Gotthard nappe, the geologic structure underlying this mountain range, in older literature called the Gotthard Massif
The northern paragneiss zone contains lenses of various lithologies, such as calcareous schists, amphibolite, eclogite, peridotite (mostly thoroughly serpentinized) and gabbro.
Gotthard Road Tunnel | Gotthard railway | Saint-Gotthard Massif | Gotthard road tunnel | Gotthard Pass | Gotthard of Hildesheim | Gotthard Railway | Gotthard nappe | Gotthard Heinrici | Gotthard Friedrich Stender | Carl Gotthard Langhans |