Flora & Fauna Kategorien: Geology FLORA & Fauna Taxonomy
Amphibolite
The dark mineral amphibole gave this rock its colour and its name: amphibolite.
The light specks come from the mineral feldspar. Amphibolite is the toughest rock in the region. It’s still …
Coralline limestone
In some limestone we find fossilised coral, stemming from a coral reef on the edge of an ocean over 200 million years ago.
Coral polyps are small animals that accumulate limestone, …
Allgau Limestone
Allgau limestone came into being over 150 million years ago in the depths of an ocean.
At that time an ocean arose between Europe and Africa, called the Tethys Ocean. Its …
Cornieule
This rock is a mixture of dolomite and gypsum.
Cornieule – also called crystallized dolomite – is basically a dolomite full of cavities that contain gypsum. Due to dissolution of the …
Dolomite
The so-called “Engadine Dolomites” owe their name to the presence of dolomite rock throughout the region.
Most of the mountains in the National Park consist of dolomite, a yellowish-grey rock that …
Gneiss
When subjected to high temperatures and great pressure, granite is transformed into gneiss.
Gneiss is a metamorphic rock. Its chemical composition is still that of the original granite. However, the distribution …
Radiolarite
Radiolarite is a special kind of rock. It came into being at around 5000 metres below sea level, on the sea floor, and is made of skeletons of radiolarians.
These microscopic …
Dinosaur tracks
In 1961, on a steep rock slab in the Val dal Diavel, geologists discovered fossilized dinosaur tracks.
In 1981 a detailed study of this sensational find was made. Researchers mapped over …
Verrucano
The origin of this rock, an accumulation of debris such as sand and gravel, lies in the dismantling of a mountainous belt that existed long before the formation of the …
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