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

The term used for the rock hydrothermal deposits that occur in veins of exceptionally small size, but in good number is …

Gash-veins are generally found in _________

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

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

The definition of ore is dependent on __________

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

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