Ulsteinvik, Ulstein, Møre og Romsdal, Norge
Sørøyane Islands (west of Hareidlandet) show numerous outcrops of UHP eclogites, in a zone located aroud Ulsteinvik.
Kyanite eclogites from Ulsteinvik underwent retrogression to granulitic and amphibolitic assemblages during exhumation.
Hydrated zones show a replacement of eclogites by symplectites and plagioclase-bearing assemblages.
Echelon microfractures show complex assemblages with sapphirine, corundum, diopside and plagioclase.
References
- Straume, A. K. & Austrheim, H. (1999): Importance of fracturing during retro-metamorphism of eclogites.Journal of Metamorphic Geology. 17, 637-652
- Carswell,D. A.; Brueckner, H. K.; Cuthbert, S. J., Mehta,K. & O'Brien. P. J. (2003): The timing of stabilisation and the exhumation rate for ultra-high pressure rocks in the Western Gneiss Region of Norway. Journal of Metamorphic Geology. 21, 601-612
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