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Unformatted text preview: Triaxial: different amounts of load in different directions 6. What do we get from sonic log? Porosity if filled with liquid 7. What are gamma rays? Electromagnetic waves of short wave length (and no mass) 8. What are positrons? Particles of mass equal to an electron, +e charge. Emitted when a proton decays to a neutron. 9. What does the Geol. Spectrometry tool measure? Mineralogy from the energy of gamma rays released 10. What is the main use of neutron log? Porosity...
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- Spring '09