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Nusfjord, Flakstadøya Island, Flakstad, Lofoten, Nordland, Norway

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Unique locality of Cl-bearing minerals. Three 0.3 - 3 m thick shear zones occur in a gabbro-anorthosite.
Cl-rich amphibole, with garnet, plagioclase and Ba-, Ti-, Cl-rich biotite in shear zone in 1.8 Gy old noritic granulites.
The Cl-rich amphibole belongs to an amphibolite facies assemblage that replaced the granulite facies during shear deformation associated with the infiltration of a Cl-/Ba-rich fluid.

Mineral List

20 entries listed. 9 valid minerals. 1 erroneous literature entry.

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References

- Kullerud, K. (1996): Chlorine-rich amphiboles: interplay between amphibole composition and an evolving fluid. European Journal of Mineralogy. 8, 355-370
- Kullerud, K. & Erambert, M. (1999): Cl-scapolite, Cl-amphibole and plagioclase equilibria in ductile shear zones at Nusfjord, Lofoten, Norway: Implications for fluid compositional evolution during fluid mineral-interaction in the deep crust. Geochimica and Cosmochimica Acta. 63: 3829-3844

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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