To the schists succeeded gneiss, partially stratified, remarkable for the parallelism and regularity of its lamina, then mica schists, laid in large plates or flakes, revealing their lamellated structure by the sparkle of the white shining mica.

片岩之后是片麻岩，部分分层，因其片层的平行性和规则性而引人注目，然后是云母片岩，铺成大片或片状，通过白色闪亮云母的闪光揭示了它们的层状结构。