up by the hydrogen-oxidizing bacteria. It causes the relative enrichment in the heavy isotope in the bacterias’ surroundings, which is recorded in the calcite precipitated around the bacterial cells. pl
dc.subject.en Velká Fatra Mts pl
dc.subject.en stable oxygen isotopes pl
dc.subject.en bacterial influence pl
dc.subject.en speleothems pl
dc.description.volume 54 pl
dc.description.number 3 pl
dc.identifier.eissn 1336-8052 pl
dc.title.journal Geologica Carpathica pl
dc.language.container eng pl
dc.date.accession 2018-10-22 pl
dc.affiliation Wydział Biologii i Nauk o Ziemi : Instytut Nauk Geologicznych pl
dc.subtype Article pl
dc.rights.original CC-BY-NC-ND; otwarte czasopismo; ostateczna wersja wydawcy; w momencie opublikowania; 0 pl
dc.identifier.project ROD UJ / OP pl


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zależnych 4.0 Międzynarodowa Except where otherwise noted, this item's license is described as Uznanie autorstwa - Użycie niekomercyjne - Bez utworów zależnych 4.0 Międzynarodowa