What is a xenolith?
A) a sheet-like intrusion that lies parallel to surrounding layers of sedimentary rock
B) a cooled magma chamber that has been eroded
C) a fragment of wall rock that broke off and was surrounded by magma
D) a very coarse-grained igneous rock

Question

Quizplus · Accepted Answer

A xenolith is a fragment of wall rock that broke off and was surrounded by magma. It often appears as an inclusion in igneous rock.

What Is a Xenolith