The igneous rock with glassy texture is _______

The two most common mineral found in granites are _______

The bodies which show both concordant and discordant relations are __________

Which of the following does not provide evidence of shallow water environment?

The major use of limestone is ________

What is the usual colour of gabbro?

The intrusive bodies in which injection of lava occurs without any influence of dip and strike is __________

Pegmatites are formed due to displacement reactions.