Accurate!!
Compared to low-grade metamorphic rocks, high-grade rocks _____. - ANSWERSare produced at greater
temperatures and pressures
Metamorphism may be induced by _____. - ANSWERScontact with a hot pluton
contact with hot groundwater
heat and pressure associated with deep burial
! All of the above are correct.
Two common metamorphic rocks that typically lack foliation are _____. - ANSWERSquartzite and marble
Which of the following can cause metamorphism? - ANSWERSincreases in temperature
increases in pressure
chemical action of fluids
! all of the above
Formation of metamorphic rock NEVER involves which of the following? - ANSWERSformation of new
minerals from old
increase in density
! complete melting of the material from which it formed
change in orientation of mineral from which it formed
change in shape of mineral grains