Shaft mining is a method of excavation that accesses an ore deposit from the top down. The term "shaft" refers to the vertical underground tunnels dug from the surface. Subshafts are tunnels dug from ...

By: Murray Macnab - Group Executive Technical Director at UMS Group Almost everything humans consume is grown or mined. As far back as 40,000 years ago, people excavated the earth for its minerals, ...

Murray Macnab, group executive technical director at United Mining Services (UMS) says mining is here to stay and underground mining is the ...