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Ordovician graptolite biostratigraphy of the Röstånga-2 drill core (Scania, southern Sweden)

Maletz, Jörg LU ; Ahlberg, Per LU and Lundberg, Frans LU (2020) In GFF 142(3). p.206-222
Abstract

The graptolite biostratigraphy of the 116.11-m-long Röstånga-2 drill core from Scania, southern Sweden, includes the Darriwilian (Middle Ordovician) Holmograptus lentus, Nicholsonograptus fasciculatus, Pterograptus elegans, Pseudamplexograptus distichus and Jiangxigraptus vagus biozones, and the lower Sandbian (Upper Ordovician) Nemagraptus gracilis Biozone. The early Darriwilian Komstad Limestone was not reached. The succession includes numerous levels of brecciated rocks and slickensides, suggesting considerable tectonic deformation and possible gaps. The boundary between the Almelund Shale Formation (below) and the Sularp Shale Formation (above) has been identified at 19.55–19.70 m, where the Fågelsång Phosphorite Bed has been... (More)

The graptolite biostratigraphy of the 116.11-m-long Röstånga-2 drill core from Scania, southern Sweden, includes the Darriwilian (Middle Ordovician) Holmograptus lentus, Nicholsonograptus fasciculatus, Pterograptus elegans, Pseudamplexograptus distichus and Jiangxigraptus vagus biozones, and the lower Sandbian (Upper Ordovician) Nemagraptus gracilis Biozone. The early Darriwilian Komstad Limestone was not reached. The succession includes numerous levels of brecciated rocks and slickensides, suggesting considerable tectonic deformation and possible gaps. The boundary between the Almelund Shale Formation (below) and the Sularp Shale Formation (above) has been identified at 19.55–19.70 m, where the Fågelsång Phosphorite Bed has been identified tentatively in the Jiangxigraptus vagus Biozone. The first specimens of Nemagraptus gracilis appear higher in the succession. The international correlation of the Darriwilian graptolite succession is discussed.

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publication status
published
subject
keywords
biostratigraphy, Darriwilian, graptolites, Ordovician, Sandbian, Scania, Sweden
in
GFF
volume
142
issue
3
pages
17 pages
publisher
Taylor & Francis
external identifiers
  • scopus:85085302283
ISSN
1103-5897
DOI
10.1080/11035897.2020.1739743
language
English
LU publication?
yes
id
e7597a80-4eba-485a-a3b4-088df9d2ee79
date added to LUP
2020-06-26 11:08:24
date last changed
2022-04-18 23:04:48
@article{e7597a80-4eba-485a-a3b4-088df9d2ee79,
  abstract     = {{<p>The graptolite biostratigraphy of the 116.11-m-long Röstånga-2 drill core from Scania, southern Sweden, includes the Darriwilian (Middle Ordovician) Holmograptus lentus, Nicholsonograptus fasciculatus, Pterograptus elegans, Pseudamplexograptus distichus and Jiangxigraptus vagus biozones, and the lower Sandbian (Upper Ordovician) Nemagraptus gracilis Biozone. The early Darriwilian Komstad Limestone was not reached. The succession includes numerous levels of brecciated rocks and slickensides, suggesting considerable tectonic deformation and possible gaps. The boundary between the Almelund Shale Formation (below) and the Sularp Shale Formation (above) has been identified at 19.55–19.70 m, where the Fågelsång Phosphorite Bed has been identified tentatively in the Jiangxigraptus vagus Biozone. The first specimens of Nemagraptus gracilis appear higher in the succession. The international correlation of the Darriwilian graptolite succession is discussed.</p>}},
  author       = {{Maletz, Jörg and Ahlberg, Per and Lundberg, Frans}},
  issn         = {{1103-5897}},
  keywords     = {{biostratigraphy; Darriwilian; graptolites; Ordovician; Sandbian; Scania; Sweden}},
  language     = {{eng}},
  month        = {{05}},
  number       = {{3}},
  pages        = {{206--222}},
  publisher    = {{Taylor & Francis}},
  series       = {{GFF}},
  title        = {{Ordovician graptolite biostratigraphy of the Röstånga-2 drill core (Scania, southern Sweden)}},
  url          = {{http://dx.doi.org/10.1080/11035897.2020.1739743}},
  doi          = {{10.1080/11035897.2020.1739743}},
  volume       = {{142}},
  year         = {{2020}},
}