Gash-veins are generally found in _________

What is the mineral which contains a metallic element which can be economically exploited called?

Magmatic ore deposits do not commonly occur in forms of injective.

Deposits that were formed subsequent to the formation of the host rocks are called ________

The non-metallic minerals associated with ore minerals are called _________

When gravity is the agent of placing of deposit, the deposit is called _________

Type of veins which are bodies of tubular shape in pre-existing fissures?

How many types of rocks are there on the basis of time of formation?