Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Early Jurassic microbial mats—A potential response to reduced biotic activity in the aftermath of the end-Triassic mass extinction event
Department of Geology, Lund University.
Department of Geology, Lund University.
Swedish Museum of Natural History, Department of Paleobiology. Department of Geology, Lund University, Sweden.ORCID iD: 0000-0003-2987-5559
2016 (English)In: Palaeogeography, Palaeoclimatology, Palaeoecology, ISSN 0031-0182, E-ISSN 1872-616X, Vol. 464, 76-85 p.Article in journal (Refereed) Published
Abstract [en]

Wrinkle structures are microbially induced sedimentary structures (MISS) formed by cyanobacteria and are common in pre-Cambrian and Cambrian siltstones and sandstones but are otherwise rare in the Phanerozoic geological record. This paper reports the first discovery of Mesozoic wrinkle structures from Sweden. These are preserved in fine-grained and organic-rich heterolithic strata of the Lower Jurassic (Hettangian) Höganäs Formation in Skåne, southern Sweden. The strata formed in a low-energy, shallowsubtidal setting in themarginal parts of the Danish rift-basin. Palynological analyses of fine-grained sandstones hosting the wrinkle structures show that the local terrestrial environment probably consisted of a wetland hosting ferns, cypress and the extinct conifer family Cheirolepidaceae. Palynostratigraphy indicates a Hettangian age, stillwithin the floral recovery phase following the end-Triassic mass extinction event. The finding of wrinkle structures is significant as the presence of microbial mats in the shallow subtidal zone, (in a deeper setting compared to where modern epibenthic microbial mats grow) suggests decreased benthic biodiversity and suppressed grazing in shallow marine environments in the early aftermath of the end-Triassic mass extinction event.

Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2016. Vol. 464, 76-85 p.
Keyword [en]
Hettangian, Mass extinction, Microbial mat, Cyanobacteria, Wrinkle structures, Sweden
National Category
Other Earth and Related Environmental Sciences
Research subject
Ecosystems and species history; The changing Earth
Identifiers
URN: urn:nbn:se:nrm:diva-2049DOI: doi.org/10.1016/j.palaeo.2015.12.024OAI: oai:DiVA.org:nrm-2049DiVA: diva2:1055052
Projects
2015-04264 Utgör mass-utdöenden en driftkraft för evolutionen? Studier från krita-paleogengränsenSwedish Research Council 349-2007-8705 Lund University Carbon Cycle Centre (LUCCI)UNESCO-IUGS-IGCP Project 632
Funder
Swedish Research Council, 2015-04264Swedish Research Council, 349-2007-8705
Available from: 2016-12-10 Created: 2016-12-10Bibliographically approved

Open Access in DiVA

fulltext(2728 kB)29 downloads
File information
File name FULLTEXT01.pdfFile size 2728 kBChecksum SHA-512
782faab7d1782ba5a9ab678e40e9e88163993cfc275134d2a9efa7f8a9c784ad7fec7e72cea5adf48e396cc3a4fe8b227314390813fad71e6b3a891310b1a9a7
Type fulltextMimetype application/pdf

Other links

Publisher's full texthttp://dx.doi.org/10.1016/j.palaeo.2015.12.024

Search in DiVA

By author/editor
Vajda, Vivi
By organisation
Department of Paleobiology
In the same journal
Palaeogeography, Palaeoclimatology, Palaeoecology
Other Earth and Related Environmental Sciences

Search outside of DiVA

GoogleGoogle Scholar
Total: 29 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 14 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf