This type of rock can be formed via the migmatization of schist, and is classified as primary, injection, ortho, or para.
This type of rock can be formed via the migmatization of schist, and is classified as primary, injection, ortho, or para. The term was first used by miners of the Erzgebirge of Germany and comes from the Slavic for "rotten" or "decomposed", and is characterized by its banded structure in which layers of granular minerals alternate with layers of lamellar minerals. Known commercial as granite, FTP, what is this generic geology term whose name makes it sound friendly?
This type of rock can be formed via the migmatization of schist, and is classified as primary, injection, ortho, or para.
gneiss (prompt on granite)