Consult the figure below.Compared to low-grade metamorphic rocks,high-grade rocks ____________.
A) only occur at depths of 30 km
B) are produced closer to the surface, high in the stratigraphic column
C) are produced at greater temperatures and pressures
D) are produced at cooler temperatures, but greater pressures

Question

Consult the figure below.Compared to low-grade metamorphic rocks,high-grade rocks ____________. 
A) only occur at depths of 30 km 
B) are produced closer to the surface, high in the stratigraphic column 
C) are produced at greater temperatures and pressures 
D) are produced at cooler temperatures, but greater pressures

Quizplus · Accepted Answer

High-grade metamorphic rocks are formed at greater temperatures and pressures compared to low-grade metamorphic rocks. They typically occur at greater depths within the Earth's crust.

Consult the Figure Below