A cave in the Pyrenees shows that prehistoric people repeatedly used high-mountain areas for copper mining over 7,000 years ...
The hike to Cave 338 is tough. You start at the Monastery of Núria in the eastern Pyrenees, which is already pretty high.
Using muon tomography, Ideon remotely mapped the full cave back at New Afton Mine to 25 m or less spatial resolution at a depth of approximately 800 m, using no additional drilling to image 830 ...
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