asked 98.3k views
4 votes
Which is older-rock layer a (an intrusion) or the pieces of rock contained within it?

asked
User Luddet
by
7.5k points

1 Answer

3 votes
Beneath the surface, magma may push into bodies of rock. There, the magma cools and hardens into a mass of igneous rock called an intrusion. An intrusion is always younger than the rock layers around and beneath it.
answered
User Comamitc
by
8.2k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.