World's Biggest Open-Pit Mines Mining News

World's biggest open-pit mines

Whether it's raising islands, splitting mountains or extracting resources; people are constantly changing the face of the planet. Miners have made some of the largest holes in an effort to move ore to mills.

Mir Diamond Mine

Mir Diamond Mine Owner: Alrosa Type of Mine: Diamond Location: Mirny, Russia Built: 1957 Currently the second largest man-made pit in the world.  This diamond mine, located in Mirny, Russia, is so massive that it […]

Diavik Diamond Mine

Diavik Diamond Mine Owner: Rio Tinto (60%) & Harry Winston Diamond Corporation (40%) Type of Mine: Diamond Location: Northwest Territories, Canada Built: 2003 Though not as large as its Russian counterpart the Diavik diamond mind […]

Bingham Canyon Mine

Bingham Canyon Mine Owner: Rio Tinto Type of Mine: Copper Location: Utah, United States of America Built: 1904 Visible from outer space and also known as the Kennecott Copper mine, the Bingham Canyon Mine is […]

The Kalgoorlie Super Pit

The Kalgoorlie Super Pit Owner: Kalgoorlie Consolidated Gold Mines Type of Mine: Gold Location: Kalgoorlie, Australia Built: 1989 As the largest open-pit gold mine, the Faimiston Open Pit, commonly called the Super Pit, cuts an […]

Hull-Rust-Mahoning Mine

Hull-Rust-Mahoning Mine Owner: Hibbing Taconite Type of Mine: Iron Location: Minnesota, United States Built: 1893 At 8kms long, 3.2 kms wide and 180 meters deep the Mahoning mine began as an underground mine but with […]


Toquepala Owner: Southern Copper Corporation Type of Mine: Copper Location: Tacna, Peru Built: 1960 The Andes are home to some of the largest mines in the world.  Toquepala is roughly 700 meters deep and runs, […]

Ekati Diamond Mine

Ekati Diamond Mine Owner: BHP Billiton Type of Mine: Diamond Location: Northwest Territories, Canada Built: 1998 Located 300 kms away from Yellowknife, the Ekati diamond mine led to diamond's version of the gold rush.  Since […]

Kimberley Mine

Kimberley Mine Owner: Da Beers Type of Mine: Diamond Location: Kimberley, South Africa Built: 1871 The name that this mine usually goes by, The Big Hole, leaves little to the imagination.  Cut 240 meters deep, […]

Grasberg Mine

Grasberg Mine Owner: Freeport-McMoRan Type of Mine: Copper, Gold Location: Papua, Indonesia Built: 1990 The largest gold mine and third largest copper mine in the world the the Grasberg mine has a turbulent past involving […]


Chuquicamata Owner: CODELCO Type of Mine: Copper, Gold Location: Chile Built: 1882 When speaking about volume there is none larger than the Chuquicamata (Chuqui) mine in northern Chile.  Under state ownership since the Chilean nationalization […]


Escondida Owner: Minera Escondida Type of Mine: Copper Location: Atacama Desert, Chile Built: 1990 Escondida produces the most copper annually than any other site in the world.  In 2007 Minera Escondida produced 1.5 million tons […]

Berkeley Pit

Berkeley Pit Owner: Atlantic Richfield Company Type of Mine: Copper, Silver, Gold Location: Montana, United States Built: 1955 The Berkely Pit closed 30 years ago in 1982.  Since then, without water pumps running to keep […]

Yuba Goldfields

Yuba Goldfields Owner: Western Aggregate Type of Mine: Aggregate Location: Califronia, United States. Built: 1848 The Yuba Goldfields, located along the Yuba River in California, were formed during the Californian Gold rush (1848-55).  During its […]

Udachnaya Pipe

Udachnaya Pipe Owner: Alrosa Type of Mine: Diamond Location: Sakha Republic, Russia Built: 1988 At 600 meters deep Udachnaya plunges lower than, though not nearly as wide as, Mir.  Discovered just days after Mir, the […]

Olympic Dam

Olympic Dam Owner: BHP Billiton Type of Mine: Copper, Gold, Silver, Uranium Location: South Australia Built: 1988 While technically an underground mine, BHP Billiton has scheduled expansions to make this the largest open pit mine […]