The principle of ____________ explains the occurrence of older rock within an igneous body.
A) baked contacts
B) cross-cutting relationships
C) original horizontality
D) inclusions

Question

Quizplus · Accepted Answer

The principle of inclusions states that inclusions (fragments of one rock unit within another) are older than the host rock. Therefore, if older rock is found within an igneous body, it must have been included in the magma before it cooled and solidified.

The Principle of ____________ Explains the Occurrence of Older Rock