The lujaurites frequently have a parallel-banding or gneissose structure.
2.
The eastern part of the Pyrenees consists largely of granite and gneissose rocks, while in the western part the granite peaks are flanked by layers of limestone.
3.
A subgroup is the andalusite-, staurolite-, kyanite-and sillimanite-schists which usually make their appearance in the vicinity of gneissose granites, and have presumably been affected by contact metamorphism.
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