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The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]
The mine is the largest human-made excavation, and deepest open-pit mine in the world, [4] [5] which is considered to have produced more copper than any other mine in history – more than 19,000,000 short tons (17,000,000 long tons; 17,000,000 t). [5] The mine is owned by Rio Tinto Group, a British-Australian multinational corporation.
The quarry is one of the biggest man-made holes in Europe at approximately 466ft. (142m) deep, and with a diameter of 394 ft. (120m). [1] Since its closure in 1971, it has filled with water and is currently inaccessible to the public.
As the race in space was winding down, soviet scientists turned inwards. You'd never guess that this is the site of one of their great achievements. This hard-to-find rusty cap in the ruins of a ...
Currently, the world’s deepest drilled hole is the Kola Superdeep Borehole in Russia near Norway. ... Shop the latest savings at the biggest sale event of the year. See all deals. In Other News.
The town of Bingham, Utah, was eventually swallowed by the expanding man-made chasm, which would come to be known as "The Richest Hole on Earth" and the largest man-made excavation in the world. [4] The mine was active when Smithson submitted his reclamation design and it remains so today. [5] Bingham Canyon Mine as it appeared in 2005.
China is drilling a new 10,000-metre deep hole into the Earth ... China is already the world’s fourth largest producer of gas and its export of gas now exceeds that of oil. ... holds the title ...
The Big Hole has a surface of 17 hectares (42 acres) and is 463 metres (1,519 ft) wide. It was excavated to a depth of 240 metres (790 ft), but then partially infilled with debris reducing its depth to about 215 metres (705 ft). Since then it has accumulated about 40 metres (130 ft) of water, leaving 175 metres (574 ft) of the hole visible.