Previous | Next
Full View
Contents of 4.7 What makes igneous rock compositions so diverse?

4.7 What makes igneous rock compositions so diverse?
- Magma assimilation: as magma rises through surrounding rock it melts; parts are incorporated into the melt.
- Magma mixing: when a new "pulse" of magma injects into an intrusive body it may mix, forming a magma of different composition than either.