HT peridotites : Spinel lherzolite and harzburgite, layered with parallel bands of pyroxenite (upper mantle cumulate or crystal segregation due to flow crystallization).
These serpentinites are emplaced along the North Pyrenean fault.
They show a deformation foliation parallel to pyroxenite layering.
Location in the uppermost mantle/dismembered lithosphere above an asthenosphere diapir, during the Albian.
Mineral List:11 entries listed. 6 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!