3. Why are intrusive igneous rocks usually coarse grained.
Answers
Answered by
1
Answer:
Intrusive igneous rocks tend to be coarse - grained (phaneritic) because they take longer to cool; therefore; the crystals have time to grow larger Why are intrusive igneous (plutonic) rocks usually coarse - grained (phaneritic) Extrusive igneous (volcanic) rock tend to be fine- grained (aphanitic) because they cool very quickly.
Answered by
2
Answer:
hope it helps you.... .
Attachments:
Similar questions