Sapphirin lokaliteten, Ivesdalsfjellet, Vikeså, Bjerkreim, Rogaland, Norge
A 400m long and 2 m thick folded layer rich in euhedral sapphirine crystals in a lens with various garnet bearing folded migmatites ( cordierite-spinel-and garnet-cordierite-hypersthene granofelses). The rock is medium-grained except the
sapphirine (about 20 % of the rock) which occurs in about 2 cm long lath-shaped crystals.
The locality is now closed for collecting, protected as area of particular geological interest.
References
- Hermans, G. A. E. M. ; Hakestege, A. L. ; Jansen, J. B. H. & Poorter, R. P. E. (1976): Sapphirine occurence near Vikeså in Rogaland, southwestern Norway. Norsk Geologisk Tidskrift 56 (4): 397-412
- Maijer, C., Hermans, G. A. E. M., Tobi, A. C. & Jansen, J. B. H. (1987): Day 8- The metamorphic envelope of the Rogaland intrusive complex (continuation). in Majier, C. & Padget, P. (eds) (1987): The geology of southernmost Norway: an excursion guide. Norges Geologiske Undersøkelse Special publication no. 1 , 81-87
Mineral List
10 entries listed. 6 valid minerals.
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