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The original was posted on /r/science by /u/chrisdh79 on 2024-08-09 11:06:48+00:00.

Original Title: Geologists drill 1.2 km into rare rocks from Earth’s mantle | Geologists have drilled deeper than ever into material from the Earth’s mantle – more than three quarters of a mile. The sample gives a glimpse into the geology and even life in a deep world normally beyond our reach.