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TOP-10 deepest quarries in the world


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To understand where the deepest open mines are located, you will have to travel around the world. Most of the deepest open pit mines are copper, gold and diamond mines Introducing the TOP 10 deepest open pit mines in the world!

Aitik, Sweden

  • Depth: 430 m

The Aitik quarry, located about 60 km north of the Arctic Circle in northern Sweden, is currently 430 m deep. Aitik is the largest copper mine in Sweden and also produces silver and gold. It was discovered in 1930, and mining did not begin in 1968 with a modest production of 2 million tons of copper ore per year.

Nanfen, China

  • Depth: 500 m

An open pit iron mine owned and operated by Benxi Iron and Steel Corporation (Benxi Steel). The plan to start underground mining at the mine started in 2011 as maintaining the stability of the mine slopes became difficult due to the gradual increase in pit depth.

Betze Post, USA

  • Depth: more than 500 m

Part of the Barrick Gold Goldstrike facility located in Carlin Trend, Nevada, USA. The eighth deepest open pit mine in the world. The gold mine is about 2.2 km long and 1.5 km wide. Large electric excavators are used for open pit mining.

Grasberg, Indonesia

  • Depth: 550 m

Grasberg is the largest gold mine in the world, where copper and silver are also mined. The Grasberg open pit began in 1990.

Fimiston, Australia

  • Depth: about 600 m

The Fimiston open pit, also known as Super Pit, is located on the southeastern outskirts of Kalgoorlie. This mine produces gold.

Muruntau, Uzbekistan

  • Depth: 600 m

Physically one of the largest open-pit gold mines in the world, it is the fifth deepest open pit mine. Muruntau was opened in 1958, mining began in 1967. The mine belongs to the Navoi Mining and Metallurgical Combine. The final pit depth according to the current mine development plan is 650 meters, after which the mine goes underground. It is known for its production capacity of about 2 million ounces of gold per year with an average ore grade of 2.4 g / t.

Udachny, Russia

  • Depth: 630 m

Located in Siberia. Diamonds have been mined there since the second half of the last century. The mine is owned by the Russian state-owned company ALROSA. Until 2011, it mined ten million carats of diamonds per year.

Escondida, Chile

  • Depth: 525 m

The Escondida Copper Mine is located in the Atacama Desert. Copper mining in Escondida consists of two quarries: Escondida and Escondida Norte. The world's largest copper mine: about 5% of the world's amount of this metal is mined here annually. Escondida's copper reserves are estimated at more than 32.6 million tons.

Chuquicamata, Chile

  • Depth: 850 m

Also known as the Chuki open pit. The Chuquicamata copper mine has been in operation for over a century and is owned and operated by the Chilean state-owned enterprise Codelco. A feasibility study is currently underway for the transition to underground mining at the Chukikamata field. The ore reserves under the existing open pit are estimated at 1.7 billion tonnes with a copper grade of 0.7%. The cost of the underground development project is estimated at more than $ 4 billion.

Bingham Canyon, USA

  • Depth: 1200 m

Located southwest of Salt Lake City, Utah, it is considered the deepest quarry in the world. Has been working since 1906. Also known as the Kennecott Copper Mine. The recoverable reserves at the quarry are constantly increasing; gold, silver and molybdenum are also mined there.

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