What are the advantages and disadvantages of underground,
So, in these cases underground mining is more cost effective. The downside is that human health and safety are at greater risk from mine cave-ins, flooding from groundwater or sea water, methane explosions in coal mines, or failure of air ventilation equipment.Shaft Mining by Daniel Wittmer on Prezi,Shaft mining is the most intense form of underground mining. Surface mining only goes down to about 180 feet. Underground mining is selected when the rock or mineral is to far to reach using surface mining. The actual mine is underground so the shaft mine has a perpendicular man shaft used for transportation of materials, equipment, and workers.Shaft mining pros and cons | Mobile Crushers all over the,,Shaft mining pros and cons. Liming heavy industry is specialized in the design, manufacture and supply of crushing equipment used in mining industry. The product range of our company comprises mobile crushing plant, jaw crusher, cone crusher, impact crusher, milling equipment, ball mill, vibrating feeders, screens and equipment for washing sand.