para...

...gneiss
from Black Forest
the rench-gneis
12/08/12

http://en.wikipedia.org/wiki/Paragneiss

http://de.wikipedia.org/wiki/Paragneis

There are famous places in Europe where you can find the paragneis. The Rench-gneiss is very similar to the gneiss from the Arvernian domain in the northwestern Massif Central, France, near Nontron.