According to the Perceived Service Quality model (Figure 1), the quality of a service, as perceived by the customer, is the result of a comparison between the expectations of the customer and his or her real-life experiences.
Resorption of garnet I may have occurred either as a result of the prograde univariant reaction Grt + Chl + Ms = St + Bt + Qtz + H2O, or during decompression, by the net transfer reaction Grt + Ms + H2O = St + Bt + Qtz, before staurolite had become unstable.
Soâ¦how do beryl and chromium and vanadium get together to form emerald? How emeralds are formed. Plate tectonics shifts rock formations all over the place. Well, thatâs too much of an oversimplification, but it is the reason why ocean crust sometimes ends up scrunched together with continental rock. Part of the detailed explanation of plate tectonics.