Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • 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
Palaeocene–Eocene miospores from the Chicxulub impact crater, Mexico. Part 1:spores and gymnosperm pollen
Louisiana State University.
Louisiana State University.
Cleveland Museum of Natural History.
Louisiana State University.
Show others and affiliations
2020 (English)In: Palynology, ISSN 0191-6122, E-ISSN 1558-9188, Vol. 44, p. 473-487Article in journal (Refereed) Published
Abstract [en]

In the summer of 2016, the International Ocean Discovery Program (IODP) Expedition 364 coredthrough the post-impact strata of the end-Cretaceous Chicxulub impact crater, Mexico. Core sampleswere collected from the post-impact successions for terrestrial palynological analysis, yielding a rareDanian to Ypresian high-resolution palynological assemblage. This record constitutes one of the firstPalaeocene and Ypresian palynological assemblages from Central America or Mexico, representing amore coastal lowland palaeoenvironment than previous studies from mainland Mexico. Although theabundance of pollen and spores is very low in the Palaeocene carbonates, abundance increases in themore organic-rich shale layers representing the Palaeocene–Eocene Thermal Maximum (PETM) andlater Ypresian. The spores and gymnosperm pollen identified from IODP 364, although rare comparedto the angiosperm pollen, are a diverse mix of cosmopolitan taxa, as well as some characteristic of fossilCentral American assemblages (e.g. Selaginellaceae), and others previously identified from thePaleogene northern Gulf of Mexico coastal plain. The assemblage generally indicates the presence ofnearby moist to seasonally dry lowland tropical forest, with some taxa suggestive of higher elevationforests. Ephedroid pollen grains may be indicative of the presence of more arid conditions.

Place, publisher, year, edition, pages
London: Taylor & Francis, 2020. Vol. 44, p. 473-487
Keywords [en]
Mexico, miospores, Palaeocene, Eocene, Cretaceous–Paleogene boundary
National Category
Other Earth and Related Environmental Sciences
Research subject
Diversity of life; The changing Earth
Identifiers
URN: urn:nbn:se:nrm:diva-4108DOI: 10.1080/01916122.2019.1630860OAI: oai:DiVA.org:nrm-4108DiVA, id: diva2:1511579
Funder
Swedish Research Council, 2019-04061Available from: 2020-12-18 Created: 2020-12-18 Last updated: 2020-12-18Bibliographically approved

Open Access in DiVA

fulltext(4584 kB)131 downloads
File information
File name FULLTEXT01.pdfFile size 4584 kBChecksum SHA-512
0935cc656cafbdd8319a77bd5607259e885cd738f575a49ef09a38510554c9f36407cd4935bdfe6f05f7680eafc06caf78ee42f278c6c90e468c2affca07dfab
Type fulltextMimetype application/pdf

Other links

Publisher's full texthttps://doi.org/10.1080/01916122.2019.1630860

Search in DiVA

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

Search outside of DiVA

GoogleGoogle Scholar
Total: 131 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

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 482 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • 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