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The Mesoproterozoic (1.47-1.44 Ga) orogenic magmatism in Fennoscandia; Baddeleyite U-Pb dating of a suite of massif-type anorthosites in S Sweden

Brander, Linus and Söderlund, Ulf LU (2009) In International Journal of Earth Sciences 98(3). p.499-516
Abstract
The Jonkoping Anorthositic Suite (JAS) in S. Sweden has characteristics typical for (Proterozoic) massif-type anorthosites. The interstitial liquid of these plagioclase-porphyritic rocks solidified at 1,455 +/- A 6 Ma, as determined by U-Pb isotope analysis of baddeleyite. The JAS developed during a regional 1.47-1.44 event in Fennoscandia that generated widespread mafic magmatism (basalts, and diabase dykes and sills) in the north and emplacement of felsic plutons in the south. The event of 1.47-1.44 Ga magmatism in Fennoscandia largely coincides in age with dynamic high-grade metamorphism in SW Sweden and was probably related to convergent active-margin processes during the Danopolonian orogeny.
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Fennoscandia, anorthosites, massif-type, baddeleyite, Danopolonian
in
International Journal of Earth Sciences
volume
98
issue
3
pages
499 - 516
publisher
Springer
external identifiers
  • wos:000264482600002
  • scopus:63649158705
ISSN
1437-3254
DOI
10.1007/s00531-007-0281-0
language
English
LU publication?
yes
id
b7a82414-7350-4735-9eeb-f6133e6dac4c (old id 617876)
date added to LUP
2007-12-18 10:50:31
date last changed
2017-11-19 03:25:01
@article{b7a82414-7350-4735-9eeb-f6133e6dac4c,
  abstract     = {The Jonkoping Anorthositic Suite (JAS) in S. Sweden has characteristics typical for (Proterozoic) massif-type anorthosites. The interstitial liquid of these plagioclase-porphyritic rocks solidified at 1,455 +/- A 6 Ma, as determined by U-Pb isotope analysis of baddeleyite. The JAS developed during a regional 1.47-1.44 event in Fennoscandia that generated widespread mafic magmatism (basalts, and diabase dykes and sills) in the north and emplacement of felsic plutons in the south. The event of 1.47-1.44 Ga magmatism in Fennoscandia largely coincides in age with dynamic high-grade metamorphism in SW Sweden and was probably related to convergent active-margin processes during the Danopolonian orogeny.},
  author       = {Brander, Linus and Söderlund, Ulf},
  issn         = {1437-3254},
  keyword      = {Fennoscandia,anorthosites,massif-type,baddeleyite,Danopolonian},
  language     = {eng},
  number       = {3},
  pages        = {499--516},
  publisher    = {Springer},
  series       = {International Journal of Earth Sciences},
  title        = {The Mesoproterozoic (1.47-1.44 Ga) orogenic magmatism in Fennoscandia; Baddeleyite U-Pb dating of a suite of massif-type anorthosites in S Sweden},
  url          = {http://dx.doi.org/10.1007/s00531-007-0281-0},
  volume       = {98},
  year         = {2009},
}