summarize in 2 sentences

Formation of Metamorphic Rocks

3.4 Metamorphic Rocks

◆ Regional metamorphism results in
large-scale deformation and high-grade
metamorphism.

Directed pressures and high temperatures
occur during mountain building.

Produces the greatest volume of metamorphic
rock

1 answer

Regional metamorphism, which occurs during mountain building, results in large-scale deformation and high-grade metamorphism due to directed pressures and high temperatures. This type of metamorphism produces the greatest volume of metamorphic rock.