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Stop 1: Nufenenpass. The region represents the tectonized Mesozoic cover succession of the southern Gotthard massif. The Mesozoic sediments have been folded and thrusted in a series of ‘schuppen’ so that now several repetitions of the succession lie against one another. In addition, the sediments have undergone amphibolite facies metamorphism, with growth of hornblende-garbenschiefer, garnet, staurolite, feldspar and zoisite across schistosity planes.
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Nufenenpass,
Switzerland, looking northwest |
A close-up
of folded sediments at the outcrop scale, Nufenenpass, Switzerland, looking
west |
Stop 2: Overlooking Ticino province, view to southeast
