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187RE-187OS evidence for crustal lenses of Svecofennian age within the Mylonite Zone, SW sweden

Scherstn, Anders LU orcid (2002) In GFF 124(1). p.35-39
Abstract

Re and Os concentrations and isotopic composition were analysed in four ultramafic cumulates from the Kedum tectonic lens within the Mylonite Zone, SW Sweden. An 1887±36 Ma isochron is obtained for six samples and interpreted to date the Kedum body. This is significantly older than the -1600-1700 Ma surrounding crust and the first rocks of Svecofennian age west of the Trans Scandinavian Igneous Belt. The initial gOs of 15.7±4.0 indicates contribution from a radiogenic source such as old crust.

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author
publishing date
type
Contribution to journal
publication status
published
keywords
Baltic shield, Dating, Re-Os, Southwest scandinavian domain, Svecofennian, Ultramafic
in
GFF
volume
124
issue
1
pages
5 pages
publisher
Taylor & Francis
external identifiers
  • scopus:1542374491
ISSN
1103-5897
DOI
10.1080/11035890201241035
language
English
LU publication?
no
id
41e81322-7d63-4d59-905f-8de7757740eb
date added to LUP
2025-11-18 15:56:13
date last changed
2025-11-20 11:19:39
@article{41e81322-7d63-4d59-905f-8de7757740eb,
  abstract     = {{<p>Re and Os concentrations and isotopic composition were analysed in four ultramafic cumulates from the Kedum tectonic lens within the Mylonite Zone, SW Sweden. An 1887±36 Ma isochron is obtained for six samples and interpreted to date the Kedum body. This is significantly older than the -1600-1700 Ma surrounding crust and the first rocks of Svecofennian age west of the Trans Scandinavian Igneous Belt. The initial gOs of 15.7±4.0 indicates contribution from a radiogenic source such as old crust.</p>}},
  author       = {{Scherstn, Anders}},
  issn         = {{1103-5897}},
  keywords     = {{Baltic shield; Dating; Re-Os; Southwest scandinavian domain; Svecofennian; Ultramafic}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{35--39}},
  publisher    = {{Taylor & Francis}},
  series       = {{GFF}},
  title        = {{<sup>187</sup>RE-<sup>187</sup>OS evidence for crustal lenses of Svecofennian age within the Mylonite Zone, SW sweden}},
  url          = {{http://dx.doi.org/10.1080/11035890201241035}},
  doi          = {{10.1080/11035890201241035}},
  volume       = {{124}},
  year         = {{2002}},
}