sub-level-caving, where levels of the ore are blasted by explosives; and. block caving, where large areas of the ore body are blasted and then extracted with the assistance of gravity.
it is the process of excavation of an ore body via detonation and leaving an area called a stope. this process is only utilised when the structuralGet Price
the extraction of ore from underground or surface mines is but one stage in a complicated and time-consuming process of producing minerals. a mine is bornGet Price