The grade of coal with very low calorific value is ________

Majority of batholiths show which composition?

The volcanic sheets may vertical.

Which kind of metamorphism is also called dislocation metamorphism?

Breccia is formed by which process?

Which one of the following is not a metamorphic rock?</p>

Gneiss formed from sedimentary rock is called ______

The igneous rock with glassy texture is _______