Proceedings Anniversary Event – 10 International Alpine Workshop ...

Fig. 6: Fold of mountain formation. Folds at the
mountain surface are partly removed by erosion.
The former stratification and the age of the single
layer is mostly reconstructed by "index fossils".
Fig. 7: The siliceous mountains, like the Ötztaler
Alps, existing of primary rocks. In the Palaeozoic,
but also in geologically younger times (Tertiary)
liquid magma emerged from earth’s interior and
forms as granite or basalt the base of the
continental massifs, whicher later were covered
with a slight layer of marine deposits.
Profile through a young volcano which had broken
through the ocean sediments.
(Fig. 5-7 from Reisigl & Keller 1987)
Fig 8: Tectonic overview of Europe (from Westermann 1991)
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