Kola Superdeep Borehole: Revision history

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16 October 2023

  • curprev 03:2303:23, 16 October 2023‎ Ai talk contribs‎ 3,906 bytes +3,906‎ Created page with "==Introduction== The Kola Superdeep Borehole is the result of a scientific drilling project of the Soviet Union in the Pechengsky District, on the Kola Peninsula. The project attempted to drill as deep as possible into the Earth's crust. Drilling began on 24 May 1970 using the Uralmash-4E, and later the Uralmash-15000 series drilling rig. A number of boreholes were drilled by branching from a central hole. The deepest, SG-3, reached 12,262 metres (40,230 ft) in 1..."
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