Metamorphic Rock Identification
Metamorphic rocks are formed when existing rocks undergo transformation due to heat, pressure, or chemical reactions. Understanding the origin of different rock types helps in their classification.
Analyzing the Rock Options
Let's examine each option provided:
- Granite: This is an igneous rock, formed from the slow cooling of molten magma beneath the Earth's surface.
- Quartzite: This rock is formed when sandstone (a sedimentary rock) is subjected to heat and pressure, causing recrystallization. Therefore, Quartzite is a metamorphic rock.
- Sandstone: This is a sedimentary rock, composed mainly of sand-sized mineral particles or rock fragments.
- Shale: This is also a sedimentary rock, characterized by its fine grain size, primarily composed of clay minerals.
Conclusion on Rock Types
The table below summarizes the classification:
| Rock Name | Rock Type |
| Granite | Igneous |
| Quartzite | Metamorphic |
| Sandstone | Sedimentary |
| Shale | Sedimentary |
Based on this classification, Quartzite is the correct answer as it is the only metamorphic rock among the choices.
Important Questions from Geomorphology
Which one of the following is not an igneous rock?
Which of the following statements is/are correct?
1. Hypocenter is the point on the surface of the Earth, nearest to the focus.
2. Velocity of earthquake waves is higher in denser materials.
3. P waves move faster and are the first to arrive at the surface of the Earth.
Select the correct answer using the code given below:
Which one of the following is the lowermost/innermost intrusive igneous rock?
The formation of ‘tors’ on small rocky hills is associated with which among the following?
Which one of the following statements about metamorphic rocks is not correct?
