With reference to the Felsic and Mafic rocks, consider the following statements:
1. While the Felsic rocks are rich in silicon, Mafic rocks are rich in Magnesium
2. Quartz is an example of Felsic Rock, while Granite is an example of Mafic Rock
3. Mafic Rocks are produced by Volcanic Eruption
Which among the above statements is / are correct?

Answer: [C] Only 1 & 3

The first statement is correct. Felsic rocks are rich in silicon, oxygen, aluminium, sodium, and potassium, while the Mafic rocks are rich in magnesium and iron. If the rock is highly dominated by Magnesium and Iron, it is called Ultramafic. Second statement is not correct because Granite is a Felsic rock. Third statement is correct.

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