TERMIUM Plus®

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RADIOACTIVITY ROCKS [1 record]

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Record 1 2002-06-12

English

Subject field(s)
  • Geophysics
CONT

The gamma-ray tool measures natural radioactivity of rocks in a similar way to a geiger counter. The sources of radiation are almost entirely from isotopes of thorium, uranium, and potassium. Although the radioactivity of most rocks in fairly low, it is sufficient to make a clear distinction between sandstones (low radioactivity) and shales (higher radioactivity) ...

French

Domaine(s)
  • Géophysique
CONT

La radioactivité des roches dépend essentiellement du contenu en uranium, thorium et de leurs produits tel que le radium, le polonium, le radon, le bismuth, l'actinium, etc.

Spanish

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