The definition of ore is dependent on __________

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

Which of the following is not an essential condition for hydrothermal deposits?

The deposits occurring close to the roofs of magmatic masses _________

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?

Gash-veins are generally found in _________

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