!!!Brettlfenster Brettlfenster (named after the village of Brettl south of Gresten, Lower Austria), geological window 1 km south of the northern fringe of the limestone mountains rock where the underlying flysch zone reaches the surface on an area of around 2 km%%sup 2/%. The Brettlfenster proves that the northern limestone alps were pushed on top of the Alpine foothills. %%language [Back to the Austrian Version|AEIOU/Brettlfenster|class='wikipage austrian'] %% [{FreezeArticle author='AEIOU' template='Lexikon_1995_englisch'}] [{ALLOW view All}][{ALLOW comment All}][{ALLOW edit FreezeAdmin}]