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• Underground helium travels to the Earth’s surface via aquifers, new study says

  • Uploaded by: Argonne National Laboratory
  • License: CC BY-NC-SA 2.0
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  • Date taken: 2012-11-16 09:17:05
  • Date uploaded: 2014-12-05
  • Tags: geology, krypton81, krypton81dating, hydrology, aquifers, water, helium, physics
  • Visibility: public