Question

why factories are located near mines?

Answer 1

For any industry the basic and most common raw material required is coal.

Coal is used for powering the industry and to carry out all other activities associated with it.

And in coal sector the cost of transportation is much higher than the coal price itself,so all industrialist prefer to cut down this cost and establish industry around coal mines.

The most common example is powerplant.they build there plant just near coal mines area. Eg.