Postal codes in Austria. Postal codes in Austria were introduced in 1966 and consist of four numbers. System. The first indicates the state: 1xxx: Vienna; 2xxx: Lower Austria (east of Vienna) 3xxx: Lower Austria (west of Vienna) 4xxx: Upper Austria; 5xxx: Salzburg and east Upper Austria; 6xxx: Tyrol and Vorarlberg (without East Tyrol) 7xxx: Burgenland; 8xxx: Styria
There are two kinds of schists found in the canyon, either a mica-rich schist, that has a lot of biotite and muscovite mica, or a schist rich in hornblende, a type of mineral called amphibole. A zone of schist crosses the canyon between Gunnison Point and Pulpit Rock Overlook.
Due to the more extreme formation conditions, schist often shows complex folding patterns. There are many varieties of schist and they are named for the dominant mineral comprising the rock, e.g. mica schist, green schist (green because of high chlorite content), garnet schist etc. schist.