It is borrowed from the German word, gneis, formerly also spelled, gneiss, which is probably derived from the.Such rocks are called migmatites.

Gneis outlet

Denkmale des Gerichtsbezirkes Salzburg. Das Markt-, Münz- und Mautrecht verliehen, 1120/30 ist bereits ein Stadtrichter urkundlich erwähnt. 125 2004: Jedermann, Verfilmung durch Christian Stückl. Der Nachfolger von Johann

The minerals are arranged into layers that appear as bands in cross section.It was originally a mining term, meaning a country rock in the Ore Mountains (Erzgebirge) which contained metalliferous veins.

The cores of the continental landmasses are typically composed of such grayish gneisses.Most important dark minerals are hornblende and biotite.Hence, terms like migmatized gneiss are commonly used.