MgO versus FeOi, , i diagram for fresh and overprinted pyrope quartzite as well as phengite-biotite gneiss (filled boxes), augen-gneiss (half-filled box with arrow), ... On the other hand, leuco- 24 20 13 S10 o cn Metasedimentory Whiteschists ( Schreyer. ... along shear zones within granitic gneisses, are chemically very similar to the pyrope quartzite rocks (for more details see Schertl and Schreyer, 1999).
|Title||:||Ultrahigh-pressure Metamorphism and Geodynamics in Collision-type Orogenic Belts|
|Author||:||Wallace Gary Ernst, J. G. Liou|
|Publisher||:||Geological Society of America - 2000-01-01|