Rocks that have been recrystallized under stress, or changing conditions of heat and pressure are termed ____________.
A) metamorphic
B) rudimentary
C) igneous
D) sedimentary

Question

Quizplus · Accepted Answer

Metamorphic rocks are formed from the transformation of existing rock types, in a process involving heat, pressure, or the presence of chemically active fluids. This process, known as metamorphism, alters the mineral composition and structure of the rock without melting it.

Rocks That Have Been Recrystallized Under Stress, or Changing Conditions