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How deep is Kola Borehole, world’s deepest man-made hole?
This endeavour, known as the Kola Superdeep Borehole, proved more successful, penetrating deeper into the Earth and yielding samples that continue to astound scientists. The Kola Superdeep ...
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World's deepest hole sealed up for concerning reason
The Kola Superdeep Borehole is the deepest manmade hole, and deepest artificial point, on Earth, measuring at 40,230ft feet. To put it into perspective, that's 12.2km, or 7.58 miles - that's the ...
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China completes 'Shenditake 1', the world's second deepest borehole at 10,910 meters
Shenditake 1 now stands as the world's second deepest drilling well. n-tv reports that the deepest borehole remains the Kola Superdeep Borehole, located on the Kola Peninsula near Russia's border ...