Chunks of rocks that break off from country rocks and fall into magmas are called
A)wall rocks.
B)xenoliths.
C)country rocks.
D)foreign rocks.

Question

Quizplus · Accepted Answer

Xenoliths are fragments of rock that are enveloped by magma while it solidifies, thus they are not part of the original magma. These chunks originate from the country rock, which is the pre-existing rock into which the magma intrudes.

Chunks of Rocks That Break Off from Country Rocks and Fall