Consider the following rock types:
1. Quartzite
2. Marble
3. Mica Which among the above is / are foliated rocks?

Answer: [D] Only 3

The metamorphic rocks may be classified into two Categories  viz. foliated and non-foliated. The foliated rock is characterized by parallel arrangement of  minerals such as mica. In the non-foliated metamorphic rocks, the minerals grains are equidimensional such as Quartzite.

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