Articles | Volume 16, issue 3
https://doi.org/10.5194/se-16-233-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-16-233-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Mar 2025
Research article |
| 13 Mar 2025
| 13 Mar 2025
Hydroxyl in eclogitic garnet, orthopyroxene, and oriented inclusion-bearing clinopyroxene, western Norway
Dirk Spengler
CORRESPONDING AUTHOR
Department of Mineralogy, Petrography and Geochemistry, AGH University of Krakow, al. A. Mickiewicza 30, 30-059 Krakow, Poland
Monika Koch-Müller
Deutsches GeoForschungsZentrum GFZ, Telegrafenberg, 14473 Potsdam, Germany
Adam Włodek
Department of Mineralogy, Petrography and Geochemistry, AGH University of Krakow, al. A. Mickiewicza 30, 30-059 Krakow, Poland
Simon J. Cuthbert
Department of Mineralogy, Petrography and Geochemistry, AGH University of Krakow, al. A. Mickiewicza 30, 30-059 Krakow, Poland
Jarosław Majka
Department of Mineralogy, Petrography and Geochemistry, AGH University of Krakow, al. A. Mickiewicza 30, 30-059 Krakow, Poland
Department of Earth Sciences, Uppsala University, Villavägen 16, 752-36 Uppsala, Sweden
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Short summary
Western Norwegian “diamond facies” eclogite contains tiny mineral inclusions of quartz and amphibole lamellae that are not stable in the diamond field. Low trace amounts of water in the lamellae-bearing host minerals suggest that the inclusion microstructure was not formed by fluid infiltration but by dehydration during early exhumation of these rocks. Some samples with higher water content argue that a late fluid overprint was spatially restricted and erased evidence of extreme metamorphism.
Western Norwegian “diamond facies” eclogite contains tiny mineral inclusions of quartz and...
