Question

when does a mineral deposit or reserve turn into a mine

Answer 1

The mineral deposits or reserves turn into a mine when it is found after geo technical investigation that the deposits are economically viable for mining.

However, the scenario is different for radioactive materials, gold or some precious minerals.

Mining is done too for them even if there is a negative return on investment considering the strategic value.

Answer 2

The concentration of mineral in the ore, the ease extraction and closeness to the market play an important role in affecting the economical viability of a reserve .to meet the demand a choice has to be made between a number of possible options. when this is done a mineral deposit or reserve turns into a mine.

Hope i helped you.