The occurrence of contact metamorphism would be direct evidence for
A)cementation of sedimentary rock.
B)the local intrusion of magma.
C)regional plate collision.
D)lithification of clastics.
E)rapid cooling of lave above ground.

Question

Quizplus · Accepted Answer

Contact metamorphism occurs when magma intrudes into existing rocks, causing them to be metamorphosed by the heat and pressure. Thus, the occurrence of contact metamorphism would be direct evidence for the local intrusion of magma.

The Occurrence of Contact Metamorphism Would Be Direct Evidence for