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Terreneuvian acritarch assemblages of the Holy Cross Mountains – a new approach

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dc.abstract.enRock samples from four boreholes and three exposures located in the southern peripheries of the Holy Cross Mountains in Poland, from strata representing the lower Cambrian Czarna Shale Formation have been studied palynologically. A relatively numerous and well-preserved lowermost Cambrian microfloral assemblage corresponds to coeval associations known from different palaeocontinents. Our new data enables reinterpretation of the biostratigraphy of the Czarna Formation, a thick rock unit basically devoid of macrofossils. The rocks analysed represent the Terreneuvian and comparison with other lower Cambrian successions indicates the middle and upper part of this oldest Cambrian series. The discovery of Variosphaeridium gen. nov. supplements information about the diversity of lowermost Cambrian microfloral assemblages. The Fimbriaglomerella membranacea–Globosphaeridium cerinum Assemblage Zone is introduced; it has a transitional character between the Asteridium tornatum–Comasphaeridium velvetum and Skiagia ornata–Fimbriaglomerella membranacea assemblage zones distinguished by Moczydłowska (1991) and identified on most Cambrian palaeocontinents.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorSzczepanik, Zbigniew
dc.contributor.authorŻylińska, Anna
dc.date.accessioned2024-01-26T09:43:34Z
dc.date.available2024-01-26T09:43:34Z
dc.date.issued2021
dc.description.accesstimeBEFORE_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number2
dc.description.versionFINAL_PUBLISHED
dc.description.volume65
dc.identifier.doi10.7306/GQ.1601
dc.identifier.issn1641-7291
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/121718
dc.identifier.weblinkhttps://gq.pgi.gov.pl/article/view/31419
dc.languageeng
dc.pbn.affiliationearth and related environmental sciences
dc.relation.ispartofGeological Quarterly
dc.relation.pages29
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleTerreneuvian acritarch assemblages of the Holy Cross Mountains – a new approach
dc.typeJournalArticle
dspace.entity.typePublication