A magmatic intrusion cutting through sedimentary layers:
A) must be younger than these sedimentary layers.
B) must be older than these sedimentary layers.
C) is of exactly the same age as these sedimentary layers.
D) cannot be used for any relative age measurements.

Question

Quizplus · Accepted Answer

A magmatic intrusion represents a younger geological event that has cut through existing sedimentary layers. Therefore, it must be younger than these sedimentary layers.

A Magmatic Intrusion Cutting Through Sedimentary Layers