The type of concordant body whose thickness is much smaller than its length and width is __________

High grade schist is formed under what conditions?

Pick the rock which is not volcanic in terms of mode of occurrence.

Low grade schist is formed under what conditions?

Metamorphism can also happen about 850° C.

Which of these rocks is the latest rock?</p>

Quartzite is formed from which rock?

The grain size involving use of microscope is __________