Feb 10, 2011 0183 32 A tour of an underground gold mine The veins are vertical in dip so the miners stope up and drop the ore down the the drift below This type of mining is unusual with todays mechanized mining ....

New Used Mining Equipment MiningSurplus features new and used mining equipment for sale from mining operations across Canada, the United States, South America, and Australia MiningSurplus profiles surface, mill plant process and underground mining equipment from copper, lead, zinc, gold and coal mining operations...

Underground mining is carried out when the rocks, minerals, or precious stones are located at a distance far beneath the ground to be extracted with surface mining To facilitate the minerals to be taken out of the mine, the miners construct underground rooms to work in...