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The Jurassic-Cretaceous transition of Southern Sweden - palynological and sedimentological interpretation

Vajda, Vivi LU and Wigforss-Lange, Jane LU (2006) In Progress in Natural Science 16(Suppl. 1). p.31-38
Abstract
Palynological studies on the Vitaback Clay help resolve the position of the Jurassic-Cretaceous boundary in southern Sweden. Well-preserved assemblages of terrestrial pollen and spores, together with abundant algae (Botrycoccus), and for the first time, dinoflagellates have been identified in the Vitaback Clay. A Berriasian age is corroborated for the Vitaback Clay based on the palynological data; the Jurassic-Cretaceous boundary being placed around the contact of this unit with the underlying "Nytorp Sand". The terrestrial vegetation was dominated by coniferous forest with an understorey of ferns in a warm, temperate climate. The palynoflora shows compositional similarities to the Northern Chinese Floral Province and especially the Jehol... (More)
Palynological studies on the Vitaback Clay help resolve the position of the Jurassic-Cretaceous boundary in southern Sweden. Well-preserved assemblages of terrestrial pollen and spores, together with abundant algae (Botrycoccus), and for the first time, dinoflagellates have been identified in the Vitaback Clay. A Berriasian age is corroborated for the Vitaback Clay based on the palynological data; the Jurassic-Cretaceous boundary being placed around the contact of this unit with the underlying "Nytorp Sand". The terrestrial vegetation was dominated by coniferous forest with an understorey of ferns in a warm, temperate climate. The palynoflora shows compositional similarities to the Northern Chinese Floral Province and especially the Jehol Group. The majority of the Vitaback Clay represents a moderate-to low-energy paralic succession. However, the basal part of the unit incorporates anomalously coarse material of mixed terrestrial and marine origin. This sedimentary package is herein interpreted to represent tsunami deposits and is similar to coeval tsunami-related deposits in France. (Less)
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author
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organization
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type
Contribution to journal
publication status
published
subject
keywords
Sweden, Cretaceous, Jurassic, palynology, tsunami
in
Progress in Natural Science
volume
16
issue
Suppl. 1
pages
31 - 38
publisher
Taylor & Francis
external identifiers
  • wos:000240034200005
  • scopus:33748923965
ISSN
1002-0071
DOI
10.1080/10020070612330073
language
English
LU publication?
yes
id
2707672a-d20b-4b52-a4f1-c754a6b727dd (old id 394959)
date added to LUP
2016-04-01 16:12:24
date last changed
2021-06-23 01:45:47
@article{2707672a-d20b-4b52-a4f1-c754a6b727dd,
  abstract     = {Palynological studies on the Vitaback Clay help resolve the position of the Jurassic-Cretaceous boundary in southern Sweden. Well-preserved assemblages of terrestrial pollen and spores, together with abundant algae (Botrycoccus), and for the first time, dinoflagellates have been identified in the Vitaback Clay. A Berriasian age is corroborated for the Vitaback Clay based on the palynological data; the Jurassic-Cretaceous boundary being placed around the contact of this unit with the underlying "Nytorp Sand". The terrestrial vegetation was dominated by coniferous forest with an understorey of ferns in a warm, temperate climate. The palynoflora shows compositional similarities to the Northern Chinese Floral Province and especially the Jehol Group. The majority of the Vitaback Clay represents a moderate-to low-energy paralic succession. However, the basal part of the unit incorporates anomalously coarse material of mixed terrestrial and marine origin. This sedimentary package is herein interpreted to represent tsunami deposits and is similar to coeval tsunami-related deposits in France.},
  author       = {Vajda, Vivi and Wigforss-Lange, Jane},
  issn         = {1002-0071},
  language     = {eng},
  number       = {Suppl. 1},
  pages        = {31--38},
  publisher    = {Taylor & Francis},
  series       = {Progress in Natural Science},
  title        = {The Jurassic-Cretaceous transition of Southern Sweden - palynological and sedimentological interpretation},
  url          = {http://dx.doi.org/10.1080/10020070612330073},
  doi          = {10.1080/10020070612330073},
  volume       = {16},
  year         = {2006},
}