Which among the following statements about the Igneous rocks is / are correct?
1. They generally don’t have fossils
2. They generally have silicate minerals
3. They are generally rich in metallic minerals
4. Volcanic activity generally produces Igneous rocks
Choose the correct option from the codes given below:

Answer: [D] 1, 2, 3 & 4

All of the above are basic features of Igneous rocks.

This question is a part of GKToday's Integrated IAS General Studies Module