Open-pit mining, open-cut mining or opencast mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. The result of using this technique is a huge visible scar on the earth surface.
The Bingham Canyon Mine , more commonly known as Kennecott Copper Mine among locals, [3] is an open-pit mining operation extracting a large porphyry copper deposit southwest of Salt Lake City , Utah , in the Oquirrh Mountains. The mine is the largest man-made excavation in the world [4] and is considered to have produced more copper than any other mine in history — more than 19 million tonnes.
We use them to give you the best experience. If you continue using our website, we'll assume that you are happy to receive all cookies on this website.
Here is my list of the Top 15 largest and biggest mines in the world: Join us as we explore the world of the largest man made canyons yet.
People have become significant earth movers, outpacing all sources of natural erosion. More and more of our footprint can be seen from space in many forms, including cities, reservoirs, agriculture and deforestation.
Open-pit mining is one of the most commonly used techniques to extract minerals from the Earth. Along with being highly cost effective and efficient, this digging method results in massive holes that are both impressive and spectacular for onlookers.